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Fast fourier transform

2014-12-16 19:22    By:hongyunnchen      View:45      Download:0

A fast fourier transform  is an algorithm to compute the Discrete fourier transform and its inverse. fourier analysis converts time  to frequency and vice versa; an FFT rapidly computes such transformations by factorizingthe DFT matrix ...

Algorithm C

Fast fourier transform(FFT) in C#

2014-12-03 16:15    By:fantom44      View:58      Download:0

 this program provide a class to calculate fast fourier transform (FFT) to compute the Discrete fourier transform (DFT) and its inverse....

Voice C#

Short-time fourier transform

2014-12-12 04:48    By:neighbor      View:43      Download:0

The short-time fourier transform (STFT) is used for transforming a signal of time to frequency domain, but often is used when our signal has low amplitude and some ranges of frequency close. In this code you can choose what window to use. gaussian, hamming.. etc....

Matlab Matlab

Short-time fourier transform, draw three-dimension time-frequency of speech signals

2014-12-15 09:13    By:xiaofen_27      View:47      Download:1

Through. wav audio files for a short-time fourier transform, draw its three-dimension time-frequency diagram. Measurement is available....

Matlab Matlab

Written by VC ++ 6.0 fourier transform fourier program

1 hours ago    By:zhangxiaochao      View:52      Download:0

This procedure is to use vc + + 6.0 implementation of fourier transform, the MFC framework program, can be directly executed, note detailed, clear, easy to master by the beginner...

Image Processing C++

Short-time fourier transform

2014-11-30 08:21    By:ryanshaxiaozi      View:11      Download:0

This program is mainly a particular change in a short-time fourier transform, Gabor transform time-frequency resolution is the highest of them in short-time fourier transform, people have a lot of time-frequency analysis in early to help, to understanding and to further understanding of time-frequen...

Matlab Matlab

Blood Flow Signals non-parametric spectral estimation and short-time fourier transform

2014-12-09 23:07    By:gongpan10      View:19      Download:1

Since the wave source and the receiver (or the viewer) of the relative movement, so that the actual observed frequency of the frequency of the wave source there is a difference. This phenomenon is called Doppler effect....

Algorithm Matlab

fourier transform Animation

2014-12-10 02:32    By:ahmedss2006      View:28      Download:0

This program contains animations/demos for the following: 1. 1D fourier transform & its inverse (on Discrete random samples): reconstruct the original signal by adding the 1D FT sin's/cos's components together  2. 2D fourier transform & its inverse...

Image Processing C#

Calculation sequence of Discrete fourier transform and the inverse Discrete fourier transform

2014-12-14 09:27    By:mianmianweiwei      View:17      Download:0

Xn = [1,1,1,1] trial < span style = "font-size: 12.0pt; font-family:" "> MATLAB programming, calculating the sequence of Discrete fourier transform and the inverse Discrete fourier transform. 2, take a cycle of sinusoidal signals, 8 point sampling, seek a continuous spectrum. An...

Matlab Matlab

The digital picture matrix data demonstration and its fourier transform

2014-12-12 04:47    By:njwhat      View:5      Download:0

Digital image data matrix display and fourier transform, the program can run the correct result, I hope all of you have helped....

Matlab Matlab

Serie fourier Onda Cuadrada

2013-01-29 17:13    By:kikejunior      View:15      Download:0


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Perspective (the Perspective transformation)

2014-12-15 06:35    By:njwhat      View:52      Download:0

Perspective transform (Perspectivetransformation) refers to the use of perspective Center, like the point, destination point three points collinear condition, according to the laws of perspective rotation makes shadow side (pivot side) around the tracks (pivot axis) rotation at an angle, projection...

Matlab Matlab

Space-time Codes and MIMO Systems

2014-12-16 14:29    By:1028293781      View:67      Download:0

Space-time Codes and MIMO Systems The technical descriptions, procedures, and computer programs in this book have been developed with the greatest of care and they have been useful to the author in a broad range of applications; however, they are provided as is, without warranty of any kind...

book Matlab

TEM320 DSP280x CPU time setting

2014-12-07 01:59    By:gsmlkk      View:25      Download:0

Texas 儀 DSP CPU time of the DSP280x Setup program, have been in the standard pad 測 試 sometimes! chasing after the normal!!!...

dsp C

Empirical orthogonal function (PCA) estimation for EEG time series

2014-12-15 04:40    By:wangxiaolong0312      View:167      Download:0

This source contains the empirical orthogonal functional analysis (EOF) calculation for an individual or population of EEG power spectrum multivariate time series. The zip file contains several versions of the code useful for different contexts, including code that returns only the first EOF versus...

Matlab Matlab

timeR - STM32F103

2014-12-15 22:11    By:x!co      View:44      Download:0

Simple example how to configure STM32F1 timers , with Toggle and PWM functionality. ...

Arm C
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