这是一个OFDM自适应调制和编码的好文章，写的…

资源描述代码的原理是将所有的好友全部拉入群组，如果拉不进来，表明对方将你删除了

一个modbus的测试工具，包括了rtu方式和ascII方式-a test tool for modbus,both rtu and ascii

此程序根据不同的场景采用对应的方法预测无线通信中的链路信噪比，根据预测信噪比选择合适的编码效率和调制阶数进行链路自适应，以此应对过时信噪比对系统性能带来的恶劣影响。

国家FSK标准协议(中国来电显示标准FSK5式)没有密码-national standard protocols (China CND standards FSK5-) No Password

用VB进行串口实时数据采集-using VB Serial Real-time Data Acquisition

ssl加密通信的客户端和服务端程序，包括安全证书的认证（linux）-ssl encrypted communications client and server-side procedures, including safety certificate authentication (linux)

使用Jakes所假设的模型，用来产生信道抽头延迟线模型中的抽头增益过程所需的多普勒频谱成形滤波器有多种实现方法。时域FIR滤波器是最常用的一种实现方法。-Assumed the use of Jakes model, used to generate the channel-tap-tap delay line model of the process gain the necessary Doppler spectrum shaping filter has a variety of implementations. Time domain FIR filter is an implementation of the most commonly used method.

Turbo C编写的串口测试程序，可作主板维修时调试和测试串口使用。-Turbo C, prepared by serial testing procedures can be used for motherboard repair debugging and testing serial port to use.

生成2KHz和8KHz的混合信号，使该信号通过上述滤波器，观察滤波前后的波形变化和频谱分布情况。-2KHz and 8KHz generation mixed-signal, so that the signal through the above-mentioned filter, filter before and after observation of the waveform and spectrum distribution of the changes.

通信原理课程设计软件部分，用vb实现曼彻斯特编码，HDB3编码和PCM13编码，并显示编码图形-Communication Theory course design software, using vb realize Manchester encoding, HDB3 encoding and encoding PCM13, and display graphics encoding