matlab_cdma

该程序仿真CDMA接收机的功能，包括解扩，解交织，信道编码(卷积码)，解码，信源编码(CRC)解码5个功能模块，生成用于数字基带传输的信号序列。 仿真CDMA发射机的功能，包括随机序列的产生，信源编码尾比特添加, 信道编码(卷积编码)，分组交织和扩频调制6个功能模块，生成用于数字基带，传输的信号序列，输出还包括用于解调所需要的信源编码尾比特值add_bits，交织器的尾比特值i_add_bits(CDMA receiver functions, including despreading, Xie intertwined, channel coding (convolutional codes), decoded, the source code (CRC) decoder five functional modules, production figures for the base band signal transmission sequence. Simulation CDMA transmitter functions, including random sequence generation, the source coding bit late add, Channel Coding (coding), a spread-spectrum modulation intertwined and six functional modules, production figures for the base-band, The transmission signal sequence, and the output is also included for the modems needed source coding bit value add_bits tail, interleaver value of the last bit i_add_bits)

客采集系统是由工作在顶级门户网站的几名资深高级工程师利用爬虫技术(蜘蛛机器人,spider)、分词技术和网页萃取技术，利用URL重写技术、缓存技术，使用PHP语言开发的一套能根据设置的关键词自动抓取互联网上的相关信息、自动更新的WEB智能建站系统。利用 博客采集系统(Customer acquisition system is working in top-level portal site crawler technology, the use of several senior engineers (spider robot, spider), sub-word extraction technology and web technology, the use of URL rewriting, caching techniques, the use of a set of PHP language development Key words can be set automatically according to grab the relevant information on the Internet, automatically updated WEB intelligent Station system. Acquisition system using blog)

说明：  使用MATLAB语言编辑产生瑞利信道模型，可用于多径效应仿真(The Rayleigh channel model is edited by MATLAB language, which can be used in multipath effect simulation)

说明：  .通过MATLAB软件写出用逐次超松弛迭代法解线性方程组的程序并运行结果。(MATLAB software is used to write the program for solving linear equations by successive over relaxation iteration method and its running results)

outlook的插件, 可以供初学者进行参考学习。(outlook s plugin)

说明：  很经典的Blog程序,呵呵，不错哦a !(Blog procedure is very classic, huh, huh, oh well a!)

利用windrose绘制海流过程曲线，对流向进行修正(Using Windrose to draw ocean current process curve and correct the current direction)

基于PN532NFC模块与STM32F10x的通信源码，可实现对NFC读写(Based on the communication source code between PN532NFC module and STM32F10x, it can read and write NFC.)

自己用fortran语言编写的六脉波桥路（晶闸管换流器）触发模块，与PSCAD中自带的触发模块做过对比，验证了正确性(Fortran language they used six pulse bridge (thyristor inverter) trigger module that comes with the trigger module PSCAD done verified by comparing correctness)

说明：  一步 教你熟悉MQ的基本概念。同事推荐的，希望对大家有帮助（4）(step MQ teach you familiar with the basic concepts. Colleagues recommended, and I hope to be helpful (4))