smithchart

The simulation based on the Matlab Simulink of the moden communication system.

minimum spacing between 2 carrier to be orthogonal

Maximum A Posteriori probablity (MAP) algorithm

小波包分析提取振动信号中的特征频率，利用自然梯度算法，有详细的注释。( Wavelet packet analysis to extract vibration signal characteristic frequency, Use of natural gradient algorithm, There are detailed notes.)

空时码中的STBC技术编码方案，包括采用2发1收天线和单发单收天线的源码(Space-time code of STBC technical coding schemes, including the use of 2-fat one received antenna and single antenna, single-source collection)

CDMA二代移动通信的Matlab仿真程序段，运行良好。(CDMA second-generation mobile communication segment of the Matlab simulation program, run well.)

find the center of gravity of speech singal.

异步电机的各种仿真模型，包括定子磁链模型、转子磁链模型，力矩计算模型等(simulation model of asynchronous machine)

This is about the code of polardb function to plot in polar coordinates

算屈服点，延性系数 采用matlab编写的 通用屈服弯矩法(matlab )