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3d-fdtd with upm ABC(3d-FDTD in matlab with upml ABC)

通信行业中的扩频通信技术使用广泛，该文档主要介绍有关扩频通信的相关知识。(communication sectors of the use of spread-spectrum communication technology widely, the document introduces the spread spectrum communication related knowledge.)

系统实时仿真开发环境与应用,主要讲解matlab RTW技术分上下两部分。(Real-time simulation development environment and application, mainly on matlab RTW technology was divided into two parts.)

Linear block code hamming 74

Matlab code for UWB communication

RS编译码的matlab码源，经测试好用。(RS codec matlab source code)

ambiguity function matlab code

用firgr函数设计的两种类型的FIR低通滤波器，( minorder/minodd )边界频率fre_edge=[0 .345 .575 1]*pi 显示幅频特性(Firgr function design with two types of FIR low-pass filter, (' minorder/minodd' ) boundary frequency fre_edge = [0 .345 .575 1]* pi shows the amplitude frequency characteristics)

matlab图像处理命令，集中了matlab图像处理函数,对初学者很由帮助.(Matlab image processing orders, concentrated Matlab image processing function, right from the very beginners to help.)

说明：  wcdma的多径环境下的上下行仿真，EITS标准，written by The Mobile and Portable Radio Research Group The Bradley rtment of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg, Virginia (WCDMA multipath environment downstream and simulation, EITS standards, written by The Mobile and Portable Radio Research Group The Bradley Department of Electrical and Computer Engineering Virginia Polytechnic Institute and State University Blacksburg, Virginia)