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用Fourier变换求取信号的功率谱---周期图法 用Fourier变换求取信号的功率谱---分段周期图法 用Fourier变换求取信号的功率谱---welch方法 功率谱估计----多窗口法（...
This is a package to calculate Discrete Fourier/Cosine/Sine Transforms of 1-dimensional sequences of...
This belongs to the imagery processing design proposal, the topic is the digital image Fourier trans...
A fourier filter for time-series signals. Does not require the Signal Processing Toolbox. There is...
FFTGUI Demonstration of Finite Fourier Transform. FFTGUI(y) plots real(y), imag(y), real(fft(y)...
Contourlet is a new approach in image transform. There have something better than Fourier and Wavale...
1，介绍了分数阶Fourier变换的意义并分析了现有的各种一维离散分数阶Fourier变换的算法，重点研究了Ozaktas等提出的量纲归一化算法。根据分数阶Fourier变换的数学及物理意义，将一维变...