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short-fft
- 里面有一对定点FFT和IFFT算法,Hanning window,内含有1024-point正弦系数(已进行定标),可支持2^n(n<=10)点的FFT/IFFT变换
FFT
- FFT算法进行FFT 、IFFT、功率谱计算,包括Hamming 窗、Hanning 窗、triangle 窗、Blackman 窗、4 term Blackman-Harris 窗几种窗函数的功率谱计算功能。
hanning
- 该程序是加上汉宁窗,用来检测谐波次数比较近的谐波。-hanning FFT插值算法
加hanning窗程序
- %加汉宁窗傅立叶变换% f=50;%f为基频 t1=0.12;%t1为采样时间 n=64; %n为采样点数 m=64; %m为做fft的点数
hanning.rar
- 用hanning窗的插值FFT算法,适用于电力系统信号的谐波分析,Hanning window with interpolation FFT algorithm, applied to power system harmonic analysis signals
Periodogram-powe
- 平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手,从理论上分析了其存在的局限性,借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz,时间序列长度2048,FFT数据点数2048。其中welch法使用hanning窗,窗口长度600.-Average periodogram and periodogram smoothing method to est
hanningwindow
- 该程序是加上汉宁窗,用来检测谐波次数比较近的谐波-hanning FFT
sparseBSS1
- 稀疏分量分解。 function [y A]=sparseBSS1(X,L,langda,G,h,delta)-function [y A]=sparseBSS1(X,L,langda,G,h,delta) ---------------------------------------------------------------- 2009-04-15 YangZhicong X: observed signal,each ro
02849727FFT
- FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.
99341857matlab
- FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.
fft
- FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.
FFT
- Fast Fourier transform - windows Hanning, Hamming, Blackman, Bartlett-Hann, Bohman
kcsj_liwen
- 现代信号处理 一个序列为 ,使用FFT分析其频谱: 1) 使用不同宽度的矩形窗截短该序列为M点长度,取M分别为: a) M=20 b) M=40 c)M=160 ;观察不同长度的窗对谱分析结果的影响; 2)使用汉宁窗、哈明窗重做1) 3)对三种窗的结果进行理论分析及比较。并绘出相应的幅频特性曲线 -Modern signal processing a sequence, using FFT analysis of the spectrum: 1) the width of the
Data-processing
- 基于FFT的功率谱分析程序设计与应用 2)对实验所采集的转子振动信号进行频谱分析 2.讨论: 1) 信号经过均值化处理或不经过均值化处理的结果比较 2)采用不同窗函数时的谱结果(矩形窗函数, 汉宁窗函数,汉明窗) 3)典型函数的频谱(矩形窗函数, 汉宁窗函数,直线,阶跃函数,δ函数,方波,三角波等) 4)整周期和非整周期采样时两者的比较 5)讨论实验结果 -Based on the FFT power spectrum analysis
hanning11
- 加汉宁窗fft插值算法,计算谐波幅值、频率、相位,需输入采样频率、fft长度-hanning windows Harmonic analysis
FFT
- Fast Fourier transform - windows Hanning, Hamming, Blackman, Bartlett-Hann, Bohman
hanning
- 汉宁窗频谱分析程序 快速傅立叶变化的优化算法 解决频谱泄露问题-Hanning FFT spectrum analysis program optimization algorithms to solve the changing spectrum leakage problem
ffthanning
- 加hanning窗的FFT快速傅里叶变换源代码,完整,适合初学者-Plus hanning window FFT Fast Fourier Transform source code, complete, suitable for beginners
jiachuangchazhiFFT
- 为了抑制频谱泄露和栅栏效应,对FFT加hanning窗并采用双谱线插值的方法提高算法精确度-In order to suppress the spectrum leakage and fence effect of FFT plus hanning window and double line interpolation method improves the accuracy of the algorithm
hanning
- fft汉宁窗 MATLAB程序 幅频特性的matlab实现 汉宁窗的产生程序,分析他们的幅度和相位响应(FFT MATLAB program Hanning window amplitude and frequency characteristics matlab program Hanning window, analysis of the amplitude and phase of their response)