检查串口是否联有modem

本人在测试与仪表通讯时写的简单的串口接受程序，对初学者有很大帮助-I tested with the instrument of communication when writing simple serial port to accept the procedures are very helpful for beginners

Gauss_generator利用参数（多普勒频移、系数、相移）生成确定的实高斯过程.m gaussian确定离散多普勒频移、系数、相移的程序.m Rice_generator在瑞利过程的基础上考虑视距分量，生成莱斯过程.m Suzuki_generator成确定型Suzuki过程.m Rayleigh_Doppler_multiPath.m Rayleigh_Doppler_singlePath.m rayleigh_Filter_Model.m pdf_cdf_gen.m test_rayleigh_pdf.m rayleigh.m-Gauss_generator use parameters (Doppler frequency shift coefficient, phase shift) formation to determine the actual Gaussian process. m Gaussian identify discrete Doppler frequency shift coefficient, Phase-shifting procedures. m Rice_generator in Rayleigh process on the basis of weight to consider the horizon, Rice production process. m-Suzuki_generator identified as Suzuki process. m Ra yleigh_Doppler_multiPath.m Rayleigh_Doppl er_singlePath.m rayleigh_Filter_Model.m pd f_cdf_gen.m test_rayleigh_pdf.m rayleigh.m

一个面向对象化的结构分析串口通信处理，非常好的说明串口通信-An object-oriented analysis of the structure of deal with serial communication, a very good description of serial communication

升余弦滚降系统的眼图和功率谱，滚降系数为0.5.发送码元取值为0、2.-Raised Cosine the eye and power spectrum, roll-off factor of 0.5. This code value for 0,2 billion.

CDMA概述,电信重组需要阿，很初级，很入门-CDMA overview of the needs of the Arab-Israeli telecom reorganization, it is primary, it is entry

GSM通信流程 介绍了GSM网络在通信中不同情况下的信令流程-GSM communication processes introduced in the GSM network in the communication under different circumstances of the signaling processes

origami A very exciting book

象棋c/s结构server端程序源代码，很好的通讯编程实例。-"chess" c/s structure server source code, a very good communcation programming example.

hi this is ofdm and its fading model

串行通信协议的软件侦测方法，用户可随意设定波特率等-Serial communication protocol software detection methods, the user can arbitrarily set the baud rate, etc.