介绍了QAM调制的星座图，对于学习QAM调制的有一定的指导意义。-Introduction of the QAM modulation constellation diagram for QAM modulation of learning have a certain significance.

the spectrum of the OFDM symbols in time domain

是基于消息传递系统的传输. 发送信件到一个油箱里,然后接受方可以接收从那个油箱取邮件-is based on the messaging system of transmission. Send a letter to the tank, then the recipient can receive from the fuel tank from which mail

巴特沃斯滤波器代码的C语言实现。适合初学者了解IIR滤波器的涉及原理及使用-Butterworth filter code, C language. IIR filter is suitable for beginners to understand and use involving the principle

演示利用 Matthew Curland的内存映像模块实现内存共享，进程间通讯、发送数据

单片机控制步进电机，单片机开发的朋友主义了-SCM stepper motor control, microcontroller development of the doctrine of friends

802.11B在物理层上的仿真,DBPSK调制-802.11B in the physical layer simulation, modulation DBPSK

利用osip协议栈开发的测试程序，简单实现了UAS的呼叫功能-Use oSIP protocol stack developed test procedure, a simple call to achieve a functional UAS

无线网络设备天线设计相关,对设计无限射频网络的朋友有帮助。-antenna antennaantennaantennaantennaantennaantennaantennaantenna

一个非常example的minimal http服务器，用非常纯粹的c++完成，可以作为学习c++和socket编程的最佳例子!-example of a very minimal http server, with very pure c completed, could serve as learning c socket programming and the best example!