simple chat program, beginners can see, not masters!

Simulates the BER for BPSK modulation in Rayleigh channel

实现松下PLC与PC之间的通讯，对于需要自己开发通讯的人来说，有参考价值- Realizes between Matushita PLC and the PC communication, regarding needs the person which own develops the communication to say, has the reference value

串口调试源代码，自己动手已经实现，能够完成与单片机的串口通信-serial debug source code, has achieved its own hands, and MCU to complete the serial communications

采样率转换代码，在数字信号处理过程中，实现不同采样率系统的数据传送。-sample rate conversion code in digital signal processing to achieve different sampling rate of data transmission.

NS2的使用手册(英文版) NS官方的使用说明文档 包括TCL语言的介绍和NS仿真过程的介绍-NS2

串口调试助手,支持16进展和10进展通讯,支持多发送窗口,提供自动计算校验和功能-Serial debugging assistants and 10 support the progress of the progress of 16 communications, support multi-sending window, providing automatic calculation of calibration and functional

ppp协议英文文档.介绍ppp的和ldc等相关协议 好东西啊-ppp agreements English documentation. Ppp on the ldc and other related agreements, good things ah

这是一个232转485的实用电路图，大家可以 参考一下，如果有不对的地方可以提出来，我再做修改，欢迎大家前来查看，谢谢！

QAM 调制源代码 Modulation order -QAM modulation Modulation order source code

关于Brehsman 算法的改进，还请多多指教-on Brehsman algorithm, also requested the exhibitions