查询词典 switches

The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper,and the time switches are designed.

介绍了用555定时器构成的单稳态触发器的工作原理，对其功能作了进一步探讨，在此基础上设计了一种具有实用价值的定时-非定时两用开关。

Due to their merits of low power consumption, low cost and high shock resistance, switches have a wide application in inertial monitoring system such as munition fusing, airbag system, etc.

利用MEMS技术研制的阈值加速度开关具有低功耗、低成本、过载能力高等优点，在惯性控制系统中有着广泛而重要的应用。

These switches reside in series with the negative terminal of the cell and the negative terminal of the battery pack.

居住在这些开关与细胞的负极和电池组的负极端子系列。

An input phase voltage is divided into a main range and a transition range in which new P, M, N conditions and PM, NP, MN transition conditions are defined, some null vector is selected and the condition combination sequence of bidirectional power switches are adjusted in each modulation period to realize the safe, reliable and rapid commutation and the stable operation of the matrix converter.

本发明属于矩阵变换器控制技术，为一种用于矩阵变换器的控制方法，通过把输入相电压划分为主区间和过渡区间、在过渡区间定义新的P、M、N状态和PM、NP、MN暂态以及在每个调制周期内选择特定的零矢量并调整双向功率开关状态组合顺序，实现矩阵变换器安全、可靠、快速换流和稳定运行。

PLC switches the actuators ON/OFF as the state of the sensor changes between ON/OFF.

PLC的开关致动器/关作为国家该传感器的变化之间的通/断。

Telephone companies are interested in deploying SS7-capable access switches to offer new services and to off-load the Internet dial-up calls from the voice network.

电话公司也对部署具有七号信令功能的接入交换机感兴趣，以提供新的服务和把因特网拨号通话从话音网络中解脱出来。

If using a switch card with Form C switches, this can be done by connecting an ohmmeter in place of the unknown source on each channel.

如果使用C型开关的开关卡，则可以连接一个欧姆表代替每一通道上的未知源。

The electrical switches conduct heavy current and have nonzero voltage across the switch in the on-state.

这个电子开关能导通大电流，并且在通态时有非零的压降。

The use of IGBT-based switches is a good solution with low losses for use at several thousand Watt and long lifetime, but the moment and speed of switching it from off-state to a on-state is very critical.

为了在数千瓦下使用时具有低的损耗并且具有长的寿命，使用基于IGBT的开关是良好的解决方案，但是其从关断状态切换到导通状态的瞬间和速度是非常关键的。

Through simulation and experiment, this paper studied the open-circuit fault diagnosis of the power switches in the inverter paralleling system.

该文通过仿真和实验，对无输出隔离变压器的逆变器并联系统功率管开路故障诊断进行了研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了