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通过插图详细解说了用modelsim仿真VHDL程序的过程，适于初学者。(Through the illustrations a detailed explanation of VHDL using modelsim simulation course of the proceedings, suitable for beginners.)

学习用Unity3D开发的基础文档，内含各种API(This is a basic document for us to learn Unity3D development)

可以隐藏信息和读取。用LSB算法的。代码长度不长。VC++环境下(to hide information and read. LSB algorithm used. Code length is not long. VC environment)

现代微波滤波器的结构与设计 一本非常经典的书，对从事滤波器设计的朋友很有帮助.(Modern Microwave Filter Design)

tc环境下编写的记事本源代码，如有不完善之处，欢迎大家指导。(tc environment, origin notes written in code, if any imperfections, we are happy to guide.)

说明：  专门用来识别红色的aruco码，区分blob(Special recognition of red aruco codes)

清华大学.计算机组成原理。课堂ppt，帮助自学的人。要自学组成的可以看看(Tsinghua University Computer Organization Principles. Classroom ppt, helping learners. To be able to look at the self-composed)

NS2入門指導 有助于初学者了解NS2，真的对新手有所帮助(Getting Started guide will help beginners understand the NS2, really help the novice)

4—20mA电流变送器设计电路，说明的非常详细。保你一看就会。(4-20mA current transmitter circuit design, described in great detail. Will ensure you a look.)

肖特基二极管使用说明,很详细的,一定好用(Schottky diodes for use, very detailed, must use)