及电路

The working process and situation of the tube of constant current tube scanning circuit is introduced, which provides theoretic foundation for confirming the working situation of constant current tube .

本文论述了恒流管扫描电路管子的工作过程及工作状态，为确定恒流管的工作状态提供了理论依据。

The hyperchaotic attractors along with chaotic, periodic and quasi-periodic attractors of these systems were obtained from circuit simulations.

电路仿真获得了这类系统的超混沌吸引子及混沌、周期和准周期吸引子。

An auxiliary power motor with improved structure includes wheel shell, rotor ring, stator plate, central wheel axle and control circuit.

一种改良结构的辅助动力马达，包括轮壳、转子环、定子盘、中心轮轴及一控制电路，转子环的内环面埋设磁铁，定子盘周围固设环形矽钢片，其外环面具有多个T形齿牙，其齿数为非转子环磁铁数的公倍数，矽钢片设有三相星形线圈绕组，且于定子盘电机最佳启动角度处设有霍耳元件组；借此将定子盘固设于中心轮轴，令轮壳夹设住转子环并套设于中心轮轴两侧，当转子环旋转时，即可降低磁极间的钝齿转矩，令电动车行进更加顺畅无噪音。

This research adopts the impedance marching method, by varying duty cycle in a DC-DC converter to make the apparent load impedance matching with current system impedance, and reach the mpp operation.

控制电路的部分由单晶片PIC18F452为中心，重点为如何有效的取得太阳电池的开路电压及短路电流，以便正确计算出太阳电池的内部阻抗。

In addition, an effect to enhance immunity against noises and reduce the radiated emission and mode conversion of the filter by twisting positive and negative pair is described. Finally, an equivalent circuit model is described and circuit parameters extracted illustrate the effects of routing topologies and structural parameters on filter's performance.

之后再将无遮蔽双绞线结构以多层板的方式实现，设计出一双绞线式的多层共模滤波器，增加元件抵抗杂讯的能力和减少自身辐射及模态转换所产生的干扰现象，最后利用等效电路来诠释这三种不同结构的特性表现，分析改变结构对电路参数所带来的影响。

The circuit is in a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.

该电路是一个测试插座或在印刷电路板及导线安装更大的气流比500lfpm维持。

In this study, we use the thermoelectric cooler whose surface temperature can be controlled by adjusting the direction and magnitude of its current to improve the cold stage and cooling system of a cryomicroscope system. The temperature control circuit and the integrated software were also elaborated to make the cryomicroscope a modular system which is convenient to use.

本研究利用调整热电致冷晶片的电流大小与方向即可控制表面温度升降之特性，将其应用於低温显微镜系统的冷冻台及冷却系统改良设计，同时配合温控电路与软体程式达到升降温之控制，最后并将整个系统模组化以增加使用上的便利性。

According to four electric motors designing that primary data ascertains the host circuit be chief axis electric motor , rocker arm electric motor , hydraulic pump electric motor and cooling pump electric motor every one platform; Rotating , rolling back and protecting a function for the starting, stop realizing a drill machine

根据设计原始材料确定主回路电动机四台，即主轴电动机、摇臂电动机、液压泵电动机和冷却泵电动机各一台；为了实现钻床的启动、停止、正转、反转及保护功能，设计了相应的控制回路；同时为了对应电动机的各个动作，对其作出指示，设计了指示电路；然后换照电气选型原则，对元器件进行了选择。

SRAMs .The pin description and some operations are introduced. The method of designing the interface circuit between the FM20L08 and the MCU for high speed data recorder is described.

介绍FM20L08的引脚功能和工作原理，并在此基础上给出基于FM20L08的高速数据存储系统的设计方案及与单片机的接口电路。

The system consists of speed testing circuit, kernel controller as well as actuators etc.

该系统由转速检测电路、核心控制器及执行机构等部分组成。

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。