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fft.rar
- FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT。按照抽取方式的不同可分为DIT-FFT（按时间抽取）和DIF-FFT（按频率抽取）算法。按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子（2n,n为大于1的整数），基2、基4算法较为常用。,FFT algorithm is the basic principle of DFT successive long sequence is broken down into shorter sequences of DFT. In
e1
- 16点基4—FFT算法编程。输入16点的序列，采用基4-fft方法计算其快速傅里叶变换。-16 points-based 4-FFT algorithm for programming. Enter the 16-point sequence, with the base 4-fft method for calculating the fast Fourier transform.
FFT1024
- matlab 实现 1024点 FFT 运算 已经试过 运行很好-matlab achieve the 1024-point FFT computation
fenji
- 我的FFT分级调试程序，2048点的浮点型数据。用matlab写的。-Debug my FFT grading procedures, 2048-point floating-point data. Written by matlab.
fft64
- 64-point radix-2 fft module
fft256
- 256-point radix-2 fft
16_points_DIT_FFT_MATLAB
- 基于时域抽取的1024点FFT函数。适合用于演示算法计算过程，既教学。可以扩展成2次幂点数的FFT计算。开发环境MATLAB。-1024-point Decimation-in-time FFT function. Algorithm suitable for presentation process, both the teaching. Can be expanded into a power of two points of the FFT calculation. Development
apfft
- Matlab实现的全相位频谱分析，可以自行设定点数和输入序列。结果包括频谱图和与普通fft的对比-Matlab to achieve all-phase spectral analysis, can draw up a point and input sequence. The results include the spectral figure and the comparison with ordinary fft
Untitled1
- 基于FFT谱连续细化算法的高精度频率估计，这种算法可以精确到小数点后两位，这种算法与MUSIC法和ESPRIT法相比，计算量大大降低，而且精度非常高。-This procedure is based on the FFT spectrum continual refinement algorithm s high accuracy frequency， this algorithm may precisely to decimal point latter two, compared the M
myfft64
- this matlab code about 64 point fft.
581L6_00
- this program is radix-4 fft for 64 point
function6
- Pass the Images Through Optics -- Use a Gaussian "Aperture Function" This code segement can use a measured aperture function just as easily - simply replace the next five lines by "load measured_aperture" where measured_aperture is the measur
fft
- FFt code of 8 point in matlab
fft
- 自己编写的fft16点变换程序，不是matlab中自带的，简单明了，可以帮助理解fft算法-The own written fft16 point conversion program, not matlab comes
FFT
- 自己写的快速傅里叶变换，处理N点数据的傅里叶变换，含两个MATLAB的M文件,可直接使用-Fast Fourier Transform, write your own data of the N-point Fourier transform, containing two MATLAB M-files can be used directly
fft
- Matlab程序，GUI窗口 用FFT程序计算有限长度正弦信号y=sin(2*pi*f*t) ,0<=t<=N*T-FFT program calculate the finite length of the sinusoidal signal y = sin (2* pi* f* t), 0 < = t < = N* T respectively the DFT results obtained and analyzed and discussed in the fol
64 fft_ifft
- FFT and IFFT 64 point radix-4
fft16
- The following Matlab project contains the source code and Matlab examples used for 16 point radix 2 dif fft . Contain the computation of 16 point DIF FFT in each stages and reordering process.
基于分布式算法实现64点FFT
- 基于分布式算法，实现64点基8的快速傅里叶变换的仿真(Based on distributed algorithm, 64-point base 8 fast Fourier transform simulation)
matlab
- 对一个信号文件导入并进行fft变换，显示图形；对信号是否平稳，周期性，采样点数N，有偏无偏处理的估计效果等都做了处理和显示(A signal file is imported and transformed by FFT to display graphics; whether the signal is stable, periodic, sampling point N, the estimation effect of biased and unbiased processing are