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DSP-protect
- 系统采用一阶差分与全周傅氏算法相结合的 值。通过一阶差分去除信号中的直流分量与低 信号中的高频分量，并将信号转换为相量表示-System uses the first difference Fourier algorithm with the whole week combined value. Removal of the signal by the first difference in the DC component and low signal in the high freq
kun_wg22
- 包含优化类的几个简单示例程序，利用matlab针对图像进行马氏距离计算 ,分数阶傅里叶变换计算方面。- Optimization class contains several simple sample programs, Using matlab to calculate the Mahalanobis distance for the image, Fractional Fourier transform computing.
matlab实现DCt
- 用MATLAB实现DCT水印算法。信号经过DCT后，从空间域变换到频域。是一种正交变换的方法。是图像处理中应用即为广泛的傅氏变换中一种特殊的情况（被展开函数是实偶函数，再离散化，即为离散余弦变换）。 同傅氏变换一样，有正反两种变换。(DCT watermarking algorithm is implemented with MATLAB.)
fft
- 利用傅氏级数展开法，对合成信号进行傅立叶分解,有限区间信号的傅氏级数展开定理(The Fourier series expansion method is used to decompose the synthetic signal by Fu Liye, and the Fourier series expansion theorem of the finite interval signal)
ElectricalDipole
- 时域有限差分法，通过计算大量频点，再做傅氏变换到时间域的一种三维有限差分的求解方法，希望能给大家提供帮助！(Finite-difference time-domain method, by calculating a large number of frequencies, do Fourier transform to the time domain of a three-dimensional finite difference method of solving, hoping to gi