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根据输入的调制方式对输入序列进行调制，完成对星座图的映射-According to the modulation input sequence of input modulation, the completion of the mapping of the constellation diagram

USB2I2C传输速度测试及使用例程,示例USB2IC的API用法。-USB2I2C transfer speed testing and the use of routines, examples of API usage USB2IC.

一个小的试验，通过在vb环境下设置串口并发送和接收数据的小程序。-a small trial, in vb environment and set up serial transmit and receive data of small procedures.

这是经过改进后的加法器源代码，改进后运算速度更快-This is the result of the improved adder source code, improved faster

一个mp3的编码和解码的源程序，可以了解到mp3的编解码原理-a program of coding and decoding mp3, you can know how mp3 codes from it.

VC++的USB接口编程源代码,完整的源代码。很不错的-VC++ The USB interface programming source code, complete source code. Very good

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摘要 TCP 软件一般位于操作系统的核心，这种情况给TCP 的研究和调试带来了很大的困难。 在Sun Solaris 平台上，我们使用系统提供的DLPI 接口和有关多线程的系统调用，构建了一 个TCP 调试系统，简化了调试过程。 关键字 TCP，调试系统，DLPI，多线程-Abstract TCP software at the core of the operating system. This situation TCP research and testing has led to great difficulties. Sun Solaris platform, We use the system to provide the interface and the TCP multithreaded system calls, built a TCP debugging system, simplifies the debugging process. Keywords TCP, debugging system, Solaris, multithreading

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程序利用了opc接口封包，已包含在压缩文件中-Procedures for the use of the opc interface packets, has been included in the compressed file