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Correlation of Discrete-Time Signals - Iowa State University

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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

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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: 67

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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

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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: 29

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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

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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: 24

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FFT-based Power Spectrum Estimation - Imperial College London

Autocorrelation The autocorrelation sequence is The pivot of estimation is the Wiener-Khintchine formula ... FFT-based Power Spectrum Estimation Author: Constantinides Last modified by: Prof. Constantinides Created Date: 12/25/2002 6:52:48 AM

http://www.commsp.ee.ic.ac.uk/~agc/course4_files/Lecture_Slides_0304/6-Spectrum%20Estimation/2-FFT-based%20Power%20Spectrum%20Estimation.ppt

Date added: December 3, 2011 - Views: 110

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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: 11

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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: 22

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Time Series Analysis and Forecasting - ac

Time Series Analysis and Forecasting ... The theoretical autocorrelation function The sample autocorrelation Time Series Analysis Lecture Notes MA(4030)Prepared By TMJA Cooray Autocorrelations (cont.) A graph of the correlation values is called a “correlogram” In practice, ...

http://www.math.mrt.ac.lk/TMJAC/Time%20Series.ppt

Date added: January 27, 2012 - Views: 201

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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: 14

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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: 35

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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

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Introduction to Matlab - TUC

Introduction to Matlab - TUC ... Random Signals

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

Date added: August 14, 2014 - Views: 1

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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

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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: 47

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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

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Pitch estimation for music signal processing

Chapter 4: Pitch estimation for music signal processing KH Wong Ch4. pitch, v4b * 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 ...

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

Date added: November 21, 2013 - Views: 8

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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: 64

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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

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Panel Data Models - University of Bath

Panel Data Models Dynamic panels and unit roots Introduction To describe the dynamic panel and motivate its use (This is mostly a practical guide to its use).

http://people.bath.ac.uk/bm232/EC50162/Dynamic%20Panel%20Data%20Models.ppt

Date added: October 26, 2011 - Views: 53

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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: 102

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The Interlaced Chirp Z Transform - School of Engineering and ...

Introduction to Barker codes Barker code of length 13 [-1 -1 -1 -1 -1 1 1 -1 -1 1 -1 1 -1] Barker codes produce the best known sidelobe to mainlobe ratio. The aperiodic autocorrelation is given by: ...

http://www.eng.buffalo.edu/Courses/ee617/ClassPresentation617.ppt

Date added: October 15, 2011 - Views: 35

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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

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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: 16

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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.ce.utexas.edu/prof/maidment/giswr2011/Nov29/Park.pptx

Date added: June 8, 2013 - Views: 6

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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: 255

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ECOMMS Lecture

... 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/spring10/ecomms/lectures/lecture14a.ppt

Date added: August 2, 2013 - Views: 1

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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/fin250fold/lectures/varratio.ppt

Date added: June 4, 2014 - Views: 3

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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

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Network Coding Testbed - Iowa State University

MATLAB Simulink is a relatively new platform for Software Defined Radio. ... Created a script file to analyze the workspace data using autocorrelation techniques. Fig: FSK transmitter with known binary sequence. Error Rate Calculation . Transmitted 128-bit sequence (including header, ...

http://seniord.ece.iastate.edu/may1118/uploads/5/3/9/7/5397798/irp.pptx

Date added: September 10, 2012 - Views: 41

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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: 11

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ECOMMS Lecture

... lab1.ppt Power Spectral Density Autocorrelation function Wiener-Khintchine Theorem Bit Error Rates (BERs) for Digital Comm. Sys. General Procedure M-ary PSK and M ... Pw(f) 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 ...

http://users.rowan.edu/~shreek/spring07/ecomms/lectures/lecture13a.ppt

Date added: September 18, 2014 - Views: 1

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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: 10

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Visual Object Recognition Tutorial - Computer Science & IT

... Hessian determinant * K. Grauman, B. Leibe Ixx Iyy Ixy In Matlab: * Hessian Detector – Responses [Beaudet78] Effect: Responses mainly on corners and ... [Harris88] Second moment matrix (autocorrelation matrix) Image derivatives gx(sD), gy(sD), 2. Square of derivatives Iy 1 ...

http://www.cs.missouri.edu/~duanye/cs8690/lecture-notes/4-local_features.ppt

Date added: March 25, 2013 - Views: 22

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Analysis of modulated signals - AFCEA

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.

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

Date added: December 12, 2013 - Views: 16

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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

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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: 16

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Slide 1

Communication Systems Simulation - III Harri Saarnisaari Part of Simulations and Tools for Telecommunication Course

http://www.ee.oulu.fi/~harza/tietosimuloinnit/comm-systems-III.ppt

Date added: February 17, 2014 - Views: 2

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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

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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

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Course - Wellcome Trust Centre for Neuroimaging

SPM8 > Matlab 7.1 SPM MatLab functions & scripts • basic “toolbox” functions • macro functions/scripts • GUI functions & i/o primitives externally linked C-code • intensive operations • memory ... generalized for temporal autocorrelation random effects analyses multiple ...

http://www.fil.ion.ucl.ac.uk/spm/course/slides08/resources.ppt

Date added: January 31, 2012 - Views: 7

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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

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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://www.stat.uchicago.edu/faculty/InMemoriam/worsley/research/ppt/worsley_ismrm.ppt

Date added: October 23, 2014 - Views: 1

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Title 1

Statistical Nonparametric Mapping - SnPM Thresholding without (m)any assumptions Thomas Nichols, Ph.D. Director, Modelling & Genetics GlaxoSmithKline Clinical Imaging Centre

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

Date added: June 2, 2013 - Views: 4

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Slide 1

... Hessian determinant K. Grauman, B. Leibe Ixx Iyy Ixy In Matlab: Hessian Detector – Responses [Beaudet78] Effect: Responses mainly on corners and ... [Harris88] Second moment matrix (autocorrelation matrix) Image derivatives gx(sD), gy(sD), 2. Square of derivatives Iy 1. Image ...

http://web.engr.illinois.edu/~dhoiem/courses/vision_spring10/lectures/Lecture13%20-%20Overview+Interest%20Points.ppt

Date added: July 16, 2014 - Views: 1

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The “zoo” of Deconvolution Algorithms

fc = /D From the autocorrelation theorem the MTF is the autocorrelation of the complex wavefront at the pupil. Normalized Spatial Frequency MTF Binary Stars Fourier Modulus Two delta functions produce a set of “fringes”, the ...

http://web.cecs.pdx.edu/~mperkows/CLASS_573/Kumar_2007/decon_lecture.ppt

Date added: October 12, 2011 - Views: 78

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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: 16

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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: 11

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A Dual-Path TEQ Structure for DMT-ADSL Systems

EXPLOITING SYMMETRY IN TIME-DOMAIN EQUALIZERS R. K. Martin and C. R. Johnson, Jr. Cornell University School of Electrical and Computer Engineering

http://users.ece.utexas.edu/~bevans/papers/2003/infLengthTEQ/InfLenEqualizerSPAWC03Poster.ppt

Date added: December 21, 2013 - Views: 3