一个通过opc通讯的源程序，是用dephi语言写的，比较实用

FSK信号的解调,FSK信号的解调中频fc为15MHz-FSK signal demodulation, FSK demodulation signal fc for the 15MHz IF

通信系统仿真原理与无线应用代码 是一本不可多得的仿真书籍-Communication System Simulation Principle and wireless application code is a simulation of rare books

ip路由选择-ip routing Contents Paragraphs Page

北邮的《通信原理》课件，希望对大家有所帮助-Beijing University of Posts and Telecommunications of the

实现双线性Z变换。-achieve bilinear Z transform.

涉及Fax/Mail/Voice通讯编程的一个程序 -An example of Fax/Mail/Voice communication programming

利用卷积编码和BPSK调制方式，关于高斯白噪声信道下信噪比与比特误码率关系的Simulink仿真-The use of convolutional coding and BPSK modulation on the Gaussian white noise channel ,the relationship between SNR and bit error rate using Simulink simulation

.高斯子函数（主要用于产生高斯滤波器矩形脉冲响应g(t)）还有相位计算函数（主要用于计算 ）-. Gaussian Functions (mainly used to produce rectangular Gaussian filter impulse response g (t)) are calculated phase function (mainly used to calculate)

zigbee网络中存在不同功能的节点，不同功能的节点组成一个组，从而减少通信，实现命令同步，zigbee通信方式有广播点播和组播，此时应用的为组播方式。 

详细介绍定制WinCE操作系统的一般流程PPT-Details of the general processes custom WinCE operating system, PPT