用频率抽样法设计FIR滤波器。

Qt作为嵌入式领域的GUI已经越来越流行，对于初学者，尤其是linux的新手，往往遇到这样那样的问题，本文档用最易懂的语言一步一步带你走入Qt的世界。-As the field of Qt Embedded GUI has been more and more popular, for beginners, especially newcomers to linux are often encountered in this kind of problem, the document with the most easy-to-understand language, step by step with you into the world of Qt.

CRC校验TS流文件的的PSI信息表，分析TS流文件的PAT表、PMT表、SDT表（注意项目文件中没有TS文件，要运行程序需要加入TS文件，并简单修改文件OPEN函数的参数）。-CRC Checksum TS stream file information table of the PSI, analysis TS stream file PAT table, PMT table, SDT table (note that the project document did not TS files, to run the program need to join the TS file, and modify the file a simple function of the parameters OPEN ).

通信系统仿真原理与无线应用代码 是一本不可多得的仿真书籍 -Communication System Simulation Principle and wireless application code is a simulation of rare books

2004070213400424120SOCKET服务程序，从事SOCKET服务器开发-2004070213400424120SOCKET service procedures, engaged in the development of server SOCKET

售票系统代码及设计思想。本程序是我的一个课程设计，得到老师的肯定了。请放心，绝对原创！-ticketing system code and design ideas. This program was one of my curriculum design, be sure the teacher. Please be assured that absolute originality!

本篇文章是配合MICROCHIP公司以太网控制器ENC28J60使用的以太网协议栈，是一种TCP/IP协议的实现，可以非常方便根据系统建立自己的TCP或者UDP等连接！-This article is in line with the Ethernet controller MICROCHIP company ENC28J60 use Ethernet protocol stack is a TCP/IP protocol realize, according to the system can easily create your own, such as TCP or UDP connections!

generation of rectangular shape signal. for a rectangular shape of width 1, sinc result also included

为了增强BAN系统的抗突发能力和提高系统可靠性，应对经过扩频后的数据进行交织。交织器本质上并不改变信息的内容而是改变信息的结构，是把信道传输过程中产生的集中错误最大限度的离散化

这个是一个很重要的MODBUS工具，是外国人编写的，我们可以很好的用的-This is a very important MODBUS tool, written by foreigners, we can use a good

constructs girth-six column-weight three QC-LDPC codes