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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
FFT
- 由已知表达式画出原始波形和它的功率谱，并编制一个互相关函数程序，要求提取特定频率的成分，画出变换过程中的波形和功率谱。-Drawn from the known expression of the original waveform and its power spectrum, and the preparation of a cross-correlation function procedure that requires the extraction of specific freque
Phase_Correlation 基于OpenCV和FFTW实现的相位相关图像匹配程序
- 基于OpenCV和FFTW实现的相位相关图像匹配程序，需要OpenCV和FFTW库文件的支持。本程序并没有用到OpenCV中的DFT，而是用了FFTW中的FFT，所以速度要快很多。-Based on OpenCV and the FFTW implementation phase correlation image matching procedures, require OpenCV and FFTW library files. This procedure does not use Ope
xiangWeiCha
- 是一些 数字相关法的论文 1.FFT法与数字相关法在相位测量上的比较.pdf 2.采用数字相关法测量相位差.pdf 3.基于FFT谱分析算法的高精度相位差测量方法.pdf 4.基于Hilbert变换的相位测量法与数字相关测相法的比较.pdf 5.基于虚拟仪器技术和互相关原理的相位测量仪.pdf 6.数字化相位差测量算法的研究.pdf 7.相位差的数字化测量研究.pdf 8.虚拟仪器测量周期信号相位的仿真设计.pdf-Are some figures
CFFT
- 在CCS环境下，调用TI的DSPLIB FFT、IFFT函数的例子。 定义了正弦信号和方波信号，可以帮助DSP初学者理解DSPLIB FFT相关函数的调用。-In the CCS environment, calling TI DSPLIB FFT, IFFT function example. Defines a sinusoidal signal and the square wave signal that can help beginners understand DSPLIB FF
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 ...
paper04
- Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p
paper03
- Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p
dftregistration
- Efficient subpixel image registration by crosscorrelation. This code gives the same precision as the FFT upsampled cross correlation in a small fraction of the computation time and with reduced memory requirements
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
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.
Cross-correlation
- 基于labview8.6的FFT法测量低信噪比条件下两路方波信号的相位差，经测试，幅值测量精度和相位测量精度都很高-Based labview8.6 FFT method to measure the phase difference between the two square wave signals in low signal-to-noise ratio conditions, test, amplitude measurement accuracy and phase measurem
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.
correlate_liu
- 介绍了地震勘探中信号处理，将一道大容量数据进行分段FFT相关，提高算法的运算效率。C程序可在VC上编译通过，整个文件可在DSP6000上执行-Describes the seismic signal processing, will be a large-capacity data segmented FFT correlation algorithm to improve operational efficiency. C programs can be compiled by the VC,
phase-difference-detection-based-FFT
- 基于LabVIEW设计了相位差的检测程序，采用相关法、过零法、FFT法、频谱分析法四种方法，适合毕业设计。-LabVIEW design phase of the testing procedures, the use of correlation, zero-crossing method, FFT method, spectral analysis of four methods for graduation design.
fft-ifft
- fft_ifft傅里叶正逆变换，用c实现-To estimate the biased cross-correlation function
chengxu1
- 音频信号的分帧，fft，相关性分析。自己编的，可生成图像。其中也加了注释- Sub-frame of the audio signal, fft, correlation analysis
NCC-FFT
- 结合积分图及快速傅里叶计算归一化互相关，减少计算时间(Combining Integral Graph and Fast Fourier Method to Calculate Cross-correlation)