with vc series of the Short Message transceiver, a small and practical, welcomin...

MINIPCI 接口规范,包含物理,数据,等等内容-The Mini PCI Specification defines an alternate implementation for small form factor PCI cards referred to in this specification as a Mini PCI Card. This specification uses a qualified sub-set of the same signal protocol, electrical definitions, and configuration definitions as the PCI Local Bus Specification. Where this specification does not explicitly define PCI characteristics, the PCI Local Bus Specification governs.

Cypress Semiconductor makes a variety of PLL-based clock generators. This application note provides a set of recommendations to optimize usage of Cypress clock devices in a system. The application note begins with recommended termination techniques for clock generators. Subsequently, power supply filtering and bypassing is discussed. Finally, the application note provides some recommendations on board layout.

VB写的通过串口与考勤机连接通讯的程序-VB written attendance through the serial port connected with the communication procedures

数字滤波器的详细实用设计方法介绍，非常实用-Digital filter design method detailed practical introduction, very useful

基于VC6.0平台开发的文件传输控件，可以支持http、ftp传输，一次可以传输多个文件，可以传输超过4G的大文件，并且支持断点续传。工程为activex控件，可以直接嵌入到web浏览器中，支持自动下载安装盒升级更新。

编写WINDOWS通讯底层TCP-IP协议栈源代码.编译通过,好用.-WINDOWS communications underlying the preparation of TCP-IP protocol stack source code. Compilers passed, easy to use.

sd卡读写

主要利用迭代算法来获得预编码和干扰抑制编码矩阵，从而有效的消除干扰的技术

MIMO_OFDMMIMO_OFDM系统信道估计分析-MIMO_OFDMMIMO_OFDM system analysis of channel estimation