移动电话频率选择开关，对于手机信号接收与发射有很重要的作用...

中文RFC文件，无需翻译，对学习很有帮助！

编码器工作原理绝对脉冲编码器:APC 增量脉冲编码器:SPC -goode werf sdfvsdf wqete gerg

北京邮电大学关于移动通信和3G方面培训的文档。-Beijing University of Posts and Telecommunications on 3G mobile communications and training documents.

the vhdl model of usb. it is very helpful.-vhdl model of the usb. It is very helpful.

一款可以检测USB通信数据的工具及其代码，里面有三种方式（报告、特征报告和读写文件的方式）来测试HID通信PC TO HOST AND HOST TO PC 的数据，我在模拟HID接口时受益非浅。在XP VS2003 环境下面测试通过！这里希望能达到抛砖引玉的作用！-one can detect USB data communication tools and code, which has three methods (report, Feature reports and documents through the reading and writing) to test communications HID PC TO HOST AND HOST TO PC The data, I simulated HID benefited greatly from the interface. In XP VS2003 below the test environment! Here hope to get feedback from the role!

串口通讯控件，应用于delphi环境，RS232 串行口通讯构件 ( 1.1 版，附源码 ) -serial communication control, and applying the Delphi environment, RS232 serial port communication components (version 1.1, with source)

用OPNET来仿真无线网络,可以基本实现无线的功能-Use OPNET to simulate wireless networks, can basically achieve wireless functionality

多天线的角辐射功率演示,包括2种天线阵,1为线性真,一为任意布置.-A MATLAB GUI platform for displaying the radiation pattern of a narrowband beamformer with user-defined array geometry. User can specify the array geometry, directions of incoming signals, noise level, and the types of beamformer by mouse clicks. Useful for gaining insight about collaborative beamforming in sensor networks and random arrays.

turbo codeing and encodeing

Texas Instruments serial boot loader for MSP microprocessors.