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经典谱估计-周期图法 实现正弦波加正态白噪声信号的谱估计(Classical spectrum estimation- the realization of periodogram normal sine wave plus white noise signal spectrum estimation)

matlab源码，主要用于图像的区域分裂和合并，这里主要采用的是四叉树的算法。(matlab source code, mainly for the image of the region splitting and merging, here is the algorithm used quadtree.)

能求取放在M文件旁边文件的HU不变矩！经反复检验出错(Can strike the HU on the M-file next to the file the same moment!)

1）了解小波分解与小波包分解概念区别与联系； 2）了解小波包的分解和重构算法积； 3）用matlab编程对信号进行小波包分解及小波能量图的绘制。 (1) to understand the wavelet decomposition and wavelet packet decomposition of differences and relations between concepts 2) to understand the wavelet packet decomposition and reconstruction algorithms of product 3) the signal using matlab programming wavelet packet decomposition and wavelet energy mapping.)

阵列天线的波束合成，用的是7根天线的matlab仿真(The beamformer array antenna, using seven antennas)

一对外啮合直齿圆柱齿轮副的综合刚度计算，用matlab编程计算(A pair of external spur gears meshing comprehensive stiffness calculation, calculation with matlab programming)

这是一个无线接收机中的维特比译码程序，可供接收设计的朋友参考(This is a decoding program.)

TRF796x evaluation Board (Rev A1) Schematic

pst power system toolbox

说明：  简单的傅里叶变换代码 MATLAB 新手适用(T to F )