查询词典 by-product circuit

The most ancient traffical light control unit was designed by digital electric circuit. With the development of science and technology,the traffic light which designed by electric circuit can not contain the increseing pressure of the traffical day by day,so we must find a new method to replace the control unit which is complex and worked insteady.

摘要古老的交通灯控制系统大多是由数字电路来实现的，随着社会经济的发展，数字电路交通灯越来越不能满足日益增长的交通压力，因此必须寻求一种新的方法来取代这种复杂而工作不稳定的控制系统。

The circuit of the control system is achieved by analog circuit completely,which is simple and practical.

本文根据电磁理论，分析了磁悬浮球控制系统的原理，建立了系统的数学模型，并在MATLAB下进行仿真。

Next the MCU control the interface circuit of telephone to accomplish simulated off-hook, then auto-dial by dial-up circuit of DTMF, and play the phonetic information which has been recorded beforehand by phonetic circuit, to tell the user of the emergency which has occurred so that they can take corresponding step on time.

当红外探测器检测到警情的时候，就会向单片机发出中断请求，再由单片机控制电话接口电路，实现模拟摘机，通过 DTMF 拨号电路实现自动拨号，并由语音电路通过电话完成播放预先录制好的语音信息，实现语音报警，来通知用户发生警情，以便让他们及时的做出相应措施。

This circuit faults is under the arm, bridge, no power transistor must therefore be adopted by isolating circuit or special driving power.

该电路的缺点是上、下桥臂的功率晶体管不共地，因此必须采用专门驱动电路或采用隔离电源。

A method for decreasing energy consumption includes obtaining relevant configuration parameter from system master control unit by user circuit management unit when device is started up and dynamically controlling operation mode of user circuit by user circuit management unit according to relevant configuration parameter as per preset configuration requirement when cyclic-scanning of user circuit is executed.

本发明提供了一种通过动态控制用户电路的工作模式来降低能耗的方法和系统，其中，该方法可以包括以下步骤：步骤一、当设备启动或相关配置参数发生更改时，用户电路管理单元从系统主控单元获取相关配置参数；以及步骤二、当执行用户电路的周期扫描时，用户电路管理单元按照预定配置要求，根据相关配置参数来动态控制用户电路的工作模式。

Detailly,signals of background magnetic field is filtered by fixed frequency of sample and hold circuit which is supplied by logic circuit,and the signals before objects appear are tracked dynamically which are then compared with the ones after objects appear by comparator circuit,in order to furthest obtain the signals of target magnetic field on the basis of background magnetic field compensation.

运用逻辑脉冲电路为采样保持电路提供固定频率滤除背景磁场信号，并对目标未出现时的信号进行动态跟踪，运用比较电路将目标出现前后的信号进行比较，从而在补偿背景磁场的基础上最大限度地获得目标磁场的信号。

Exception: A 15-ampere receptacle or cord connector supplied by a circuit that is protected by branch-circuit overcurrent protection rated 20 amperes is not required to be provided with additional overcurrent protection.

例外：15A插座或接线端子应用在额定电压20A的过流保护支路中，不须附加过流保护装置。

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。

The equivalent circuit of signal path of high frequency relay was built by extracting the parasitic capacitance, inductance and resistance of signal path, based on the classical transmission line theory and partial element equivalent circuit method.

通过经典传输线理论及部分元等效电路(partial element equivalent circuit，PEEC)方法，对高频继电器常闭型信号传输路径的分布电容、电感、电阻等参数进行提取，建立信号传输路径的等效电路模型。

As a rule, each felony trial court is presided over by a circuit judge, who is elected to a six-year term by the voters in that judicial circuit.

按规定，每个重罪初审法庭由一个巡回法官主持，该法官由该司法巡回的选民选举产生，任期6年。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。