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4g technologies LTE WIMAX

lms echo cancellation

This is the rational fractional polynomial technique for extracting modal properties of a structure

这是一些关于人脸识别的MATLAB程序，主要对人脸清晰度的处理，可以使图形信息更加的清晰，希望对大家有好的方面(This is some of the MATLAB program on the face recognition, mainly on the treatment of facial definition, can make information more clear graphics, I hope all of you there are good aspects of)

用窗函数设计数字滤波器，对所给出的含有噪声的声音信号进行数字滤波处理，得到降噪的声音信号，并进行播放试听。(Digital filter design, the sound signal containing noise given digital filter processing sound signal to reduce noise and play audition.)

Smal program for NMEA observesion

巴特沃斯滤波器，切比雪夫滤波器，椭圆滤波器设计及比较，同样的设计参数指标，在同一张图中比较三种滤波器的幅频响应波形，并用统计图画出各滤波器所需阶数。(Butterworth filter, Chebyshev filter, elliptic filter design, the same design parameter index, with a figure in the comparison of three filter frequency response waveform, and use statistical picture of the desired order of each filter.)

back propagation with matlab

计算小波能谱熵的资料，很有用。计算小波能谱熵的资料，很有用。计算小波能谱熵的资料，很有用。(Calculating wavelet energy spectrum entropy information useful. Calculating wavelet energy spectrum entropy information useful. Calculating wavelet energy spectrum entropy information useful.)

IEEE六节点无功优化算法的matlab程序，以整个系统有功网损作为优化目标，通过改变节点注入无功以及变压器变比来求解所对应的有功网损，从而达到优化目标(IEEE six-node reactive power optimization algorithm matlab program, active power loss to the entire system as the optimization objectives, as well as injecting reactive power transformer to solve than the corresponding active power loss by changing the node, so as to optimize target)