本系统设计结合单片机STC89C51编程实现的遥控开关来控制家用电器，让人们用一台遥控器控制电冰箱、电风扇、饮水机等家电。本设计的核心是以单片机stc89c51，利用光电耦合器来检测小车的形式的速度和距离，利用led显示小车的运动的状态和行车里程，并且外加电磁蜂鸣器来警告已接收到遥控信号，本文着重介绍了该系统的硬件设计方法及软件设计的办法。-The system design coupled with the remote control MCU STC89C51 programming swi

环形定向耦合器的仿真设计 环形定向耦合器的仿真设计-Simulation design of the ring directional coupler

To design and analyze the characteristics of a directional coupler using ADS

三端口T型接头建模研究及高性能分支线耦合器设计-Three port T-connector and high-performance modeling of the branch line coupler design

The following examples are typical circuits used for reflective or transmissive assemblies. Consult the product pages for specifications on the individual assemblies you are using. The design should be capable of tolerating a 25% reduction in the