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Time Series Analysis (Georgia Tech) - 5.1.2 - Spectral Analysis - Introduction
 
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Time Series Analysis PLAYLIST: https://tinyurl.com/TimeSeriesAnalysis-GeorgiaTech Unit 5: Other Time Series Methods Part 1: Univariate Time Series Modelling Lesson: 2 - Spectral Analysis - Introduction Notes, Code, Data: https://tinyurl.com/Time-Series-Analysis-NotesData
Views: 499 Bob Trenwith
Lecture - 34 Introduction to Spectral Analysis
 
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Lecture Series on Probability and Random Variables by Prof. M.Chakraborty, Dept. of Electronics and Electrical Engineering,I.I.T.,Kharagpur.For more Courses visit http://nptel.iitm.ac.in
Views: 23898 nptelhrd
Time Series Analysis (Georgia Tech) - 5.1.3 - Spectral Analysis - Spectral Density and Covariance Fn
 
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Time Series Analysis PLAYLIST: https://tinyurl.com/TimeSeriesAnalysis-GeorgiaTech Unit 5: Other Time Series Methods Part 1: Univariate Time Series Modelling Lesson: 3 - Spectral Analysis - Spectral Density and Covariance Functions Notes, Code, Data: https://tinyurl.com/Time-Series-Analysis-NotesData
Views: 161 Bob Trenwith
DSP Topic 7: Introduction to Spectral Analysis
 
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Introduction to the relationship between the Continuous-Time Fourier Transform (CTFT), Discrete-Time Fourier Transform (DTFT), Discrete Fourier Transform (DFT), and Fast-Fourier Transform. This series of videos is designed to help you understand, interpret and be able to use the FFT to conduct practical spectral analysis
Views: 1230 Mateo Aboy
Instrumental Analysis: week 7 -Lecture 1  Getting a spectrum 12 25
 
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Instrumental Analysis course for Dr/ VICKI COLVINE Course content : Error, calibration, QA/QC Spectroscopy: Atomic Mass Spectrometry Chromatography Spectroscopy: Infrared Electrochemical Sensors - English sub. http://www.mediafire.com/download/nnkvaoyqc9ymtdu/week_7_english_sub..rar - week 7 resourses http://www.mediafire.com/download/wf6w3ugkpez1zwz/week7_reaourses.rar
Views: 775 Ahmed Sadek
Fundamental of Electrical Engineering: W7L1 Discrete Time Spectral Analysis
 
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This is the fundamental of Electrical Engineering Course offered on Coursera, Rice university and professor Don H. Johnson https://class.coursera.org/eefun-002 For detail such as course notes. assignments, and degree you must register at Coursera,
Views: 169 Alan Saberi
IR Infrared Spectroscopy Review - 15 Practice Problems - Signal, Shape, Intensity, Functional Groups
 
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This organic chemistry video tutorial provides a review of IR Infrared Spectroscopy and how you can use it to distinguish one molecule from another according to their functional groups. This video contains plenty of lecture notes as well as a few multiple choice practice problems that will help you for your next organic chemistry test or exam. Here's the link for the complete video: https://vimeo.com/ondemand/irspectroscopyreview General Chemistry Video Playlist: https://www.youtube.com/watch?v=n5vjCqnVb6s&index=1&t=25s&list=PL0o_zxa4K1BU3gxU8RwqkEET2ilZ80Znj Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/ Here is a list of topics covered in this video: 1. Introduction to IR Spectroscopy 2. Absorption of IR energy - Molecular Vibrations - Stretching, Compression, & Bending 3. Concept of Transmittance and Absorbance 4. Relationship Between Wavelength, Wavenumber cm^-1, Frequency, and Energy 5. Signal Characteristics Shape: Broad vs Sharp 6. Signal Intensity: Weak, Medium, or Strong 7. The effect of hydrogen bonding and bond polarity on signal shape and intensity 8. Diagnostic / Functional Group Region vs Fingerprint Region 9. The Relationship Between The Mass of the Atom and The Wavenumber 10. Relationship Between Bond Strength and Wavenumber 11. The Effect of Conjugation on IR Frequency Absorption 12. IR Spectrum For Alkanes, Alkenes, & Alkynes 13. IR Spectrum of an Internal Alkyne vs a Terminal Alkyne 14. IR Active vs IR Inactive Compounds - Symmetrical & Assymetrical Bonds 15. Electric Field, Force, & Dipole Moments - IR Bond Stretch vs Compression 16. IR Spectrum of a Carboxylic Acid vs an Alcohol - OH Stretch 17. IR Spectrum of Aldehydes & Ketones: C=O Carbonyl Stretch @ 1700 cm^-1 18. IR Graph of Esters and Ethers: C-O Stretch @ 1000 to 1300. Sp2 vs Sp3 Hybridized Carbon 19. IR Graph of Primary and Secondary Amines: Single vs Double Peak at 3300 & 3400 cm^-1 Symmetric and Assymetric Stretching of NH2 Hydrogen Atoms. 20. IR Spectrum of Amides & Nitriles 21. Carbonyl C=O Stretch - Resonance Electron Donating Groups vs Inductive Electron Withdrawing Groups 22. IR Spectrum of Aromatic Benzene Ring Derivatives C=C & =CH Stretch
NMR Spectroscopy [nuclear magnetic resonance] ; Basic principle & Interpretation of organic spectra
 
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https://youtu.be/7PhgLmQ2Y0w https://youtu.be/OW_Y9w9yNmY
Views: 119419 Priyanka Jain
8. Time Series Analysis I
 
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MIT 18.S096 Topics in Mathematics with Applications in Finance, Fall 2013 View the complete course: http://ocw.mit.edu/18-S096F13 Instructor: Peter Kempthorne This is the first of three lectures introducing the topic of time series analysis, describing stochastic processes by applying regression and stationarity models. License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
Views: 183598 MIT OpenCourseWare
Response Spectrum (Seismic) Analysis Basics, Part-1
 
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This video explains the introduction to response spectrum analysis, damping effect, response spectrum generation, different response spectrum types, methods of response spectrum, missing mass effect and analysis process flow. Note: Refer updated formulas below for spectrum unit conversion page from videos. Sdisp =Svel /(2πf) =Sacc /(2πf)2 Svel=Sdisp (2πf) =Sacc /(2πf) Sacc =Sdisp (2πf)2 =Svel (2πf) ************************************************* Morning Sun by Nicolai Heidlas Music @nicolai-heidlas Creative Commons — Attribution 3.0 Unported— CC BY 3.0 creativecommons.org/licenses/b... a href="https://www.hooksounds.com", Music by HookSounds ********************************************* Please Subscribe to our Channel: #GraspEngineering Similar Videos: 1. Introduction to practical Finite element analysis https://youtu.be/Rp4PRLqKKXQ 2. Nozzle Shell Junction FEA Analysis USING ANSYS https://www.youtube.com/watch?v=jm9YitmmnQ0 3. Types of loads in structural analysis Using ANSYS https://www.youtube.com/watch?v=FaMZZDTbp8E&t=0s&list=PL3YYYtsmbXgdRoY27y3ZEjF5qE7YYeX_I&index=23 4. Structural FEA Analysis of Topside Module using ASNYS Workbench https://www.youtube.com/watch?v=jDx2facaLAM 5. Buckling Analysis of Pipe using ASNYS https://www.youtube.com/edit?o=U&video_id=qilRVZ9Qjlc 6. Submodeling Analysis using ASNYS Workbench https://www.youtube.com/edit?o=U&video_id=ctheCGB7Urs 7. Midsurface, Surface and weld creation using ANSYS Design Modular for Base Frame https://www.youtube.com/watch?v=hzdRHs3VWHI 8. Vertical Pressure Vessel Modeling Using ANSYS Design Modular https://www.youtube.com/watch?v=WXKUCky9CtA&t=2s 9. 1D beam topside module Structure Modeling using ANSYS workbench Design Modular https://www.youtube.com/watch?v=2gNafn8B3EQ&t=1458s 10. FEA Static Analysis of Pressurized Stop valve using ANSYS Workbench https://www.youtube.com/watch?v=naaFwGbSQoY 11. Bolted Flange Gasket FEA Analysis Usign ANSYS Workbench https://www.youtube.com/watch?v=vk0fp5k5MhM 12. Hydrostatic Pressure application in ANSYS https://www.youtube.com/watch?v=VJ2uXYLNAUI 13. Vertical Pressure Vessel Hydrostatic test analysis as per ASME Guidelines using ANSYS Workbench https://www.youtube.com/watch?v=8nrT9ok_LoA 14. Lifting Analysis of Horizontal pressure vessel using two lifting lugs in ANSYS, Part-1 https://www.youtube.com/watch?v=MkbU2BhaCLQ 15. Lifting Analysis of Horizontal pressure vessel using four lifting lugs in ANSYS, Part-2 https://www.youtube.com/watch?v=t6Hy36WNQxI 16. Introduction to Rotordynamic Analysis Using ANSYS, PART-1 https://www.youtube.com/watch?v=OlM7OI-A_Ng 17. Rotordynamic Modal Analysis of Impeller in ANSYS PART-https://www.youtube.com/watch?v=XHDY6Z92GE4 18. Ellipsoid Head with Eccentric Nozzle & Reinforcing Pad Modelling Using Ansys Design Modular https://www.youtube.com/watch?v=_s9oB6hItp8 19. Hoop & Radial Stress correlation of pressure vessel with FEA using ANSYS https://www.youtube.com/watch?v=yF8QsZ06Yps 20. Forklifting FEA Analysis of Base Frame using ANSYS https://www.youtube.com/watch?v=m_G5H0Kl_Tc
Views: 3816 Grasp Engineering
17.11: Sound Visualization: Frequency Analysis with FFT - p5.js Sound Tutorial
 
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In this "p5.js Sound Tutorial" video, I use the p5.FFT object to analyze the frequencies (spectrum array) of a sound file. I create a "graphic equalizer" like visualization. Support this channel on Patreon: https://patreon.com/codingtrain Send me your questions and coding challenges! Contact: https://twitter.com/shiffman p5.js sound library reference: https://p5js.org/reference/#/libraries/p5.sound p5.FFT object reference: https://p5js.org/reference/#/p5.FFT Kristian Pedersen's this.dot song: https://soundcloud.com/kristianpedersen/this-dot-feat-daniel-shiffman Source Code for the Video Lessons: https://github.com/CodingTrain/Rainbow-Code p5.js: https://p5js.org/ Processing: https://processing.org For More Sound in p5.js videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6aFcVjlDAkkGIixw70s7jpW Help us caption & translate this video! http://amara.org/v/YIOn/
Views: 105161 The Coding Train
Mod-01 Lec-40 X-Ray Photoelectron Spectroscopy(XPS)
 
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Nanostructures and Nanomaterials: Characterization and Properties by Characterization and Properties by Dr. Kantesh Balani & Dr. Anandh Subramaniam,Department of Nanotechnology,IIT Kanpur.For more details on NPTEL visit http://nptel.ac.in.
Views: 32828 nptelhrd
UV Vis spectroscopy explained lecture
 
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UV Visible spectroscopy explained lecture - This lecture explains about the UV visible spectroscopy technique.This explains how colorimetric analysis of samples are done using the transmittance and absorbance of the sample molecule using beer Lambert law. UV vis spectroscopy is used to identify the concentration of the test sample. Here I also explained the beer lambert law and how beer lambert law is derived. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Facebook page- https://www.facebook.com/ShomusBiology/ Twitter - https://twitter.com/shomusbiology SlideShare- www.slideshare.net/shomusbiology Google plus- https://plus.google.com/113648584982732129198 LinkedIn - https://www.linkedin.com/in/suman-bhattacharjee-2a051661 Youtube- https://www.youtube.com/user/TheFunsuman Thank you for watching the video lecture on UV Vis spectroscopy.
Views: 341521 Shomu's Biology
Lec-12 Auto Correlation and Power Spectrum Estimation
 
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Lecture Series on Estimation of Signals and Systems by Prof.S. Mukhopadhyay, Department of Electrical Engineering, IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 54113 nptelhrd
The Power Spectral Density
 
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http://AllSignalProcessing.com for more great signal processing content, including concept/screenshot files, quizzes, MATLAB and data files. Representation of wide sense stationary random processes in the frequency domain - the power spectral density or power spectrum is the DTFT of the autocorrelation sequence for a random process and describes the contribution of each frequency to the overall variance of the process.
Views: 122267 Barry Van Veen
Spectral Analysis with MATLAB
 
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See what's new in the latest release of MATLAB and Simulink: https://goo.gl/3MdQK1 Download a trial: https://goo.gl/PSa78r MathWorks engineers illustrate techniques of visualizing and analyzing signals across various applications. Using MATLAB and Signal Processing Toolbox functions we show how you can easily perform common signal processing tasks such as data analysis, frequency domain analysis, spectral analysis and time-frequency analysis techniques. This webinar is geared towards scientists / engineers who are not experts in signal processing. Webinar highlights include: A practical introduction to frequency domain analysis. How to use spectral analysis techniques to gain insight into data. Ways to easily carry out signal measurement tasks. View example code from this webinar here. About the Presenter Kirthi Devleker is the product marketing manager for Signal Processing Toolbox at MathWorks. He holds a MSEE degree from San Jose State University
Views: 43225 MATLAB
IR spectroscopy principle basics
 
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IR spectroscopy principle basics - This lecture explains about the infrared spectroscopy also known as IR spectroscopy. IR spectroscopy is important to understand the structure of unknown molecules and chemical structures. Infrared Spectroscopy is the analysis of infrared light interacting with a molecule. This can be analyzed in three ways by measuring absorption, emission and reflection. This video lecture will help you to understand the IR spectroscopy mechanism and the use of infrared spectroscopy in organic and inorganic chemistry. Advantages and disadvantages of IR spectroscopy is well explained in this video lecture. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Thank you for watching IR spectroscopy lecture by Suman Bhattacharjee This video is inspired by the work of YouTube video of Knowbee channel. You can watch it here- https://www.youtube.com/watch?v=0S_bt3JI150
Views: 355721 Shomu's Biology
Tuning Fork Physics - Part 1: sound waveform and spectral analysis
 
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http://video-demos.colostate.edu/ Sound measurements, waveform properties, and spectral analysis of a vibrating tuning fork. NOTE - the frequency C523.3 corresponds to the C an octave above middle C, not middle C. More engineering and physics-related video demonstrations can be found here: http://video-demos.colostate.edu/
Views: 30155 DrDaveBilliards
Basics and principle of Raman Spectroscopy | Learn under 5 min | Stokes and Anti-Stokes | AI 09
 
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Analytical Instrumentation - Raman Spectroscopy ---------------------------------------------------------------------------------------------------------- One may have heard about Raman effect quite a lot of times. In this video we are going to discuss the concept of Raman scattering first. But we also need to understand Rayleigh scattering first. Once the phenomenon of Raman scattering is explained, this video will discuss why and how the Raman effect takes place and how Raman scattering is generated. The viewer will also learn about the stokes lines and anti-stokes lines and how Raman scattering is a two photon process. Finally, the use of Raman effect in spectroscopy is discussed. This will help to perform qualitative and quantitative analysis on the sample under test. The Raman scattering takes place due to inelastic collision between photons and electrons. The difference in energy between incident photon and emitted photon generates Raman lines. Depending on the emitted frequency, the lines generated are called as Stokes lines if their frequency is less than incident frequency of photons, if the frequency of emitted photons is greater than incident frequency, it is called as Anti-stokes lines. From the Raman spectra, one can determine the molecule in the sample by studying the stokes and anti-stokes lines. Similarly, from their intensity one can calculate the concentration of a particular sample. Hope you like and enjoy the video. Give us a thumbs up. Stay calm and keep learning. Subscribe to the channel to learn about such more interesting concepts and to never miss any new updates. ------------------------------------------------------------------------------------------- Please watch the video: https://youtu.be/7uXgF05CiYs on Atomic Absorption Spectroscopy (AAS) Please watch the video: https://youtu.be/SsIYDEma_cU on Raman Spectroscopy Please watch the video: https://youtu.be/B22ZsUOFM98 on Spectrofluorimeter Please watch the video: https://youtu.be/sVc-XIysw0c on Double Beam Spectrometer Please watch the video: https://youtu.be/MKFjGIrRKt4 on Basics of UV-Vis spectroscopy in Analytical Instrumentation Please watch the video: https://youtu.be/pxDbEkspXs0 on Filters and Monochromators, Gratings used in Analytical Instrumentation Please watch the video: https://youtu.be/YI17AmrR5Iw on Detectors used in Analytical Instrumentation: Please watch the video: https://youtu.be/J8Bqyqjlqy0 on Single Beam Photometer used in Analytical Instrumentation ------------------------------------------------------------------------------------------- Link to the video on Accelerometer: https://youtu.be/T_iXLNkkjFo Link to the video on Gyroscope: https://youtu.be/ti4HEgd4Fgo Link to the video on Magnetometer: https://youtu.be/_ZiLwoClRGQ ------------------------------------------------------------------------------------------- Link to the video #1 in the automation series: https://youtu.be/rFs0zwx_s9g Introduction to PLC | Programmable logic controllers | Steps towards learning Automation - 01 Link to the video #2 in the automation series: https://youtu.be/fmEmvSazqq8 How does a relay work? | Normally Open | Normally Closed | Steps towards learning Automation - 02 Link to the video #3 in the automation series: https://youtu.be/6sQt1N0nBeE Concept of Sinking and Sourcing in PLC | Steps towards learning Automation - 03 ------------------------------------------------------------------------------------------- Please watch our playlist on Digital Electronics: https://www.youtube.com/playlist?list=PLsaRQCHmdZTBd8xnz_XqhHYdFGlnDapC4 Please watch our playlist on Analytical Instrumentation: https://www.youtube.com/playlist?list=PLsaRQCHmdZTAuxG5X1G9W7zl_p3uwEmY0 Please watch our playlist on Automation and Programmable Logic Controllers (PLC): https://www.youtube.com/playlist?list=PLsaRQCHmdZTC0HqpVwHnXp9LqzeBDMliy ------------------------------------------------------------------------------------------- Follow us on: ---------------------------- Website http://practicalninjas.com/ Facebook https://www.facebook.com/practicalninjas/ Twitter https://twitter.com/practicalninjas Instagram https://www.instagram.com/practicalninjas/ Credits : ---------------------------- https://soundcloud.com/slow-star/robotic-after-all -~-~~-~~~-~~-~- Please watch: "What makes our phones smart? - SOC | System on Chip | Brain of a smartphone" https://www.youtube.com/watch?v=qrT6uSBraEg -~-~~-~~~-~~-~-
Views: 117190 Practical Ninjas
L-111 Spread Spectrum basics, block diagram, working, need and significance
 
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In this video, i have explained Spread Spectrum by following outlines: 0. Spread Spectrum 1. Basics of Spread Spectrum 2. Block Diagram of Spread Spectrum 3. Working of Spread Spectrum 4. Need of Spread Spectrum 5. Significance of Spread Spectrum 6. Types of Spread Spectrum For free materials of different engineering subjects use my android application named Engineering Funda with following link: https://play.google.com/store/apps/details?id=com.viaviapp.ENG_Funda Above Android application of Engineering Funda provides following services: 1. Free Materials (GATE exam, Class Notes, Interview questions) 2. Technical Forum 3. Technical discussion 4. Inquiry For more details and inquiry on above topic visit website of Engineering Funda with given link: http://www.engineeringfunda.co.in Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Digital Communication and Communication Engineering. . . . . . . . . . . . #Digital Communication, #Communication Engineering, #Electronics Communication, #Engineering Funda, #Spread Spectrum, #Basics of Spread Spectrum, #Block Diagram of Spread Spectrum, #Working of Spread Spectrum, #Need of Spread Spectrum, #Significance of Spread Spectrum, #Types of Spread Spectrum
Views: 15927 Engineering Funda
Spectral Analysis Using the DFT
 
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---------------------------- Table of Content ---------------------------- ** Introduction to the concept of DFT-based spectral analysis 00:00 ** DFT-based spectral analysis and spectral leakage 9:51 ** Detailed discussion of spectral analysis using the DFT 17:36 ** Demonstrating DFT-based spectral analysis 45:00 In this video lecture, undergraduate students are introduced to the concept of spectral analysis using the DFT. The concept of spectral leakage is also briefly discussed without going into a formal analysis of this issue.
Views: 3150 SigProcessing
Interpreting IR Spectra Organic Chemistry
 
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Visit our website for the notes of this lecture: https://knowbeetutoring.wordpress.com/ Get private tutoring from anywhere in the world, via your computer, from this instructor. He offers help in Organic Chemistry, General Chemistry, Physics, MCAT, PCAT, and DAT. SUBMIT AN MCAT PROBLEM AND I WILL SHOW YOU HOW TO SOLVE IT VIA VIDEO. FREE. VISIT WEBSITE FOR DETAILS. https://knowbeetutoring.wordpress.com/
Views: 47471 Knowbee
Spectra of Cayley Graphs and Fourier Analysis
 
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Giorgis Petridis's talk at the NSF-CBMS Conference on Additive Combinatorics from a Geometric Viewpoint hosted by the IMI at USC. This talk was given on May 23, 2018. For abstract and lecture notes and other information about the conference, see http://imi.cas.sc.edu/events/784/
Views: 35 IMI USC
Introduction to seismic and spectral analysis
 
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This webinar provides and introduction to seismic and spectral analysis. Why and when to use spectral analysis. A description of the Modal Analysis main settings. An example of spectral analysis. Tip, tricks and common errors and additional resources.
Sampling Theorem
 
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Signal & System: Sampling Theorem Topics discussed: 1. Sampling 2. Sampling Theorem Signal & System: https://goo.gl/spqKtg Network Theory: https://goo.gl/9iTk9K Contribute: http://www.nesoacademy.org/donate Books: http://www.nesoacademy.org/recommended-books Website ► http://www.nesoacademy.org/ Forum ► http://forum.nesoacademy.org/ Facebook ► https://goo.gl/Nt0PmB Twitter ► https://twitter.com/nesoacademy Instagram ► https://www.instagram.com/nesoacademy/ #SignalAndSystemByNeso Music: Axol x Alex Skrindo - You [NCS Release]
Views: 139295 Neso Academy
IR spectroscopy or vibrational spectroscopy ; Identification of different functional groups
 
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What is Infrared spectroscopy or IRspectroscopy or vibrational spectroscopy, vibrational transitions, vibrational frequency of different functional groups. Identification of functional groups by infrared spectra.
Views: 56584 Priyanka Jain
DSB SC Modulation | Power Calculation & Spectrum analysis | Communication System Lec.-09 for GATE
 
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Views: 555 Engineer Tree
Vertex-frequency analysis: A way to localize graph spectral components
 
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LJ. Stanković, M. Daković, E. Sejdić, “Vertex-frequency analysis: A way to localize graph spectral components,” IEEE Signal Processing Magazine, vol. 34, no. 4, pp. 176-182, July 2017. DOI: 10.1109/MSP.2017.2696572 ABSTRACT: Currently, brain and social networks are examples of new data types that are massively acquired and disseminated. These networks typically consist of vertices (nodes) and edges (connections between nodes). Usually, information is conveyed through the strength of connection among nodes, but in recent years, it has been discovered that valuable information may also be conveyed in signals that occur on each vertex. However, traditional signal processing often does not offer reliable tools and algorithms to analyze such new data types. This is especially true for cases where networks (e.g., the strength of connections), or signals on vertices, have properties that change over the network. This lecture note presents a new method to analyze changes in signals on graphs. This method, called the vertex-frequency analysis, relies on Laplacian matrices to establish connections between vertex changes and spectral content. Specifically, this lecture note aims to connect concepts from frequency and time-frequency analyses to the spectral analysis of graph signals. Graph signal processing is a major research area, however, we still lack understanding of how to relate graph signal processing concepts to concepts from traditional signal processing. #graphs #data #datascience #dataanalysis #signalprocessing #dataanalytics #engineering #science #research #innovation #neurosignals #neuroscience
Views: 39 Ervin Sejdic
Mod-04 lec-18 Frequency Domain Spectral Analysis contd....
 
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Seismic Analysis of Structures by Dr. Ashok Gupta & Dr. T.K. Datta,Department of Civil Engineering,IIT Delhi.For more details on NPTEL visit http://nptel.ac.in
Views: 789 nptelhrd
Mass spectrometry part 1 : introduction
 
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For more information, log on to- http://shomusbiology.com/ Download the study materials here- http://shomusbiology.weebly.com/bio-materials.html Mass spectrometry (MS) is an analytical technique that produces spectra (singular spectrum) of the masses of the molecules comprising a sample of material. The spectra are used to determine the elemental composition of a sample, the masses of particles and of molecules, and to elucidate the chemical structures of molecules, such as peptides and other chemical compounds. Mass spectrometry works by ionizing chemical compounds to generate charged molecules or molecule fragments and measuring their mass-to-charge ratios.[1] In a typical MS procedure, a sample, which may be solid, liquid, or gas, is ionized. The ions are separated according to their mass-to-charge ratio.[1] The ions are detected by a mechanism capable of detecting charged particles. Signal processing results are displayed as spectra of the relative abundance of ions as a function of the mass-to-charge ratio. The atoms or molecules can be identified by correlating known masses to the identified masses or through a characteristic fragmentation pattern. A mass spectrometer consists of three components: an ion source, a mass analyzer, and a detector.[2] The ionizer converts a portion of the sample into ions. There is a wide variety of ionization techniques, depending on the phase (solid, liquid, gas) of the sample and the efficiency of various ionization mechanisms for the unknown species. An extraction system removes ions from the sample, which are then trajected through the mass analyzer and onto the detector. The differences in masses of the fragments allows the mass analyzer to sort the ions by their mass-to-charge ratio. The detector measures the value of an indicator quantity and thus provides data for calculating the abundances of each ion present. Some detectors also give spatial information, e.g. a multichannel plate. Mass spectrometry has both qualitative and quantitative uses. These include identifying unknown compounds, determining the isotopic composition of elements in a molecule, and determining the structure of a compound by observing its fragmentation. Other uses include quantifying the amount of a compound in a sample or studying the fundamentals of gas phase ion chemistry (the chemistry of ions and neutrals in a vacuum). MS is now in very common use in analytical laboratories that study physical, chemical, or biological properties of a great variety of compounds. As an analytical technique it possesses distinct advantages such as: 1. Increased sensitivity over most other analytical techniques because the analyzer, as a mass-charge filter, reduces background interference 2. Excellent specificity from characteristic fragmentation patterns to identify unknowns or confirm the presence of suspected compounds. 3. Information about molecular weight. 4. Information about the isotopic abundance of elements. 5. Temporally resolved chemical data. A few of the disadvantages of the method is that often fails to distinguish between optical and geometrical isomers and the positions of substituent in o-, m- and p- positions in an aromatic ring. Also, its scope is limited in identifying hydrocarbons that produce similar fragmented ions.[3] Source of the article published in description is Wikipedia. I am sharing their material. Copyright by original content developers of Wikipedia. Link- http://en.wikipedia.org/wiki/Main_Page
Views: 250652 Shomu's Biology
Plotting Frequency Spectrum using Matlab
 
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Outlines the key points to understanding the matlab code which demonstrates various ways of visualising the frequency content of a signal at http://dadorran.wordpress.com/2014/02/17/plot_freq_spectrum/. This code is published in a more visually friendly way at http://dadorran.wordpress.com/2014/02/20/plotting-frequency-spectrum-using-matlab/
Views: 198013 David Dorran
NMR spectroscopy
 
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NMR spectroscopy lecture by Suman Bhattacharjee - This lecture explains about the NMR spectroscopy basics. Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy, is a research technique that exploits the magnetic properties of certain atomic nuclei. It determines the physical and chemical properties of atoms or the molecules in which they are contained. It relies on the phenomenon of nuclear magnetic resonance and can provide detailed information about the structure, dynamics, reaction state, and chemical environment of molecules. The intramolecular magnetic field around an atom in a molecule changes the resonance frequency, thus giving access to details of the electronic structure of a molecule. Most frequently, NMR spectroscopy is used by chemists and biochemists to investigate the properties of organic molecules, although it is applicable to any kind of sample that contains nuclei possessing spin. Suitable samples range from small compounds analyzed with 1-dimensional proton or carbon-13 NMR spectroscopy to large proteins or nucleic acids using 3 or 4-dimensional techniques. The impact of NMR spectroscopy on the sciences has been substantial because of the range of information and the diversity of samples, including solutions and solids. NMR spectra are unique, well-resolved, analytically tractable and often highly predictable for small molecules. Thus, in organic chemistry practice, NMR analysis is used to confirm the identity of a substance. Different functional groups are obviously distinguishable, and identical functional groups with differing neighboring substituents still give distinguishable signals. NMR has largely replaced traditional wet chemistry tests such as color reagents for identification. A disadvantage is that a relatively large amount, 2–50 mg, of a purified substance is required, although it may be recovered. Preferably, the sample should be dissolved in a solvent, because NMR analysis of solids requires a dedicated MAS machine and may not give equally well-resolved spectra. The timescale of NMR is relatively long, and thus it is not suitable for observing fast phenomena, producing only an averaged spectrum. Although large amounts of impurities do show on an NMR spectrum, better methods exist for detecting impurities, as NMR is inherently not very sensitive. NMR spectrometers are relatively expensive; universities usually have them, but they are less common in private companies. Modern NMR spectrometers have a very strong, large and expensive liquid helium-cooled superconducting magnet, because resolution directly depends on magnetic field strength. Less expensive machines using permanent magnets and lower resolution are also available, which still give sufficient performance for certain application such as reaction monitoring and quick checking of samples. There are even benchtop NMR spectrometers. This important and well-established application of nuclear magnetic resonance will serve to illustrate some of the novel aspects of this method. To begin with, the nmr spectrometer must be tuned to a specific nucleus, in this case the proton. The actual procedure for obtaining the spectrum varies, but the simplest is referred to as the continuous wave (CW) method. A typical CW-spectrometer is shown in the following diagram. Article source - Wikipedia.org For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Youtube- https://www.youtube.com/user/TheFunsuman Thank you for watching NMR spectroscopy lecture by Suman Bhattacharjee.
Views: 365977 Shomu's Biology
Fourier Analysis (and guitar jammin') - Sixty Symbols
 
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A physics professor uses an electric guitar (and wah pedal!) to explain the workings of waves. More at http://www.sixtysymbols.com/
Views: 186919 Sixty Symbols
Interpreting M+ Peaks in Mass Spectrometry
 
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Visit our website for the notes of this lecture: https://knowbeetutoring.wordpress.com/ Get private tutoring from anywhere in the world, via your computer, from this instructor. He offers help in Organic Chemistry, General Chemistry, Physics, MCAT, PCAT, and DAT. SUBMIT AN MCAT PROBLEM AND I WILL SHOW YOU HOW TO SOLVE IT VIA VIDEO. FREE. VISIT WEBSITE FOR DETAILS. https://knowbeetutoring.wordpress.com/
Views: 111423 Knowbee
Lecture 6: Time-domain description of linear spectroscopy
 
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* Light-matter interactions * Lineshape function & linear absorption/emission spectrum * Displaced harmonic oscillator model * The energy-gap Hamiltonian Lecture notes: http://goo.gl/3dI0a9
Views: 409 Lab YCC
Speech and Audio Processing 5: Time-Frequency Analysis - Professor E. Ambikairajah
 
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Speech and Audio Processing Time-Frequency Analysis - Lecture notes available from: http://eemedia.ee.unsw.edu.au/contents/elec9344/LectureNotes/
Views: 15889 UNSWelearning
Introduction to NMR Spectroscopy Part 1
 
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Visit our website for the notes of this lecture: https://knowbeetutoring.wordpress.com/ Get private tutoring from anywhere in the world, via your computer, from this instructor. He offers help in Organic Chemistry, General Chemistry, Physics, MCAT, PCAT, and DAT. SUBMIT AN MCAT PROBLEM AND I WILL SHOW YOU HOW TO SOLVE IT VIA VIDEO. FREE. VISIT WEBSITE FOR DETAILS. https://knowbeetutoring.wordpress.com/
Views: 319657 Knowbee
X ray crystallography basics explained | x ray diffraction
 
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X ray crystallography basics explained - This lecture explains about the X ray crystallography technique to understand the protein structure. X-ray Crystallography is a scientific method used to determine the arrangement of atoms of a crystalline solid in three dimensional space. This technique takes advantage of the interatomic spacing of most crystalline solids by employing them as a diffraction gradient for x-ray light. This video lecture describes the principles of x ray crystallography and the mechanisms of x ray diffraction studies that gives arise to the crystallographic structure of unknown protein samples. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching Thank you for watching X ray crystallography basics lecture
Views: 175224 Shomu's Biology
CNMR Spectrometry in Organic Chemistry
 
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Visit our website for the notes of this lecture: https://knowbeetutoring.wordpress.com/ Get private tutoring from anywhere in the world, via your computer, from this instructor. He offers help in Organic Chemistry, General Chemistry, Physics, MCAT, PCAT, and DAT. SUBMIT AN MCAT PROBLEM AND I WILL SHOW YOU HOW TO SOLVE IT VIA VIDEO. FREE. VISIT WEBSITE FOR DETAILS. https://knowbeetutoring.wordpress.com/
Views: 87397 Knowbee
SPECTRUM CHAPTER WISE QUESTIONS ANALYSIS modern Indian history adhunik bharat ka itihas gk LEC 1
 
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FULL PLAYLIST - https://goo.gl/ztoky9 ALL QUESTIONS WITH EXPLANATION - https://goo.gl/B3czd2 PAID GROUP INFORMATION - 8564880530 website - http://studyforcivilservices.com/ FREE TELEGRAM -https://t.me/studyforcivilservices topic wise spectrum modern history chapter wise top history mcq questions question answer ANALYSIS WITH DETAILED EXPLANATION – MODERN INDIAN HISTORY ADHUNIKA BHARAT KA ITIHAS BEST BOOK NOTES SUMMARY AND TOP BEST MOST IMPORTANT MCQ QUESTIONS FOR UPSC IAS IPS IFS IFOS UPPSC UPPCS MPPSC MPSC CGPSC BPSC 64TH CSE CIVIL SERVICES EXAMS AND STATE PCS SSC AND OTHER COMPETITIVE EXAMS SPECTRUM - A Brief History of Modern India Chapter 1 - Sources for the History of Modern India Chapter 2 - Major Approaches to the History of Modern India Chapter 3 - Advent of the Europeans in India Chapter 4 - India on the Eve of British Conquest Chapter 5 - Expansion and Consolidation of British Chapter 6 - People’s Resistance Against British Before 1857 Chapter 7 - The Revolt of 1857 Chapter 8 - Socio-Religious Reform Movements: General Features Chapter 9 - A General Survey of Socio-Cultural Reform Movements Chapter 10 - Beginning of Modern Nationalism in India Chapter 11 - Indian National Congress: Foundation and the Moderate Phase Chapter 12 - Era of Militant Nationalism (1905-1909) Chapter 13 - First Phase of Revolutionary Activities Chapter 14 - First World War and Nationalist Response Chapter 15 Emergence of Gandhi Chapter 16 Non-Cooperation Movement and Khilafat Aandolan Chapter 17 - Emergence of Swarajists, Socialist Ideas, Revolutionary Activities and Other New Forces Chapter 18 - Simon Commission and the Nehru Report Chapter 19 - Civil Disobedience Movement and Round Table Conferences Chapter 20 - Debates on the Future Strategy after Civil Disobedience Movement Chapter 21 - Congress Rule in Provinces Chapter 22 - Nationalist Response in the Wake of World War II Chapter 23 - Quit India Movement, Demand for Pakistan, and the INA Chapter 24 - Post-War National Scenario Chapter 25 - Independence with Partition Chapter 26 - Constitutional, Administrative and Judicial Developments Chapter 27 - Survey of British Policies in India Chapter 28 - Economic Impact of British Rule in India Chapter 29 - Development of Indian Press Chapter 30 - Development of Education Chapter 31 - Peasant Movements 1857-1947 Chapter 32 - The Movement of the Working Class Chapter 33 - Challenges Before the New-born Nation Chapter 34 - The Indian States Chapter 35 - Making of the Constitution for India Chapter 36 - The Evolution of Nationalist Foreign Policy Chapter 37 - First General Elections Chapter 38 - Developments under Nehru’s Leadership (1947-64)
Spectrum Analysis: High Pressure Sodium Lamp -- xmdemo 104
 
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Explanation will be at http://xmdemo.wordpress.com/104 Follow my blog: https://xmphysics.wordpress.com Follow me on facebook: https://www.facebook.com/xmphysics
Views: 565 xmdemo
Part 3: UV Visible Spectroscopy: Principle and Theory
 
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UV Visible Spectroscopy, Principle and Theory, Electronic Transitions, HOMO, LUMO
Views: 54054 Dr. Puspendra Classes
GATE 2018 CSE&IT and IN Answer key & Analysis
 
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CSE&IT : https://drive.google.com/open?id=16qAYKkS8l78-Zcv_oYfOGLIK4Jk-RtaR IN: https://drive.google.com/open?id=1sZjvh1lo0rO1fRL7Dx_dTyDF_HwOTswO Let's Contribute to Great Purpose of providing Free Education http://lectures4free.blogspot.in/p/donate.html __ Subscribe our YouTube channel https://www.youtube.com/channel/UC9A3kW89pTj9yVPbedY3WMg _ Like our Facebook page https://www.facebook.com/lectures4free/ _ Follow us on twitter https://twitter.com/Jittu0106 _ GATE Book Suggestions https://www.amazon.in/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=made+easy+gate+paper ___ Download Handwritten Lecture Notes from Link given below https://drive.google.com/open?id=14Xk-tV7DlPFLwOIQmCe3DWyNAH8hexXV _ This GATE lecture of Communication Systems on topic "" will help the GATE aspirants engineering students to understand following topic: __ This Gate Lectures of Communication Systems is very useful for preparation of GATE exam. This lecture series covers Random processes: autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems; Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, superheterodyne receivers, circuits for analog communications; Information theory: entropy, mutual information and channel capacity theorem; Digital communications: PCM, DPCM, digital modulation schemes, amplitude, phase and frequency shift keying (ASK, PSK, FSK), QAM, MAP and ML decoding, matched filter receiver, calculation of bandwidth, SNR and BER for digital modulation; Fundamentals of error correction, Hamming codes; Timing and frequency synchronization, inter-symbol interference and its mitigation; Basics of TDMA, FDMA and CDMA.
Views: 1780 Lectures Tube
EEVblog #528 - Opamp Input Noise Voltage Tutorial
 
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Dave explains one of the most confusing parameters in an opamp datasheet, Input Noise Voltage Density, that mysterious nV/RootHz figure. Along with different types of opamp noise, corner noise frequency, and how to calculate output noise spectral density. And how to use a Dynamic Signal Anayser to measure the Power Spectral Density response over frequency of various opamps. Forum: http://www.eevblog.com/forum/blog/eevblog-528-opamp-input-noise-voltage-tutorial All EEVblog Opamp related videos are here: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/
Views: 91951 EEVblog
NMR SPECTROSCOPY -13 || ABSORPTION SPECTRA | LINEAR & FIELD SWEEP METHOD ||
 
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• FOR MY HANDWRITTEN NOTES :- https://www.instamojo.com/chemistryuntold/ • FOLLOW US ON INSTAGRAM :- https://instagram.com/chemistry_untold?utm_source=ig_profile_share&igshid=jyag3tkyq539 • WANT TO SHOW YOUR SUPPORT ? Donate and help us to grow more and reach out more students. Click the link below for donation. https://imjo.in/gZPfW9
Views: 919 Chemistry Untold
Spatial and Spectral Analysis and Modeling of Transversal...
 
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Zeeba TV (http://zeeba.tv) is part of the River Valley group of Companies. http://www.rivervalleytechnologies.com/
Views: 175 rivervalleytv
Mod-04 Lec-19 Frequency Domain Spectral Analysis contd.....
 
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Seismic Analysis of Structures by Dr. Ashok Gupta & Dr. T.K. Datta,Department of Civil Engineering,IIT Delhi.For more details on NPTEL visit http://nptel.ac.in
Views: 918 nptelhrd