通信信号处理课程项目，QPSK在AWGN传输中的检测性能~

详细比较了两个流行的网络模拟器opnet和glomosim的优缺点-A detailed comparison of two popular network simulator OPNET and the advantages and disadvantages of glomosim

CRC-16的编解码程序和仿真结果。统计了漏检概率随错误比特数目的曲线。-CRC-16 codec procedures and simulation results. Statistics of the undetected bit error probability with the number of curves.

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16位CRC校验原理与算法分析，很详尽，学习CRC16的重要资料。-16-bit CRC checksum algorithm theory and analysis, very detailed and important information to learn CRC16.

i hope useful for all student thanks

labview下的udp通讯，包括发送和接收，新手参考

一个很好的串口通讯代码，非常实用，功能及其强大，一定要下载- A very good string mouth communication code, extremely practical, the function and its is formidable, certainly must download

采用dsp汇编编写的RS485通信程序，非常简单实用-using dsp compilation prepared by the RS485 communication procedures, a very simple and practical

vs2005开发环境下面用C#编写的虚拟RFID串口模拟器。当接从串口收到一个数据的时候，工具自动回复一个你定制的报文串。前提是需要有虚拟串口。也可以手动向串口发送报文的功能。-vs2005 development environment written in C# using the following virtual RFID serial simulator. Upon receiving a data received from the serial port when the tool automatically go back to a string of your custom message. The premise that the need for a virtual serial port. You can also manually send a message to the serial port function.

SIP. Understanding the Session Initiation Protocol Second Edition.rar全面介绍SIP RFC3261-SIP. Understanding the Second Session Initiation Protocol Edition.rar introduced SIP RFC3261