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dft.rar
- 基于OpenCV的源码， 实现了利用DFT离散傅里叶变换计算图像的功率谱。,OpenCV based on the source, the use of implementation of the Discrete Fourier Transform DFT calculation of the power spectrum image.
power-spectrum.rar
- MATLAB产生随机信号，计算相关函数，估计功率谱,MATLAB，random-signal，auto-correlation，power-spectrum
Periodogram
- 利用周期图法对序列进行功率谱估计，数据窗采用汉明窗-Sequences using periodogram method for power spectrum estimation, the data window with Hamming window
narrow-band
- 该代码实现产生一个窄带随机信号，该信号的自相关函数及其功率谱图形。-The code generates a narrow-band random signal, the autocorrelation function and power spectrum graphics.
work
- matlab,功率谱估计，包括PSD,DFT,最大熵等方法-matlab, power spectrum estimation, including PSD, DFT, such as maximum entropy method
spectralanalysis
- 谱估计（建立二阶AR模型）、利用FFT求解功率谱估计、利用AR模型的Yule-Walker方程求解模型参数等-Spectral estimation (the establishment of second-order AR model), using FFT to solve the power spectrum estimation using AR model of Yule-Walker equation model parameters such as
comparison-of-some-power-spectrum-estimation
- 这里几种功率谱估计方法，对它们的性能进行了比较，可供参考！-Here several methods of power spectrum estimation of their performance are compared for the reference!
chap08
- ex6_1 ～ ex6_3二项分布的随机数据的产生 ex6_4 ～ ex6_6通用函数计算概率密度函数值 ex6_7 ～ ex6_20常见分布的密度函数 ex6_21 ～ ex6_33随机变量的数字特征 ex6_34 采用periodogram函数来计算功率谱 ex6_35 利用FFT直接法计算上面噪声信号的功率谱 ex6_36 利用间接法重新计算上例中噪声信号的功率谱 ex6_37 采用tfe函数来进行系统的辨识，并与理想结果进行比较 ex6_38 在置信度为0
fft
- 本文件包含三个小程序，分别为用fft实现功率谱估计、实现快速卷积和快速相关。对了解fft在c中的编程很有帮助-This document contains three procedures were used to achieve power spectrum estimation fft, fast convolution and fast correlation. Fft to know programming in c in the helpful
powerspectrum
- power spectrum, just input the signal-power spectrum, just input the signal....
ruiliclutter
- 产生功率谱为高斯谱的瑞利杂波，并画出图形-Have a power spectrum for the Gaussian spectrum of Rayleigh clutter, and draw graphics
3
- 典型时间序列模型分析 设有ARMA(2,2)模型， X（n）+0.3X(n-1)-0.2X(n-2)=W(n)+0.5W（n-1）-0.2W(n-2) W(n)是零均值正态白噪声，方差为4 （1）用MATLAB模型产生X（n）的500观测点的样本函数，并会出波形； （2）用你产生的500个观测点估计X（n）的均值和方差； （3）画出理论的功率谱 （4）估计X（n）的相关函数和功率谱 -Analysis of typical time series model w
ref
- matlab实现的AR功率谱估计，ARMA功率谱估计。-matlab realized AR power spectrum estimation, ARMA power spectrum estimation.
PsdEstimation
- 使用MATLAB对平稳随机信号以改进的功率谱法（welch法）以及Thomson多窗估计法（Thomson Multitaper Method）做功率谱估计的源代码-Pairs of stationary random signals using MATLAB in order to improve the power spectrum method (welch France), and the Thomson multi-window estimation method (Thomson M
wavelet_power_spectral
- 基于小波变换的功率谱估计MATLAB仿真代码，包括小波变换的基本原理实现，mallat算法的实现，经典功率谱和现代功率谱估计的主要方法仿真比较。-Based on wavelet transform power spectrum estimation MATLAB simulation code, including the basic principles of wavelet transform to achieve, mallat Algorithm, classic and modern
Spectrum
- function [f,Py,w,fp,Pmax]=spectrum(ug,dt) spectrum Compute the one-sided psd from the power spectrum refer to the help of fft and periodgram.m. codied by Dr. Ping TAN June, 2005- function [f, Py, w, fp, Pmax] = spectrum (ug, dt) spectr
FFTandPowerSpectrumUnits
- this vi calculates the fft and power spectrum of a signal
power-spectrum
- 可同时实现多幅图片的傅里叶能量谱统计与分析！得到相应通道能量的信息！-Multiple images to achieve the power spectrum of Statistics and analysis!
Scrosspectrum
- Subroutine for continuous cross spectrum analysis of two one-dimensional series x(i) and y(i) (i=1,...,n). Input parameters and arrays: n,m, x(n), y(n), n: number of data m: biggest lag time length. Generally, m is between n/3 and n/10.
Signal power spectrum based on FFT
- 通过labview 对信号进行分析，主要包括基于FFT求信号功率谱(The signal is analyzed by LabVIEW, mainly including the signal power spectrum based on FFT)