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说明：  本文档主要用matlab语言设计了FIR和IIR低通滤波器、高通滤波器和带通滤波器。(In this paper, FIR and IIR low-pass filter, high pass filter and band-pass filter are designed by MATLAB.)

低通滤波程序，通过傅里叶变换实现有一定相位差的滤波，滤波截止频率可设。(Low-passfilter program，)

说明：  计算北斗卫星PRN码的自相关和互相关，并且画图。(Calculate autocorrelation and cross-correlation of Beidou PRN code, and draw a picture.)

VC下的一个小计算器,可实现2,8,16,10进制功能.界面与系统自带的计算器有点类似-VC a small calculators, can be realized 2,8,16. 10-band functions. interface with the system to bring their own calculators somewhat similar

此软件是纯dos下运行 接一个待修的硬盘，软驱或者光驱启动 打hp执行，4次回车，然后按alt＋m 按R 按o 回车就行了，等着他自动修理了吧-this software is pure dos then running a repair of the hard drive, floppy drive or start playing hp implementation, 4th Enter, then alt by R+ m by o Enter on the line, waiting for him to repair it by now.

外国人编写的模型预测控制方面的教材，里边有很多关于状态空间模型的仿真实例以及仿真程序。(Foreigners written materials about the model predictive control, and inside there are many examples of simulation and emulation program on state space model.)

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TQ2440 测试程序,天嵌2440开发板的测试用源代码-TQ2440 test program

一个java毕业设计源码，模拟网络抓包的Java小程序，使用ACCESS数据库。

一些数学算法的实现-some mathematical algorithms to achieve the