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说明：  QQwry IP数据库，用于判断IP所属地区，2019版(QQwry IP Database, Used to Judge IP Areas, 2019 Edition)

在MTI抑制杂波部分可能用到的原理，对应的MATLAB实例。对比单延迟对消器与双延迟对消器幅度响应。(the comparison between amplitude response of single canceler and double canceler)

NetFire - Personal Firewall (UI ONLY FOR NOW) This is just the UI with everything ready in place, im about to start programming the actual protection part now :D hehe...just thought i would upload this to see what people thought of it. includes: - TrayIcon with menu - Custom User button control (Not my code, but updated) - Log file creation - more coming soon :) hehe Firewall will: Block incoming and outgoing connections Block by rules, program control (crc) AutoBlock Suspected attackers Update feature Create program control rules more to come...when i think of them please comment and request any features you think should be added :) thanks

说明：  stm 32 F407内部输出0-3.3V的电压可控的三角波，(Realization of triangle wave by STM 32)

说明：  基于Simulink搭建的SVPWM仿真模型，可供学习(SVPWM simulation model based on Simulink, available for learning)

J2EE网络书店系统 采用JSP , servlet ,javabean开发 初学者可以参考-J2EE Bookstore network system uses JSP, servlet, javabean development beginners can reference

说明：  这是一个非常好用的串口虚拟文件源代码，我使用过非常多次了，非常的好用。(Application of serial port communication in the virtual reality system based on VB)

可计算的一般均衡模型程序，在GAMS上运行(CGE equilibrium:Computable General Equilibrium;It aims to provide a modle to users on economic research or acdemic purpose.)

NodeMcu Ｌ293Ｄ　电机驱动扩展板，使用方法(Node McuL293D Motor Drive Extension Board, Use Method)

汉诺塔问题的递归求解.利用递归思想简单解决方法.(Recursive Tower of Hanoi problem solving. The use of recursive thinking of a simple solution.)