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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
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.
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
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-
Theory-and-simulation-of-cazac
- 根据D.C.CHU和B.M.Pop提出的恒包络序列理论，自动生成任意长度的cazac序列，并且对该序列作相关和fft运算，验证cazac序列的特性。-According the constant envelope sequence theory proposed by D.C.CHU and B.M.Pop, automatically generated arbitrary length of the CAZAC sequence, and the sequence of the correl
test3171
- 基于FFT的自相关函数快速计算方法估计出自相关函数-Fast calculation method based on the FFT of the autocorrelation function is estimated from the correlation function
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.
SCFScatter
- 利用FFT求一个信号的谱相关函数，在论文Automatic Modulation Classification for Cognitive Radios Using Cyclic中有提到-Seeking a signal using FFT spectral correlation function, the paper Automatic Modulation Classification for Cognitive Radios Using Cyclic mentioned in
signals-analysis
- 常用信号分析程序，包括FFT，画包络谱，频谱，自相关、互相关，倒频谱，功率谱-Common signal analysis program, including FFT, painting envelope spectrum, spectrum, auto-correlation, cross correlation, cepstrum, power spectrum
OFDM_rece_matlab
- 接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。具体的帧结构，以及定时估计，频偏估计，剩余误差跟踪的算法可参考算法说明文档。这里对程序的流程进行说明。 首先根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。然后根据长训练字的特性，进行相关运算，进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后，先在时域进行小频偏的估计，将两个长训练字进行小频偏补偿后，进行FFT运算，根据FFT运算的结果进行整数倍频偏的估计
xxx1
- 应用matlab，使实测速度数据转化为频域值，采用FFT和非线性最小二乘法进行模拟，在应用相关函数得到功率谱。-Application matlab, so actual speed data into the frequency domain values, simulated using FFT and nonlinear least squares method in the application to obtain the power spectrum correlation func