ExtCertPathBuilderException

无线通信中MIMO信道容量OFDM信道防真，BPSK调制(MIMO wireless communication OFDM modulation channel capacity to prevent)

it s about beamforming

source code for direct sequence spread spectrum

火电厂主汽温系统扰动消除设计方法,很有用的文献(Main Steam Temperature System Disturbance canceling design, useful literature)

這是一個利用butter filter 的bandstop 來濾除原始訊號中有雜訊的方法，先轉為spectrogram觀察雜訊所分步頻帶與能量，再依照要濾除的部分作bandstopa(This is a use of bandstop butter filter to filter out the noise of the original signal has a method, the first step into a spectrogram observation noise and energy of the band, then follow to filter out parts for bandstopa)

这是使用射线跟踪法求解墙体造成误差的程序，分别有穿单面墙，平行双墙，垂直双墙的情况(This is to use ray-tracing procedure for solving the error caused by the wall, respectively, through a single wall, parallel to the double wall, vertical double-wall case)

数字图像处理,基于MATLAB 语言上万图像处理系统(DIGITAL IMAGE PROCESSORE AANDF)

The above file show the Independent componets analysis used in face recognisation

说明：  雷达回波的matlab模拟程序,用来产生雷达回波，非常好用的一个程序(Radar echo of matlab simulation program, which is used to generate radar echo )

matlab实现文件读取，波形处理，小波变换，文件保存。(use matlabe to read and write files, to process wave and to save files)