本文比较了宽带传输方案中SC_FDE系统与OFDM系统的性能

SIP消息之逐项讲解 SIP消息之逐项讲解-SIP news itemized on the SIP news itemized on the SIP news itemized on

generation of rectangular shape signal. for a rectangular shape of width 1, sinc result also included

数据传输，数字传输，或数字通信的物理数据传输（数字比特流）

支持多客户端的消息传递工具VB程序源码，推荐下载！-support multi-client messaging tools VB program source code, download!

我做项目用的GPS数据解析程序，很不容易调通，把数据解析出来了，用的还不错，敬请参考。初来乍到，请给些积分。

ComPort Library是一套用来编写串口通讯程序的控件。它包含5个控件：TComPort, TComDataPacket, TComComboBox, TComRadioGroup and TComLed。利用这些工具（当然还有DELPHI开发环境），你能更快更简单地开发串口通讯程序。包含Delphi上下文相关的帮助文件和源代码（4000行）。功能无限制。源代码：包含。适用语言：CB3 CB4 CB5 D3 D4 D5-ComPort Library is a set of procedures for the preparation of serial communication control. It contains five controls: TComPort, TComDataPacket, TComComboBox, TComRadioGroup and TComLed. Use of these tools (of course, DELPHI development environment), you can faster and easier development of serial communication program. Delphi contains context-sensitive help files and source code (4000 lines). Features unlimited. Source code: contains. Applicable language: CB3 CB4 CB5 D3 D4 D5

gprs接收系统。包括网络，数据库功能。-gprs reception system. Including network, database functions.

一个通讯库,非常好的. 一个通讯库,非常好的.-A communications library, very good. A communications library, very good.

这个是用于手机数据线串口测试程序的，配合我前面传的那套Phoneaction软件-this is the phone for serial data line testing procedure, tie-front software showing Phoneaction

matlab实现QPSK调制,分别给出了相位选择法和I Q两路正交调制相加发实现QPSK调制，给出了QPSK调制后的功率谱密度。