fft.c - fast Fourier transform and its inverse (both recursively)
资源简介:fft.c - fast Fourier transform and its inverse (both recursively)
上传时间: 2016-10-06
上传用户:jqy_china
资源简介:This is a simple one dimensional Fast Fourier transform (and inverse FFT) test program. FFT(and inverse FFT) is implemeted as a function. 2^n-point FFT is possible.
上传时间: 2017-07-23
上传用户:xg262122
资源简介:8点基二fft Fast Fourier transform (FFT). Using 8 points, takes about 1.2 ms to execute one FFT. Sets up General Purpose Timer 1 to generate events at 10 kHz. Will produce 10 kHz output on T1PWM and T1PWM pins.
上传时间: 2013-12-18
上传用户:Yukiseop
资源简介:This article describes a new efficient implementation of the Cooley-Tukey fast Fourier transform (FFT) algorithm using C++ template metaprogramming. Thank to the recursive nature of the FFT, the source code is more readable and faster than ...
上传时间: 2013-12-22
上传用户:netwolf
资源简介:快速傅里叶变换(FFT)算法。FFT - Fast Fourier transform. The length of X must be a power of two, for a fast radix-2 fast-Fourier transform algorithm is used
上传时间: 2013-12-19
上传用户:sy_jiadeyi
资源简介:Fast Fourier transform algorithm for labview, C++
上传时间: 2017-03-12
上传用户:sqq
资源简介:Fast Fourier transform FFTLib.c
上传时间: 2017-03-12
上传用户:gundamwzc
资源简介:This file is a function under matlab which allow to compute and plot fast Fourier transform of a signal. We can observe the effect of the signal parameter can be changed such as frequency and N points.
上传时间: 2017-06-26
上传用户:米卡
资源简介:Getting to Know the FFT What is the FFT? FFT = Fast Fourier transform. The FFT is a faster version of the Discrete Fourier transform (DFT). The FFT utilizes some clever algorithms to do the same thing as the DTF, but in much less time.
上传时间: 2017-07-15
上传用户:com1com2
资源简介:Fast Fourier transform in C
上传时间: 2014-01-05
上传用户:lhw888
资源简介:Fast Fourier transform power point The rectangular window introduces broadening of any frequency components [`smearing鈥? and sidelobesthat may overlap with other frequency components [`leakage鈥?. 鈥he effect improves as Nincreases 鈥...
上传时间: 2017-03-24
上传用户:change0329
资源简介:Fourier transform and MATLAB
上传时间: 2015-07-18
上传用户:ywqaxiwang
资源简介:Discrete Fourier transform and Power Spectrum Calculates Power Spectrum from a Time Series
上传时间: 2014-01-21
上传用户:woshini123456
资源简介:This toolbox contains Matlab files that implement the nonsubsample contourlet transform and its utility functions. Some Matlab files are the same as those in Contourlet Toolbox.
上传时间: 2017-01-14
上传用户:lunshaomo
资源简介:Radix-2 Fast Fourier transform, real or complex sin/cos transform
上传时间: 2013-12-30
上传用户:rocketrevenge
资源简介:Fast Fourier transform FFTLib.h
上传时间: 2014-01-07
上传用户:invtnewer
资源简介:Fast Fourier transform
上传时间: 2014-10-27
上传用户:gundamwzc
资源简介:Fast Fourier transform using MPI libraries (Source Code)
上传时间: 2017-07-30
上传用户:manking0408
资源简介:量测/测试所面临之问题 此测试验证上,要使用NI公司之LAB VIEW及DAQ CARD来取代AUDIO PRECISION及其所附软体ATS。首先需克服硬体解析度上的差异,再来是FFT(FAST Fourier transform,快速传立业转换)演算未予的撰写,这将会影响MULTI-TONE讯号上PEAK值的侦测...
上传时间: 2013-12-13
上传用户:longlong12345678
资源简介:数字控制振荡器(NCO,numerical controlled oscillator)是软件无线电、直接数据频 率合成器(DDS,Direct digital synthesizer)、快速傅立叶变换(FFT,Fast Fourier transform) 等的重要组成部分,同时也是决定其性能的主要因素之一,随着芯片集成度的...
上传时间: 2017-07-14
上传用户:nanshan
资源简介:FFTW, a collection of fast C routines to compute the Discrete Fourier transform in one or more dimensions.The fftw/ directory contains the source code for the complex transforms, and the rfftw/ directory contains the source code for the r...
上传时间: 2016-08-17
上传用户:yoleeson
资源简介:General Purpose FFT (Fast Fourier/Cosine/Sine transform)
上传时间: 2017-04-24
上传用户:silenthink
资源简介:This code demonstrate Fast Wavelet transform. Executable and can be run on Visual C++ platform
上传时间: 2017-04-26
上传用户:zhuimenghuadie
资源简介:Calculates the FFT of any sequence and its written in C language
上传时间: 2014-08-27
上传用户:cx111111
资源简介:fft.c--This computes an in-place complex-to-complex FFT x and y are the real and imaginary arrays of 2^m points. dir = 1 gives forward transform dir = -1 gives reverse transform
上传时间: 2016-09-17
上传用户:ljt101007
资源简介:FFTGUI Demonstration of Finite Fourier transform. FFTGUI(y) plots real(y), imag(y), real(fft(y)) and imag(fft(y)). FFTGUI, without any arguments, uses y = zeros(1,32). When any point is moved with the mouse, the other plots res...
上传时间: 2017-06-05
上传用户:anng
资源简介: Use the fast Fourier transform function fft to analyse following signal. Plot the original signal, and the magnitude of its spectrum linearly and logarithmically. Apply Hamming window to reduce the leakage. . The ...
上传时间: 2015-11-23
上传用户:石灰岩123
资源简介:This guide reviews the rules and syntax of the principle commands that comprise C and its object-oriented cousin, C++. The reference consists of 19 chapters that define operators and the standard input/output, string, character, and more.
上传时间: 2014-01-15
上传用户:ve3344
资源简介:16点FFT VHDL源程序,The xFFT16 fast Fourier transform (FFT) Core computes a 16-point complex FFT. The input data is a vector of 16 complex values represented as 16-bit 2’s complement numbers – 16-bits for each of the real and imaginary ...
上传时间: 2013-12-20
上传用户:yph853211
资源简介:The frequency domain plays an important role in image processing to smooth, enhance, and detect edges of images. Although image data typically does not include imaginary values, the fast Fourier transform (FFT) has been used for obtainin...
上传时间: 2014-01-08
上传用户:1051290259