查询词典 circuit

Pass the Protel 99 SE software to become the electric circuit component diagram that we acquaint with to the electric circuit painting first, pass to electric circuit the pin definition of the machine piece, chase the component diagram conversion as the PCB knothole landscape of the emulation, can keep the finished product appearance that the view sees the whole system, convenience we make.

通过Protel 99 SE软件先把电路画成我们熟悉的电路元件图，通过对电路中器件的管脚定义，把元件图转化为模拟的PCB板的版图，可以直观的看见整个系统的成品样子，方便我们去制造。

The subject of the hardware circuits and software circuit combination of organic, car reversing alarm system to complete the design, but also through the design of the circuit system, learning and mastering the schematic to the PCB from the version of the whole process, the formation of sound design, as well as thinking , and by infra-red alarm car reversing the process of designing the software, application software design circuit training program's ability to participate in practical work for the future lay a good foundation for the design.

本论文把硬件电路和电路软件有机的结合起来，完成汽车倒车报警系统的设计，而且通过对电路系统的设计，学习掌握从原理图到PCB版的全部过程，形成完善的设计思路以及思想，并通过对汽车倒车红外线报警器的软件设计的过程，锻炼应用软件设计电路程序的能力为以后参与实际工作奠定良好的设计基础。

FIG. 7 is a timing chart showing a correlation between an operation timing of a receiver circuit and an operation timing of the PLL circuit in connection with the behavior of the frequency convergence of the PLL circuit.

图。 7是一个时序图呈现出相关关系的一项行动的时间，一个接收电路和一项行动的时机锁相回路涉嫌与行为的频率衔接的锁相环电路。

Exception: When the last receptacle or cord connector in a circuit protected by branch-circuit overcurrent protection rated 20 amperes is provided with a 15-ampere blade or pin configuration, the next to the last receptacle or cord connector is also to be loaded as required to result in a total circuit current of 20 amperes.

例外：当电路中的终端插座或导线连接器有分支过电流(20安培)保护时会有一个15安培的刀刃或针的配置。邻近终端插座或导线连接器也按要求负荷，最终的总电流为20安培。

Current limiting circuit breaker of the fast action is the use of short-circuit current generated by the electric circuit breaker contacts to promote the rapid action force.

限流的快速行动断路器是利用短路电流的电路断路器接触产生的推动力量迅速采取行动。

This paper will emphasize on analyzing these two problems, and make a driving board with TLP250, this driving circuit can drive four IGBTs.and its driving signal is produced according to the requests, each driving signal is separated rightly with only one power supply, this circuit can also prevent from overflowing or short-circuit and keeping bridge arm from connecting directly.

本文将着重分析这两个问题，并利用TLP250设计了一块模块驱动板，此板可以驱动四个IGBT。此板的驱动信号符合要求，每路驱动信号在电位上是隔离的，而输入电源只有一个，该电路还有过流或短路保护功能以及防止桥臂直通的功能。

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心的自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

This design is used for the control of the core SCM STC89C51 automatic drying rack, the system increases from SCM software PWM DC electromechanical drive L298 Road, humidity and photoelectric sensor signal acquisition circuit, LED display circuit, remote control receiver circuit, a power supply module .

本设计是采用STC89C51单片机为控制核心旳自动晾衣架，系统由单片机PWM软件加 L298驱动直流电机电路，湿度和光电传感器信号采集电路，LED显示电路，遥控接收电路，电源模块构成。

In this paper, for the single-phase earth fault occurred in one circuit of the double-circuit transmission line an adaptive distance protection approach for parallel double-circuit transmission line is proposed.

平行双回线结构的特殊性以及零序互感等因素造成距离保护继电器耐受过渡电阻的能力较弱，严重影响继电器的性能，传统的距离保护方法难以满足高压平行双回线的要求。

When the two convertors run concurrently, circulatory zero-sequence current of the shunt circuit between the convertors is restricted to be zero; circuit loss is accordingly reduced, and circuit components are protected.

当两个变流器同时运行时，抑制两个变流器间的并联回路环流零序电流为零，从而减小电路损耗，保护电路元件。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。