M

说明：  IEC 60870-5-101 通信规约英文版规范(IEC 60870-5-101-2003 Telecontrol equipment and systems Part 5-101 Transmission protocols)

串口通过modbaus协议控制继电器，读取开关输入的PC上位机源程序(Serial control relay through modbaus agreement, read the PC host computer switch input source)

说明：  51MODBUS从机程序源码希望对有用的人有用，，(51MODBUS,welcom to here,thank you very mouch.)

基本通信信号的产生于识别，AM FM 2ASK 2FSK 2PSK QPSK的产生。（时域图 频域图 基带信号频谱 ）以及分类的识别方法仿真模型(Basic communication signal arising from the recognition, the AM FM 2ASK 2FSK 2PSK QPSK generation. (Time-domain diagram frequency domain Figure baseband signal spectrum) and the classification of simulation models of the identification method)

线性调频连续波的雷达测距测速的两次FFT(Linear frequency modulation continuous wave radar ranging and speed estimation by twice FFT.)

dynamic mobile nodes

用DFT (FFT)对连续信号进行频谱分析(Spectrum Analysis of Continuous Signals Using DFT (FFT))

说明：  这是16QAM的仿真，带GUI界面，很好用的。(This is 16QAM simulation, with GUI interface, very useful.)

车载诊断仪，在线OBD，ECU通信协议技术规范，是诊断仪，ECU开发者必备文档 (Car diagnostic online the OBD ECU communication protocol technical specifications, diagnostic ECU developers required documentation)

说明：  51单片机MODBUS主机通信程序，平台KEIL4。使用MODBUS SLAVE测试成功。(51 MCU MODBUS host communication program, platform KEIL4. The MODBUS SLAVE test was successful.)