mapminmax

本文件包含了William Stallings编写的优秀教材Data and Computer communications的中文影印版，以及书中的课后习题答案(This document contains the William Stallings excellent teaching materials prepared by Data and Computer communications photocopy version of the Chinese, as well as after-school book answer Exercises)

说明：  我的matlab小作业，请各位同行多多指教(my Matlab small operations, please peer exhibitions)

本程序对rake接收机的仿真程序 在matlab simulink下实现，其信道模型采用802.15.3a信道，信源部分的采用UWB信号，最后通过计算snr与errorbitrate来说明rake接收机性能(this program right rake receiver in the simulation program under Matlab Simulink. its channel model used 802 .15.3 a letter, the source of the signal using UWB, Finally, with errorbitrate snr calculated to illustrate rake receiver performance)

Optimum MUD for DS-CDMA in AWGN Channel(Optimum MUD for DS-CDMA in AWGN Channel)

数据包络分析（DEA）CCR效率及任意型交叉效率matlab源码 (data envelopment analysis matlab code for ccr efficiency and cross efficiency)

finds zero crossings of a speech signal

说明：  最优化问题中分枝定界法求解整数线性规划问题(Optimization of branch and bound method for solving integer linear programming problem)

单服务台排队理论，到达时间间隔和服务时间都服从指数分布(mm1)

三维六光束光镊光阱力仿真gui,可计算介质中球形粒子所受到的光阱力(Three six beam optical tweezers optical trapping force simulation gui, spherical particles can be calculated by the medium of light trapping force)

3GPP LTE采用的信道仿真模型，目前在3GPP中的提案均采用这一种信道模型，源码是经过国外著名大学和公司联合完成的，极具珍藏价值。(3GPP LTE the channel simulation model, 3 GPP in the proposal were adopted this channel model. OSS was famous overseas universities and companies jointly complete the great commemorative value.)