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matlab code for FDTD analysis in 3 dimension

can be usefull it report on OFDM principle and basic operation

说明：  该程序实现OFDM系统中块状导频的信道估计，块状导频用于时变较慢的多径信道，可以估计出每个载波上的信道传输情况。(The programme realizes channel estimation with block pilots.)

基于MATLAB开发环境的语音增强源文件~~(Enhance the source file based on MATLAB development environment for voice ~ ~)

pcm的coding代码,可以用来在语音编码中使用。(pcm code of coding， can be used at the use of speech coding.)

Algorithm Collectionsfor Digital Signal Processing Applications Using Matlab

Ii this file developing a sample website for elearning

本程序是关于大规模MIMO的一个简单程序，很容易懂。用仿真结果。(This procedure is a simple procedure for large-scale MIMO, it is easy to understand.)

在BCB平台上的语音端点检测程序，直接调用函数即可实现检测 而且标注清晰 返回的数据 为重新组合的语音！(In the BCB platform of voice activity detection program, call the function can be realized directly detect and mark a clear return to the data re-combination of voice!)

Replacement for normprod that correctly treats 0, Inf, -Inf in the weights.