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本程序是对雷达信号分选算法中的PRI变换所进行的仿真，主要针对3部重频固定的雷达进行信号分选(This program is the PRI transform radar signal sorting algorithm simulation focused on three important frequency fixed radar signal sorting)

Used to make fast Source Code for Andriod.

This code generate a sinusoidal, rectangular and triangular waveform.......

说明：  利用频率细化方位估计,水声信号处理中的一项技术 (use frequencies thinning DOA, acoustic signal processing technology in a)

The World’s Shortest Electronics Primer

用kmeans初始化em算法，并用高斯回归进行拟合，用于图想的聚类(Kmeans initialization using EM algorithm, and the use of Gauss regression fitting, used to map the clusterin)

此程序包含求任意点高斯积分节点和对应的Gauss的求解系数(同时也编写了Lagrange插值公式)(for this procedure include arbitrary point Gaussian integral node and the corresponding Gauss coefficient of the solution (also prepared Lagrange interpolation formula))

Simulation of rayleigh fading channel

实现图像的DCT高通、低通滤波器并与傅里叶变换做比较.有图可见，经DCT低通滤波后，图像变得很模糊。因为DCT是FFT取其实部，能量减少，因此图像变得很模糊，没有经FFT滤波后的效果好。 经DCT高通滤波后的图像： 经DCT高通滤波后，图像的低频部分被滤除掉，图像变黑，只有边缘的痕迹可见。 (The DCT of image high-pass, low pass filter and compared with the Fourier transform.)

This code include plot NURBSurface and B-spline.