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matlab,书上例程，仅用作参考，用于数组的重复显示(matlab, books, routines, only as a reference for arrays of repeated)

语音分帧程序，对一个语音信号进行分帧，并研究分帧后的短时能量和过零率特性(Voice framing procedures, a voice signal framing, and to study the sub-frame after the short-term energy and zero crossing rate characteristics)

基于凸优化 多小区用户和速率最大化算法，采用迭代算法(Maximization algorithm based on convex optimization community more users and rate, using iterative algorithm)

用matlab对FIR滤波器进行仿真，得到其特性曲线(Of FIR filter using matlab simulation, by its characteristic curve)

关于人脸识别中的ICA算法，用MATLAB实现(on the ICA face recognition algorithm in MATLAB)

kmeans聚类，用于时间序列无监督聚类(kmeans clustering for unsupervised clustering time series)

聚类算法，以及基于遗传模拟退火算法的聚类算法，优化聚类算法(Clustering algorithm, and the clustering algorithm based on genetic simulated annealing algorithm to optimize the clustering algorithm)

说明：  小波去噪指标-信噪比，用这个程序可以实现(Wavelet Denoising indicator- signal to noise ratio can be achieved with this procedure)

matalb/simulink model of half bridge inverter using PWM techniqui

接地技术最早是应用在强电系统（电力系统、输变电设备、电气设备）中，为了设备和人身的安全，将接地线直接接在大地上。由于大地的电容非常大，一般情况下可以将大地的电位视为零电位。后来，接地技术延伸应用到弱电系统中。对于电力电子设备将接地线直接接在大地上或者接在一个作为参考电位的导体上，当电流通过该参考电位时，不应产生电压降。然而由于不合理的接地，反而会引入了电磁干扰，比如共地线干扰、地环路干扰等，从而导致电力电子设备工作不正常。可见，接地技术是电力电子设备电磁兼容技术的重要内容之一，有必要对接地技术进行详细探讨。(Grounding technology was first applied in strong electric system (power system, power transmission equipment, electrical equipment), in order to equipment and personal safety, the ground wire directly connected to the earth. Because the earth capacitance is very large, under normal circumstances can be considered to be zero potential earth potential. Later, grounding techniques applied to extend the weak system. For power electronic devices directly connected to the ground wire on the ground or connected to a reference potential as a conductor, when the current through the reference potential, and should not generate voltage drop. However, due to unreasonable ground, but will the introduction of electromagnetic interference, such as co-ground interference, ground loop interference, resulting in power electronic equipment is not working properly. Visible, grounding technology is an important part of power electronic equipment EMC technology, it is necessary for grounding techniques disc)