optimization

PCM编码把模拟信号转换为数字编码，在通信电路的目的地，脉冲调制解调器将二进制的数字编码重新转换成那些在调制器中有相同量子水平的脉冲。(PCM encoding to convert analog signals to digital encoding, the destination of the communication circuit, the binary pulse modem re-converted into digital code modulator in which the quantum level of the same pulse.)

1.二值图像的fft分析 2.显示频谱图像，频谱的零频率系数被移到频谱中间 3.填充矩阵填充后的情况比较 4.绘图直观形象(1. Binary Image fft analysis 2. Image shows the spectrum, Spectrum coefficient of zero frequency spectrum has been moved to the middle three. Filled Filled matrix compared to the situation after four. Mapping visual image)

以矩形窗实现stft，以循环语句实现窗的移动(Rectangular window in order to realize stft, in order to realize loop windows mobile)

matlab 工程数学应用——许波，刘征编著(Applied Engineering Mathematics matlab)

编制以M序列为输入时，脉冲响应的相关分析算法并检验。(The preparation of the M sequence as input, the impulse response of the correlation analysis algorithm and test.)

用matlab实现两类样本fisher算法，可以自己改变输入样本数，和判决样本，但是只分了两类，如果需要更多类在这个基础上研究一下就好(The matlab realize two types of samples fisher algorithm can change the number of input samples, and judgment sample, but divided into only two categories, if you need more class look like on this basis)

基于前推回代发的潮流计算 可计算网损和节点电压，节点有功无功(Calculate calculate net loss and node voltage, active and reactive nodes based on forward and backward substitution hair trend)

皮肤分割的简单matlab代码，是外国人写的，大家可以参考一下，完善完善(Description Simple matlab program for Skin segmentation MATLAB release MATLAB 7 (R14) Zip File Content Other Files license.txt, Simple Skin segmentation/1.jpg, Simple Skin segmentation/new.m )

TOPS alg method for linear array

BER simulation: A starter for beginners in digital communications. Really helps alot.