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Lecture 18 - Lamont-Doherty Earth Observatory |

**autocorrelation** in **MatLab**. **MatLab** computes the **autocorrelation** with just one command. Important Relation #1autocorrelation is the convolution of a time series with its time-reversed self.

http://www.ldeo.columbia.edu/users/menke/edawm/eda_lectures/lec18.pptx

Date added: **October 13, 2012** - Views: **64**

Correlation of Discrete-Time Signals - Iowa State University

Correlation of Discrete-Time Signals Transmitted Signal, x(n) Reflected Signal, y(n) = x(n-D) + w(n) 0 T Cross-Correlation Cross-correlation of x(n) and y(n) is a sequence, rxy(l) Reversing the order, ryx(l) => Similarity to Convolution No folding (time-reversal) In **Matlab**: Conv(x,fliplr(y ...

http://home.eng.iastate.edu/~julied/classes/ee524/LectureNotes/Correlation%20of%20Discrete-Time%20Signals.ppt

Date added: **October 24, 2011** - Views: **85**

Introduction to **MATLAB** - Miami University

**MATLAB** divides Signal Processing Toolbox as follows. Waveforms. Pulses, modulated signals, peak-to-peak and ... Linear and circular convolution, **autocorrelation**, autocovariance, cross-correlation, cross-covariance. Transforms. Fourier transform, chirp z-transform, DCT, Hilbert transform ...

http://blogs.miamioh.edu/researchcomputing/files/2013/10/signal_processing.pptx

Date added: **April 11, 2014** - Views: **26**

GOLD’S FREQUENCY HOPPING PREDICTION EXAMPLE

**AUTOCORRELATION** OF PN SEQUENCES A very important property of PN sequences is the periodic auto correlation ... By letting bk = 2ck -1, this translates 0 -1 and 1 1 This is a useful **MatLab** conversion necessary for many **MatLab** computations: Note: In GF(2) arithmetic, multiplication ...

http://cecs.wright.edu/~jstephen/2007Lecture04.ppt

Date added: **September 13, 2013** - Views: **10**

Lecture 17 - Lamont-Doherty Earth Observatory |

Environmental Data Analysis with **MatLab**. Lecture 17: Covariance and **Autocorrelation**. Today’s lecture introduces a new subject concerning correlations within time series.

http://www.ldeo.columbia.edu/users/menke/edawm/eda_lectures/lec17.pptx

Date added: **October 24, 2012** - Views: **19**

Speech Processing

Speech Processing Instructor: Veton Kepuska Author: Tien-Hsiang Lo Speech Processing Method Linear Prediction **Autocorrelation** Method Weighted-Sum Line Spectrum pair Issues Useful **MATLAB** instructions Linear Prediction **Autocorrelation** Method An even function A convenient way to display certain ...

http://my.fit.edu/~vkepuska/ece5525/Projects/Spring2004/Tien-Hsiang%20Lo/TH_project.ppt

Date added: **August 2, 2013** - Views: **10**

The Sinusoidal Waveform - YILDIZ

... **Autocorrelation** by Polynomial Multiplication Method Graph of the **autocorrelation** function Slide 16 **MATLAB** Implementation Covariance and Correlation Correlation and Covariance Slide 19 Slide 20 Slide 21 **MATLAB** Implementation **Autocorrelation** and Crosscorrelation **MATLAB** ...

http://www.yildiz.edu.tr/~naydin/BaS/lectures/PPT/BaS_04b.ppt

Date added: **July 27, 2013** - Views: **22**

**MATLAB** tutorial online version Methods in Computational ... Relative refractory period: **Autocorrelation** function Weak coupling with homogeneous input Weak coupling with noisy tuned input Strong coupling with noisy tuned input Strong coupling with nonspecific input Ring neural ...

http://www.weizmann.ac.il/home/bndmitri/MatlabTutorialOnline/MATLABtutorial_online.ppt

Date added: **October 15, 2011** - Views: **57**

Correlation and **Auto-Correlation** of Signals - Home - John Sebeson

Correlation and Auto ... All possible k shifts would produce a vector of values, the “full” cross-correlation. The process is performed in **MATLAB** by ... -correlation of a noisy signal provides greater S/N in detecting dominant frequency components compared to a normal FFT **Autocorrelation** has ...

http://jsebeson.webs.com/ECET%20430/KS%20Chapter%208%20Correlation%20Auto%20Correlation.ppt

Date added: **September 9, 2012** - Views: **75**

Introduction to Applied Spatial Econometrics - DIMETIC

Introduction to Applied Spatial Econometrics Attila Varga DIMETIC Pécs, July 3, 2009 Prerequisites Basic statistics (statistical testing) Basic econometrics (Ordinary Least Squares and Maximum Likelihood estimations, **autocorrelation**) EU Patent applications 2002 Outline Introduction The nature ...

http://dimetic.dime-eu.org/dimetic_files/Spatial%20econometrics%20introduction.ppt

Date added: **September 13, 2011** - Views: **62**

Introduction to **Matlab** - Telecoms TUC main

Title: Introduction to **Matlab** Author: doikon Last modified by: doikon Created Date: 2/9/2002 3:11:20 PM Document presentation format: On-screen Show

http://www.telecom.tuc.gr/probcourse/resources/matlab/05_random_signals.ppt

Date added: **August 14, 2014** - Views: **1**

No Slide Title

... Average Magnitude Difference Method (AMDF) **Autocorrelation** Method (AC) Average Magnitude Difference Method (AMDF) Average magnitude ... **MATLAB** Project Pseduocode read in speech signal from binary file create arrays to hold pitch data read in pitch data from .fx ASCII text file place ...

http://my.fit.edu/~vkepuska/ece5525/Projects/Fall2004/Ira%20Weissberger/iraproject.ppt

Date added: **May 26, 2012** - Views: **13**

PITCH DETECTION

PITCH DETECTION Shaan Patel HoangMinh Nguyen Richard King

http://rking84.bol.ucla.edu/PitchDetection.ppt

Date added: **June 8, 2013** - Views: **7**

Tutorial: Making “Movie” slides using **Matlab** and Power Point

Tutorial: Making “Movie” slides using **Matlab** and Power Point Chet Lo University of Utah 7-7-03 Tutorial: Making “Movie” slides using **Matlab** and Power Point Chet Lo University of Utah 7-7-03 × ∫ **Autocorrelation** Function function NDRmovie() axis([-5 25 1 4000]); set(gca,'nextplot ...

http://ece.utah.edu/~cfurse/Tutorials/matlab/Matlab%20Movies.ppt

Date added: **October 15, 2011** - Views: **34**

3Com Expo DSP - Past, Present, Future

ECE4270 Fundamentals of DSP Lecture 8 Discrete-Time Random Signals I School of Electrical and Computer Engineering Center for Signal and Image Processing

http://users.ece.gatech.edu/~fekri/teaching/ece4270/spring2006/4270-L08-sp06_fekri.ppt

Date added: **July 23, 2013** - Views: **13**

Time Series Basics - Brandeis University

... Partial ACF Information criteria Forecast **Autocorrelation** Partial **Autocorrelation** Correlation between ... normal distribution for large T Moving average MA and ARMA Numerical estimation procedures Built into many packages **Matlab** econometrics toolbox Residual Diagnostics Get model ...

http://people.brandeis.edu/~blebaron/classes/fin250a/lectures/tsbasics.ppt

Date added: **August 10, 2013** - Views: **3**

Digital Representation of Audio Information

The **Matlab** command pwelch() implements this method. Example: Filter white noise through a band-pass filter and compute the PSD. ... Show **autocorrelation** for white noise (filter input) and colored noise (filter output).

http://www.engr.uky.edu/~donohue/ee513/unit3.ppt

Date added: **November 23, 2011** - Views: **62**

Introduction to Spatial Data Analysis in the Social Sciences

Spatial Regression Models ESDA and OLS diagnostics tell you that there is spatial **autocorrelation** ... no diagnostics; not compatible with ArcView 8.2 Spatial Toolbox (LeSage) **Matlab** routines ... programmatic effects Statistical Reasons for Spatial Analysis Violation of ...

http://www.personal.psu.edu/faculty/f/k/fkw/rsoc597/RS597%20-%2006.ppt

Date added: **October 30, 2011** - Views: **85**

KPC-Toolbox Demonstration - William & Mary Computer Science

... **MATLAB** toolbox Workload Traces Markovian Arrival Process (MAP) ... determine n? Which trace descriptors are important? Literature: Moments of interval times, lag-1 **autocorrelation** But, for long range dependent traces? Need temporal dependence descriptors MAP Parameterization ...

http://www.cs.wm.edu/MAPQN/kpcdemo_fourthversion.ppt

Date added: **May 3, 2013** - Views: **12**

Linearity - University of Texas at Austin

... Quantization Error (Noise) Analysis Power spectrum for signal x(t) is **Autocorrelation** of random signal n(t) For zero-mean Gaussian n(t) with variance s2 Estimate noise power spectrum in **Matlab** Quantization Error (Noise) ...

http://signal.ece.utexas.edu/~arslan/courses/realtime/lectures/08_Quantization/lecture8.ppt

Date added: **June 1, 2013** - Views: **13**

Regression Analysis. - Ning

**Autocorrelation** can also be arise in laboratory experiments ,because of the sequence in which experimental runs are done or drift in instruments calibration . Randomization reduce the possibility of Auto correlated result.

http://api.ning.com/files/y4oPHcT54JQzlymAM1-zDDX-XLXnnPPX83u34Qodg4qYKpgzm*1LVJoD6BS1bF0WRRzM1s0AL4IcZazl3D5mnhot02uLI1Zo/multipleregression.ppt

Date added: **November 2, 2012** - Views: **41**

No Slide Title

... process? AR(1) PROCESS **Autocorrelation** Using, Recursively, we thus have for an AR(1) process, For a long series, the sampling distribution for r is approximately Gaussian ... p=0.002 for a one-sided test **Autocorrelation** **Matlab** Examples * Recall from last time…

http://ww4.msu.ac.zw/elearning/material/1159340235More%20on%20Regression.ppt

Date added: **June 8, 2013** - Views: **6**

슬라이드 1

Application of spatial **autocorrelation** analysis in determining optimal classification method and detecting land cover change from remotely sensed data . Edward Park. SAC in **MATLAB**. Digital Globe inc. Introduction. 1.1 Objective. Objective:

http://www.caee.utexas.edu/prof/maidment/giswr2011/Nov29/Park.pptx

Date added: **February 10, 2014** - Views: **3**

ECOMMS Lecture - Rowan University

... F Wiener-Khintchine Theorem **Matlab** Demo: autocorr.m Thermal (Johnson) Noise 0 0.5 1 1.5 2 2.5 3 x 10 12 0 0.5 1 1.5 2 x 10 -21 PSD of thermal noise frequency, Hz PSD, W/Hz **Matlab** script: ... (PSD) **Autocorrelation** Function Thermal (Johnson) ...

http://users.rowan.edu/~shreek/spring11/ecomms/lectures/lecture14a.ppt

Date added: **December 7, 2013** - Views: **14**

No Slide Title

... with no return NO Correlation! Back to the Example: with return Good Correlation! Inner Product in **Matlab** Row vector Row vector conjugate, transpose Take two signals of ... where The term is called the “**autocorrelation** of s[n]”. This characterizes the pulse. Example: a square ...

http://faculty.nps.edu/rcristi/EO3404/C-Filters/slides/3-Matched-Filter.ppt

Date added: **June 26, 2013** - Views: **9**

Matched Filter & PAM - University of Texas at Austin

... = Rx(-t) Power Spectra Power spectrum for signal x(t) is **Autocorrelation** of random signal n(t) For zero-mean Gaussian n(t) ... with variance s2 Estimate noise power spectrum in **Matlab** Matched Filter Derivation Noise Signal Matched Filter Derivation Find h(t) ...

http://signal.ece.utexas.edu/~arslan/courses/realtime/lectures/13_Matched_Filtering/lecture13.ppt

Date added: **August 29, 2011** - Views: **101**

Time Series Basics

Outline Variance ratios **Autocorrelation** sampling theory Types of Random Walks e(t) ... Random Walk Test Test: VR(N)=1 Two problems Distribution of VR? Which N? Distribution of VR(N): Asymptotic **Matlab** Examples vratio vratiotest nmcvratio bsvratio Longer Time Horizons Weekly Lo and Mackinlay ...

http://people.brandeis.edu/~blebaron/classes/fin250a/lectures/varratio.ppt

Date added: **February 17, 2014** - Views: **2**

Pitch estimation for music signal processing

The frequency of x is 1/dt=(8/3) KHz Ch4. pitch, v3.c * **Matlab** %Ver2, MACF (Modified **Autocorrelation** function)using center clipping clear %select one of the followings %real_data=1 %1 or 0 real_data=0 if real_data==1 %use real sound %[x,fs]=wavread ('d:\0music\sounds\violin3.wav'); [orginal_x,fs ...

http://www.cse.cuhk.edu.hk/%7Ekhwong/www2/cmsc5707/5707_4_pitch.ppt

Date added: **November 21, 2013** - Views: **8**

LPC Speech Coder on the TI C6x DSP - UCLA Electrical Engineering

... pulls out the rug from under you Design Flow Consolidate **Matlab** reference into a single function **Matlab** rewritten C ... precision for low energy segments Temporary values stored in <10.30> Take advantage of extended precision Modified **autocorrelation** used <16.0> All whole numbers Fixed ...

http://www.ee.ucla.edu/~ingrid/ee213a/speech/EE213A-LPConC6x.ppt

Date added: **October 1, 2011** - Views: **38**

Chapter 17 - Simple Linear Regression and Correlation

Simple Linear Regression and Correlation Linear Regression Analysis… Regression analysis is used to predict the value of one variable (the dependent variable) on the basis of other variables (the independent variables).

http://wweb.uta.edu/insyopma/baker/STATISTICS/Keller7/Keller%20PP%20slides-7/Chapter17.ppt

Date added: **August 25, 2011** - Views: **246**

Digital Representation of Audio Information

For **Matlab**’s FFT: FFT(X) is the discrete Fourier transform (DFT) of vector X. For matrices, ... [h,fq] = freqz(b,a,2*plen,fs); plot(fq,abs(h).^2,col(2)) hold off % Label figure xlabel('Hertz') ylabel('PDS') **Autocorrelation** Function As a measure of how quickly a signal changes on average, ...

http://www.engr.uky.edu/~donohue/ee513/DSPanalysis.ppt

Date added: **January 28, 2012** - Views: **32**

FPGA Programming for Real Time Analysis of Lidar

I-Q Demodulation (**Autocorrelation**) Results. FPGA Programming for Real Time Analysis of Lidar Systems by: ... High PRF makes real time analysis using only a data acquisition card and software such as **MATLAB** nearly impossible, because the time between pulses is very small.

http://crest.ccny.cuny.edu/symposium2013/docs/Abdelazim_Sameh.pptx

Date added: **July 12, 2013** - Views: **10**

Analysis of modulated signals

Statistic analysis – Is engaged in identification basic statistical quantity (mean value, scatter, **autocorrelation** function, ... All of these pictures I created in **MATLAB** 7. Modern approach Utilize cyclostationarity to model random signals and substitute more approximate stationary models.

https://www.afcea.org/europe/html/Classification.pps

Date added: **September 18, 2014** - Views: **1**

No Slide Title

... is characterized in the frequency domain by its power spectrum which is the fourier transform of the **autocorrelation** function of the random process.that is, Conversely, the ... Answer **Matlab**: M-file ip_02_06 Example 2.7 Compute the **autocorrelation** function Ry(t) ...

http://hit.ac.il/staff/commEng/Uri_Mahlab/simindigialcomm2.ppt

Date added: **September 12, 2012** - Views: **14**

Laboratory 1 - Chinese University of Hong Kong

Convert to digital , find **autocorrelation** coeff. ... Exercise Verify by hand the first 3 (r [ j ]) elements after the signal overlapped with itself. **Matlab** Example1: a=[1 3 9 3 2 3 8 3 2 ],r=(xcorr(a)) figure(1),clf,subplot(2,1,1) plot(a),subplot(2,1,2)plot(r) ...

http://www.cse.cuhk.edu.hk/~khwong/www2/ceng4480/lab1_pitch_tuner.ppt

Date added: **May 18, 2013** - Views: **9**

Biofys

Simulering av ultralydsignal fra spredere i bevegelse Hans Torp Institutt for sirkulasjon og medisinsk bildediagnostikk Hans Torp NTNU, Norway

http://folk.ntnu.no/htorp/Undervisning/MEDT8007/notater/SimMovingScatterer.ppt

Date added: **August 5, 2013** - Views: **2**

PowerPoint Presentation

• Properties of **Autocorrelation** include: ... I’d like you to first evaluate the integral by hand, & then calculate and plot the Fourier transform using **Matlab**. (Send me by class-time Tuesday Sep 23). 1) **Autocorrelation** of a discrete-time WSS white noise process (use 2 = 3) 2 ...

http://aconcagua.geol.usu.edu/%7Earlowry/Signal/SA12Sep13.ppt

Date added: **August 25, 2014** - Views: **1**

PowerPoint Presentation

... BER plot Given bandwidth efficiency vs. experimented bandwidth efficiency Tools Any tools supported by ECE **MATLAB** ... sink Signal source and source coding Ideal source coded data “Random” Memoryless source Equiprobable Spectrum and **autocorrelation** A randomly generated ...

http://people.ee.duke.edu/~mbrooke/ECE283/2004_Fall/Projects/Project1Description.ppt

Date added: **February 8, 2012** - Views: **57**

Statistical analysis of fMRI data

A general statistical analysis for fMRI data Keith Worsley12, Chuanhong Liao1, John Aston123, Jean-Baptiste Poline4, Gary Duncan5, Vali Petre2, Alan Evans2

http://www.math.mcgill.ca/keith/BICstat/HBM.ppt

Date added: **August 13, 2013** - Views: **3**

Statistical analysis of fMRI data

A general statistical analysis for fMRI data Keith Worsley12, Chuanhong Liao1, John Aston13, Jean-Baptiste Poline4, Gary Duncan5, Vali Petre2, Alan Evans2

http://www.math.mcgill.ca/%7Ekeith/fmristat_paper/HBM.ppt

Date added: **September 2, 2014** - Views: **1**

Statistical analysis of fMRI data

Model-driven statistical analysis of fMRI data Keith Worsley Department of Mathematics and Statistics, Brain Imaging Centre, Montreal Neurological Institute, McGill University

http://galton.uchicago.edu/faculty/InMemoriam/worsley/research/ppt/worsley_ismrm.ppt

Date added: **September 2, 2014** - Views: **1**

From Econometrics to Spatial Econometrics

Oral Cancer Death Rate Software ArcGIS GeoDA R SAS Stata **Matlab** SpaceStat CrimeStat Review of Applications of SE Four most cited ... defines spatial process (spatial **autocorrelation**), spatial structure, or spatial interaction across study regions. A common way to define a weighting ...

http://www.tesociety.org.tw/download.php?filename=15_086963bb.ppt&dir=news&title=%E8%AC%9B%E7%BE%A9

Date added: **June 21, 2013** - Views: **10**

Finding the time lag between solar heating and surface ...

All calculations and plots created using **MATLAB**. ... An **autocorrelation** shows the cross-correlation of each time series against itself. “It is the similarity between observations as a function of the time separation between them” (Wikipedia).

http://apollo.eas.gatech.edu/EAS4480/2012/Anixon3%20presentation.pptx

Date added: **September 2, 2014** - Views: **1**

Taguchi Method: - confex.com

H-yarn Program written in **Matlab** code, using the least square method is used for estimating these parameters. ... **Autocorrelation** coefficient of first order R(1) ...

http://ncc.confex.com/ncc/responses/2007/281.ppt

Date added: **June 25, 2013** - Views: **15**

Презентация PowerPoint - unn.ru

... (HMM) N-gram model Viterbi decoding Baum-Welch training IPP vs. **MATLAB** Frequency Scale Conversion Mel scale Equivalent rectangular ... LSP LSF Reflection coefficients Unit-triangular matrix containing the AR coefficients **Autocorrelation** coefficients Expand formant bandwidths of ...

http://www.itlab.unn.ru/file.php?id=172

Date added: **September 10, 2012** - Views: **18**

Title 1

Permutation Test & Exchangeability fMRI scans are not exchangeable Permuting disrupts order, temporal **autocorrelation** Intrasubject fMRI permutation test Must decorrelate data, model before permuting What is correlation structure?

http://www.icn.ucl.ac.uk/courses/MATLAB-Tutorials/spm_icn_2008/NonparamThres.ppt

Date added: **June 2, 2013** - Views: **3**

PowerPoint Presentation

• The Auto-Power Spectrum of a random variable is the Fourier transform of the **autocorrelation** function, given by the Wiener-Khinchin relation ... & then calculate and plot the Fourier transform using **Matlab**. (Send me by class-time Tuesday Sep 23). 1) **Autocorrelation** of a ...

http://aconcagua.geol.usu.edu/%7Earlowry/Signal/SA17Sep13.ppt

Date added: **October 17, 2013** - Views: **1**

ECOMMS Lecture - Rowan University

... F Wiener-Khintchine Theorem **Matlab** Demo: autocorr.m 0 0.5 1 1.5 2 2.5 3 x 10 12 0 0.5 1 1.5 2 x 10 -21 PSD of thermal noise frequency, Hz PSD, W/Hz **Matlab** script: ... Power Spectral Density (PSD) **Autocorrelation** Function Thermal ...

http://users.rowan.edu/~shreek/spring05/ecomms/lectures/lecture12a.ppt

Date added: **May 8, 2012** - Views: **20**

소리 검출 및 조작 **MATLAB** 과제

소리 검출 및 조작 **MATLAB** 과제 윤태웅 2007711392 박환민 2001313808 정명진 2001310328 실험 방법 **Matlab**의 xcorr()함수를 이용한 한 Frame의 **Autocorrelation**을 구하고 이것의 주기성을 관찰하였다. 1 frame의 크기는 256 Sample을 사용 Sample 길이는 ...

http://hci.skku.ac.kr/technote6/board.php?board=test25&page=19&sort=hit&command=item&exe=download&clmkey=ufile1&no=103&file=%B0%FA%C1%A64_%C0%B1%C5%C2%BF%F5(1).ppt

Date added: **August 2, 2014** - Views: **1**

Linearity - University of Texas at Austin

... in Fourier domain is convolution in time domain Conjugation in Fourier domain is reversal & conjugation in time **Autocorrelation** of x(t) Maximum value (when it exists) is at Rx(0 ... with variance s2 Estimate noise power spectrum in **Matlab** N = 16384; % finite no. of samples ...

http://users.ece.utexas.edu/~bevans/courses/realtime/lectures/08_Quantization/lecture8.ppt

Date added: **September 19, 2011** - Views: **74**