IIR_digital_desigh

说明：  数据结构（耿国华版）课本源码，课本中的实例程序等。。。(the code of the book.)

说明：  SAR雷达的BP后向投影成像，可运行出结果(The BP back projection imaging of SAR radar can run the result)

说明：  polar code编译码 包括生成矩阵编码，SC译码算法，BER和BLER计算以及画图。(Polar code encoding and decoding It includes generating matrix coding, SC decoding algorithm, BER and BLER calculation and drawing.)

Turbo码的产生及研究现状 Turbo码编码译码 Matlab介绍及仿真结果(KEY WORDS channel-coding, Turbo-code, viterbi-decoding)

图形界面实现MQTT通信协议的演示例子程序。(This is an MQTT GUI Demo application,to show how to progrrame with MQTT.)

实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)

说明：  此文档中主要说明了基于Matlab的时间抽取基2FFT算法的一些注意事项以及程序是可行的。(In this document mainly describes the time taken based on the Matlab-based algorithm 2FFT some attention as well as the procedure is feasible.)

visual C++ MFC 环境下 串口的连接，收发数据的实现，串口探测工具部分功能的实现(Serial port connection)

公交非接触IC卡读写器的应用设计采用PHILIPS公司的Mifare卡作IC卡，设计以射频技术为核心，以单片机为控制器的IC卡读写器在公交自动收费系统中的应用。制作的IC卡读写器可以实现制卡、售卡、自动收费等功能，具有安全、实用、方便、快捷、可靠性高的特点，解决了城市公共交通服务行业既频繁又琐碎的收费管理问题，有广泛的应用前景。(Bus non-contact IC card reader applications designed using the Philips Mifare cards for IC cards, designed to RF technology as the core, microprocessor controller IC card reader automatically charges the transit system applications. The production of IC card reader card system can be achieved, A file, automatic charges and other functions, is safe, practical and convenient, fast and high reliability features to solve the urban public transport sector is also frequent charges trivial issues, a broad range of applications.)

并口通讯，通过并口控制打字机刻在自行车上，防止自行车丢失(Parallel port communication, and by the parallel port control typewriter engraved on the bike, to prevent the a bike to lost)