一个带有子系统的PID仿真，基于Matlab Simulink

介绍一种采用半桥电路的开关电源，其输入电压为交流220V±20％，输出电压为直流4～16V，最大电流40A，工作频率50kHz。重点介绍了该电源的设计思想，工作原理及特点。-Introduction of a half-bridge circuit using the switching power supply, the input voltage for AC 220V ± 20, output voltage of DC 4 ~ 16V, maximum current 40A, operating frequency of 50kHz. Focuses on the design of the power of thought, working principle and characteristics.

设计一个语音解说系统，并且带有源代码和原理图及pcb图-Design a voice guide system, and with the source code and schematic and pcb diagram

问题描述 设计散列表实现通讯录查找系统，使得平均查找长度不超过2，完成相应的建表和查表程序。 -Hash table implementation to describe the design problem to find the system address book, bringing the average search length of no more than 2 to complete the construction of the corresponding table and look-up table procedures.

现代机器人学教材，北京邮电大学就是以此教材讲课。-modern robotics~

JAVA编程项目BBS需求分析报告，用于设计系统-JAVA Programming Projects BBS needs analysis reports for the design of the system

程控交换/数字信号处理，教程。非常详细了介绍了程控交换的原理-Program-controlled exchange/digital signal processing, tutorial. A very detailed introduction of the principle of program-controlled exchange

LC记事本1.00源程序 C++Builder4编写的记事本程序源代码-LC Notepad 1.00 C source Builder4 memo prepared by the source code

嵌入式WEB服务器的设计！！对嵌入式网卡开发有参考价值！-The design of embedded WEB server! ! Development of embedded network adapter reference value!

SP200S的的51烧录器资料和程序，还有原理图-51 of SP200S burner information and procedures, as well as schematic

小型连锁超市进销存系统的分析、设计与实现-small supermarket chains Invoicing System Analysis, Design and Implementation