用IIR滤波器实现去除信号中的直流分量.用很少的资源实现去除直流分量的功能。...

chat system.where client and server caneasily connected

中文RFC文件，无需翻译，对学习很有帮助！

This system written in VB6. It should how to communicate using serial com port. It s good for reference

介绍计算机上实现gsm modem短消息收发的模式，描述gsm modem PDU 模式，包括PDU 模式下的gsm modem模块UCS2 编码、解码原理，以及gsm modem发送与接收PDU 串的编制方式， VB 中的MSCOMM 控件，实现gsm modem短消息收发的核心内容。-briefed on computer modem gsm SMS transceiver model, described GSM modem PDU models, including the PDU mode GSM modem module UCS2 encoding, decoding principle, and GSM modems send and receive PDU Series presentation, the VB MSCOMM Control and achieve short GSM modem news transceiver core content.

delphi下的CRC8,CRC16,CRC32算法的例子,直接拷贝代码就可以使用了,可省去晦涩的研究.-delphi the CRC8, CYXLIC REDUNDANCY, CRC32-algorithm example, directly copy code can use it, can be saved obscure research.

J1939 Basic Seminar doc

三篇关于Viterbi FPGA编译码器的优化设计文档： 1、Viterbi译码器的FPGA设计实现与优化.pdf 2、Viterbi译码器的低功耗设计.pdf 3、基于FPGA的高速并行Viterbi译码器的设计与实现.pdf-3 on the Viterbi FPGA optimization codecs design documents: 1, Viterbi decoder FPGA Design Implementation and Optimization. Pdf2, Viterbi decoder, low-power design. Pdf3, high-speed FPGA-based parallel Viterbi decoder Design and Implementation. pdf

源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation

power sampling in noise . u can test it .its my first code i hav uploaded

QPSK在AWGN传输中的检测性能 QPSK在AWGN传输中的检测性能-QPSK AWGN