Search - N-points FFT

Search - N-points FFT - List

[matlab] myfft DL : 0: 用于计算fft的MATLAB程序，采用时间提取的基2算法，计算N点的FFT，程序中会自动将N部位2的n次方个点-Used to calculate the fft of the MATLAB program, using the time base 2 extraction algorithm, calculation of N point FFT, the program will automatically N parts of two of the n-th power points
Date : 2026-01-03 Size : 220kb User : Liu Jinglei
[matlab] radix3fft.m DL : 0: A radix-3 FFT for any N points. N is not limited to power of 3.
Date : 2026-01-03 Size : 1kb User : zi
[matlab] ee DL : 0: 快速傅里叶变换 (FFT) 实现，给定信号x(t)=sin(2πf0t)，f0=50Hz，对x(t)以fs=200Hz进行抽样，抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换，求得相应的X(K)。-Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is N = 16. Procedures for the preparation of x (n) of the fast Fourier transform, obtained by the corresponding X (K).
Date : 2026-01-03 Size : 157kb User : chenhuiqin
[matlab] abc DL : 0: 比较DFT和FFT的运算时间。（1）自行选择进行计算的序列（或产生随机序列）。（2）利用计时函数tic、toc，计算点数N=64、128、256、……(IT IS A SAMPLE.Compare the computing time of DFT and FFT. (1) select the sequence to compute (or generate random sequences). (2) using the timer functions tic and TOC to calculate the number of points N=64, 128, 256,......)
Date : 2026-01-03 Size : 8kb User : 郭若若