水下扩频系统研究，本系统采用直接扩频序列方式，在有多径水声信道和无多径的水声信道进行研究比较...

powerline communication 的 channel-powerline communication channel

VC关于串口的通信例程，可以刷新串口，设置超时时间，属于比较基础但是很规范的串口通信代码

WLAN的ofdm仿真系统代码，包括信道估计、同步等-WLAN ofdm simulation system code, including channel estimation, synchronization, etc.

直接扩展频谱通信系统的伪随机码相位和频偏的串行捕获程序。-Direct spread spectrum communication system of pseudo-random code phase and frequency offset of the serial capture program.

串口通讯的一个DELPHI控件，把它加入到你的窗口中修改它的属性就可以实现串口通讯-DELPHI a serial communication control, to add it to your window to modify its properties can be achieved Serial Communication

基于C51及SL811读写U盘的开发文档资料,包括芯片数据手册,测试命令及测试工具,电路原理图,配合基于C51及SL811读写U盘的源程序C51_SL811_ModeDisk_Program就可以产生完整的U盘读写模块-Based on the C51 and U disk read and write SL811 development documentation, including the chip data sheet, test orders and test tools, circuit schematics, with the SL811 to read and write based on the C51 and U disk C51_SL811_ModeDisk_Program source can produce a complete U-disk read-write Module

详细介绍PIC单片机使用SPI方式与IC卡进行数据传输的原理和电路设计，以及使用USART方式与PC机进行串行异步通信的工作原理；介绍PIC单片机听SPI方式和USART方式的设置方法。-PIC detailed the use of SPI with Single-chip IC card for data transmission principles and circuit design, as well as with the PC using USART serial asynchronous communication for conducting the working principle to listen to introduce single-chip microcomputer PIC mode and SPI mode USART Ways settings.

Understanding WiMAX Model Internals and Interfaces

MMSN最早的针对无线传感器网络的固定信道分配的多信道MAC协议-MMSN the first wireless sensor network for the fixed channel assignment of multi-channel MAC protocol

OFDM的基本原理及FFT实现,一篇参考文章，写的不错-The basic principles of OFDM and FFT realization of a reference article, written by a good