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Matlab_基于FFT的图像配准
- 简单的用相位相关法来粗估计图像间的平移参数-simple phase correlation method used to estimate the image of rough translation parameters
matlab-signal
- 用c语言实现下列的数字信号处理算法 1．离散傅里叶级数合成连续周期信号 2．DIF FFT 测试程序 3．将输入数据的幅度画出图形 4．使用FFT实现快速卷积 5．使用FFT实现快速相关 6．取样混迭演示程序 -language used to achieve the following digital signal processing algorithms 1. Discrete Fourier series synthetic signal two conse
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
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
TP2_PROGRAMMATION_MATLAB
- CONVOLUTION AND INTER CORRELATION AND FFT OF SOME SIGNIALS : port, tri, sinc -CONVOLUTION AND INTER CORRELATION AND FFT OF SOME SIGNIALS : port, tri, sinc ...
cazac
- 根据D.C.CHU提出的计算CAZAC序列的算法，计算出CHU序列的matlab程序。包括自相关函数，FFT变换后的CHU序列，以及CAZAC序列的一些特性，还提供D.C.CHU的算法原文-According to the calculation made by CAZAC sequence DCCHU algorithm to calculate the CHU sequence matlab program. Including the self-correlation function,
matlab_correlation_frequency_estimate_powerspectru
- 此MATLAB程序用于自相关函数的估计（包括直接法和FFT法），信号的频率估计（包括MUSIC, ROOTMUSIC，ESPRIT和MVDR）和功率谱的估计（包括LevinsonDurbin迭代法，BT法和周期图法），并附带相应的仿真图以便于对比-MATLAB for correlation estimate :direct and FFT transform frequency estimate of signals:MUSIC, ROOTMUSIC，ESPRIT和MVDR power spe
ERCoh2
- 对脑电信号进行滤波、快速傅里叶变换（FFT）及自相关、互相关计算，以观察每一通道脑电的相关性-On EEG filtering, fast Fourier transform (FFT) and autocorrelation, cross correlation calculation, in order to observe the correlation of each channel EEG
autofam
- The M-file computes the spectral correlation function or cyclic spectral density using the FFT accummulation method.
1
- FFT法与数字相关法在相位测量上的比较，个人感觉还是FFT要好点。-FFT and digital correlation method to measure the comparative phase, or a personal feeling better point FFT.
xianhao
- 北航信号与测试技术实验 基本信号的时域频域分析 FFT变换 自相关互相关变换 matlab源码 以及实验结果图-Northern Testing experimental data signal and the signal in time domain frequency domain analysis FFT, autocorrelation and cross-correlation transform matlab source results map
auto
- 主要进行快速自相关计算，主要基于FFt和ifft技术-Mainly for fast auto-correlation calculation, mainly based on FFt and ifft Technology
PN2048_FFT4096_Sim
- fft计算相关函数，验证4096点的FFT快速捕获算法(理论仿真)-fft calculation of correlation function, verify the 4096-point FFT algorithm for fast capture (theoretical simulation)
Sparse-decomposition
- 实现信号的稀疏分解，基本的分解，优化为互相关，再优化为fft-Realization of signal sparse decomposition, basic decomposition, optimization of cross-correlation, optimization for FFT
SSDXCORR.m
- a method to calculate the sum of square differenes using the normalised fft cross correlation
fft
- 利用matlab实现功率谱估计中的间接法，不是通过函数调用实现的，是根据算法的思想，一步一步实现的，文件夹中还有实现自相关的算法-Using matlab to achieve the indirect method of power spectrum estimation, not by function calls, is based on the idea of the algorithm, step by step, the folder also auto-
haar-fft
- 本程序求相关性K值大小，采用傅里叶矩阵和haar矩阵内积。-The procedures for seeking the size of the K value of the correlation, the use of the Fourier matrix and haar matrix of inner product.
FFT
- 对一个含有多次谐波的信号作FFT变换，利用相关分析法提取它的工频信号。-For a signal containing multiple harmonics for FFT transform using correlation analysis to extract its frequency signal.
fft-ifft
- fft_ifft傅里叶正逆变换，用c实现-To estimate the biased cross-correlation function
第二章-平稳随机过程的谱分析
- 介绍了平稳随机过程及功率谱相关理论 ● 傅里叶变换能否应用于随机信号？ ● 相关函数与功率谱的关系 ● 功率谱的应用 ● 采样定理 ● 白噪声的定义(The stationary random process and the theory of power spectrum correlation are introduced.)