ichat

用c语言写的ldpc码的最小和算法译码程序。(The codes are about ldpc decoding,using min-sum algorithm by c++.)

迷宫的flash程序,动态演示出入栈的操作,对下正在学数据结构的同学有帮助(Labyrinth flash procedures, dynamic demonstration of the operation of stacks, for students who are learning data structure is helpful)

opnet学习资料，提供部分网络仿真模型。一:介绍OPNET 环境。二：执行M/M/1队列模型。三：以太网模型（Aloha，CSMA,CSMA－CD).四：TCP.五：OSPF(OPNET learning materials, providing part of the network simulation model. 1: Introduction OPNET environment. Second: The Executive M/M/1 queue model. III: Ethernet model (Aloha, CSMA, CSMA-CD). IV: TCP. 5: OSPF)

杨建国老师的通讯原理课件，第三章模拟信号的调制与解调，主要讲述信号产生与调制，射频特性，解调，MSK、GMSK、PSK、QPSK、BPSK、QAM等原理(Yang Jianguo teacher communication principles of courseware, the third chapter of the analog signal modulation and demodulation, and focuses on the signal generation and modulation, the RF characteristics, demodulation, MSK, GMSK, PSK, QPSK, as BPSK, QAM and other principles of)

用C语言设计数字滤波器,实现低通，带通，高通，带阻功能(Digital filter design using C language， to obtain Low pass, band pass, high pass, band-stop function)

PLC动态库 vb编程 支持s7-1200(PLC Dynamic Library Support s7-1200)

SIM卡为表示能够执行proactive command且支持SAT，它必须在文件EFphaseTKG EFsst中有相关数据。 Phase文件指的是SIM卡所支持的GSM标准的级数，值为3则指SIM卡支持GSM phase 2和设置下传功能（profile download)。SST文件包含支持哪些GSM性能的准确信息。(SIM card that can support the implementation of proactive command and the SAT, it must file EFphaseTKG EFsst have relevant data. Phase document refers to the SIM card supports the GSM standard series, a value of 3 means the SIM card supports the GSM phase 2 and settings transfer function (profile download). SST file which contains support for GSM performance of accurate information.)

实现多项式的加法和减法 并且实现一个多项式的运算(Realize polynomial addition and subtraction and the realization of a polynomial operator)

华为的gprs模块的使用教程，介绍的很详细，也适合其他gprs模块，非常适合开发使用

本程序计算了连续相位调制CPM的功率谱密度(The program calculates the continuous phase modulation CPM power spectral density)