This procedure is a direct sequence spread spectrum packet simulation. Need matl...

中文RFC文件，无需翻译，对学习很有帮助！

IETF12号的文档，比较新，拿来共享给研究P2P和SIP的朋友-IETF12 issue of the documents, a relatively new and used to share research and P2P SIP friends!

通过电脑串口对89SXX型单片机编程，此为单片机端的程序-computer serial port right 89SXX type microcontroller programming, such as SCM side of the process

MFC界面的 API 串口通信 代码非常简单 一看就懂 采用一个线程接收数据，满足简单的开发需要 开发工具VS2005 

这是个经典的用api进行串口编程的例子- This is classical carries on the string mouth programming with api the example

如何使程序在运行时自动注册ActiveX控件 - DELPHI - 编程文档 - 编程论坛-How to make the program run automatically register ActiveX controls- DELPHI- Programming Document- Programming Forum

近日从网上下载一VB实现异步串口通讯的文章,很实用,特与大家共享.-recently downloaded from the Internet a VB asynchronous serial communication articles very useful, especially to share with you.

链路路径损耗包括距离相关的路径损耗，阴影衰落，快衰落和天线增益。仿真考虑了域频 和时域快速信道变化。在每个RB中，信道（TX和RX天线之间的链路）被假定为具有零均值的复杂性白高斯随机变量，这在RB的频率范围内（180千赫）和 1 毫秒的持续时间内是恒定的。相邻的RB和时间间隔之间的信道变动是独立的。

采用Log-BP算法的LDPC码译码仿真程序，给出了不同信噪比下误码率和误包率的统计图，用matlab和C（c-mex）程序分别编写，有详细说明和注释。-The use of Log-BP decoding algorithm for LDPC code simulation program is given a different signal to noise ratio and bit error rate under the packet error rate of the statistical map, using matlab and C (c-mex) procedures, respectively, to prepare, has a detailed description and notes .

USB设计需要的资料，包括：MINI USB接口尺寸封装，USB_debuger程序，usb定义。-USB-required information, including: MINI USB interface size packaging, USB_debuger program, usb definitions.