petri

说明：  城市环境的过程式建模技术研究。。。。。。。。。。(The process of urban environment modeling technology research of)

数字信号处理 丁玉美，标准课件，PPT形式 很实用(Ding Mei, digital signal processing, standard software, PPT form very practical)

This matlab code is to make understand the concept of space time block codes in mimo wireless communication system

matlab 实现数据的短时傅里叶变换 自己测试通过(short time Fourier transform matlab achieve data test by)

water marking of an image.you can use the code.please try to run the code

该源码是一些代码程序，现上传上去望大家指正(The source code is a number of procedures is up hope you upload correction)

MIMO-ODM wireless communication systems matlab code

滤波程序算法，MATLAB编写，具有一定的参考价值(Filtering program algorithm, MATLAB writing, has a certain reference value)

考虑了基站通过多个中继与多个用户的问题，基于背包问题提出了最优功率分配。(the optimal power allocation is presented based on knapsack problem for a system with a base station communication with multiple users assisted by multiple relay.)

这是一个电力系统谐波检测的MATLAB仿真模型，采用的是基于瞬时无功功率理论的pq法，效果很好(This is a power system harmonic detection MATLAB simulation model, based on the use of instantaneous reactive power theory pq method, the effect is very good)