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spectrum
- 给出正弦加噪函数，通过FFT,DTFT,做频谱变化，幅度谱和相位谱。-Sine plus noise function is given by FFT, DTFT, make changes in the spectrum, amplitude spectrum and phase spectrum.
myfft
- 自己编写的基为2的fft程序，输入为时间序列，输出为DFT序列-matlab code that can perform FFT based on radix-2 algorithm
RifeJane
- rife-jane频率插值算法,用于频率的估计,在FFT的离散频谱值上进行频率估计.-rife-jane frequency interpolation algorithm for frequency estimation, the FFT spectral values on the discrete frequency estimation.
fft
- 用C语言实现FFT算法，是基二的，并且用matlab测试过了是正确的。-FFT algorithm using C language, is the base 2, and tested the use of matlab is correct.
Psd_091024I
- Welch法功率谱密度 Psd自功率谱 是用改进的平均周期图法来求随机信号的自功率谱估计 采用信号重叠分段，加窗函数和fft算法等计算一个信号的自功率谱估计（PSD）-Welch法功率谱密度 Psd自功率谱 是用改进的平均周期图法来求随机信号的自功率谱估计 采用信号重叠分段，加窗函数和fft算法等计算一个信号的自功率谱估计（PSD）
Matlab_based_spectrum_analysis
- 基于Matlab的频谱分析,时域抽样定理,FFT的仿真以及应用FFT对典型信号进行频谱分析的方法。 -Matlab-based spectrum analysis, time domain sampling theorem, FFT of the simulation and the application of FFT on the typical signal spectrum analysis.
fftcircle
- 一个MATLAB的快速付立叶程序，fft计算平均周期-A fast Fourier MATLAB program, fft calculation of the average cycle
fft-matlab
- 包含4个关于快速付立叶变换的MATLAB编程实例-Contains four on the fast Fourier transform of the MATLAB Programming Example
bandpassfilter
- matlab通带滤波，是在频域内实现的，最好用于地震波，或其他一些信号逐渐衰减的情况-bandpass filter,used for strong motion data process for better. because the software carry out the filter function through fft
matlab
- fft分析：方法简单实用，希望能够帮助大家，大家可以参考一下-fft Analysis：very easy！
backproj
- BACKPROJ uses the filtered or unfiltered backprojection algorithm to perform the inverse Radon transform. The filter is designed directly in the frequency domain and then multiplied by the FFT of the projections. The projections are zero-padded to a
fft
- 这个是一个基于matlab实现傅里叶变换的一个小的程序，共大家学习使用。-This is a matlab-based Fourier transform to achieve a small program, we were learning to use.
fft
- 针对图像进行快速傅里叶变换，方便进行频频分析与处理。-Fast Fourier transform for the image, to facilitate frequent analysis and processing.
tool_image_6
- 基于fft和二进小波编写的二维小波多孔算法图像分解，效果不错-Fft and based on dyadic wavelet algorithm for the preparation of porous two-dimensional wavelet image decomposition, good results
soundsignal
- 将声音文件在时间轴上分割成几段，分别将段的秩序及某些段内的秩序颠倒，从而实现了对声音文件的加密。首先，先读取一个声音信号，对信号做1024点FFT变换，取完点之后，分成四个向量，四个向量组成一个矩阵，再对每一个向量进行转置，再重新整合，从而就实现了回密的过程。-Sound files on the timeline will be divided into paragraphs, each paragraph of the order and reversed the order of some
zoomfft
- 于MATLAB复调制ZOOM-FFT算法的分析和实现-In MATLAB complex modulation ZOOM-FFT algorithm analysis and implementation
FFT
- Matlab关于傅里叶变换的pdf资料 有用-Matlab program on the Fourier transform
1
- 信号分析处理的源程序，包括傅里叶变换、DFT、FFT、等的例程地对地导弹的-Signal analysis and processing of the source, including Fourier transform, DFT, FFT, and other routine ground-
2
- 信号分析处理的源程序，包括傅里叶变换、DFT、FFT、等的例程地对地导弹的-Signal analysis and processing of the source, including Fourier transform, DFT, FFT, and other routine ground-
grd_test
- xwch_test.m是主测试文件；biaoji.mat存放滤波器系数；xiangweicha.m用FFT计算相位差。 仿真框架为： 1.标记信号和双音信号续接作为发送信号； 2.对双音中一个频率分量的相位做偏移，再经过一个低通滤波器（引入线性相位，模拟收发不能同步测量现象）后，作为收到的信号； 3.用一个检测信号对收发信号进行相关运算； 4.画出收发信号以及相关处理后的信号。找出相关信号的那个尖点，从而推算出收发双音信号0相位点； 5. 输入0相位点位置，计算