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SHANGHAI JEELON ELECTRON CO.,LTD is With the Rapid Development Of EXPORT JIAGONG QU JINQIAO PUDONG SHANGHAI.factory automation,various kinds of basic automatic elments are widly adopted.our comany has brought in the advanced international standard technological appliances,including dedicated production lines for sensors from Simens company in Germen,Amenrican silk net printers,English thick film testing instruments and laser reparing and tuning machines,Japanes automatic plunger and so on.

直流电机调速模块、单/三相无级调功调压模块、单/三相集成移相交流调压模块等产品在内的各种工业控制及自动化产品已超过二十年。新一代产品采用了ASIC电路、SMT工艺和数字化技术,并应用了CAD/CAM电脑辅助设计/制造系统,以及按照ISO9001标准建立了全面质量管理保证体系,使产品性能和质量达到九十年代末国际同类产品的先进水平,并在国内处于领先地位。

Taximeters installed in taxis are made by using of single-chip technology in our country. For common faults and according to the internal structure of the taximeter, working principles and functions of different part in its circuit, this article described how to determine fault locations quickly and made deep analyses about how to eliminate faults effectively. And specific methods to deal with failure are given too.

摘 要:我国出租汽车上所用的计价器是应用单片计算机技术制造的,针对微电脑式出租汽车计价器使用中出现的常见故障,根据出租汽车计价器的内部结构和各部分电路的工作原理及功能,就如何迅速确定故障点从而有效排除故障进行了分析,并给出处理故障的具体方法。

On the structure of system, the three-level converter of three phase bridge of the equipment in main circuit is built with IPM module based on IGBT, and its controller is made up of double CPU.

在系统结构的实现上,该装置的主电路采用基于IGBT的智能模块IPM构成三相桥三电平变流器;控制器采用双CPU结构,以DSP(TMSF2 4 0 )作为主控制器,其任务是采样、计算和实时控制;以 80C196作为辅助控制器,专门处理外挂键盘输入、数据显示查询及与上位机通信。

In this paper, with the Buck circuit topology as the exampleof zero-transition soft-switching PWM DC/DC converters, theoperation principle and characteristics of the conventionalZVT-PWM converter and a novel two phase ZVT-PWM converter areanalyzed in-depth respectively.

文中以Buck型电路拓扑作为研究零过渡PWM软开关DC/DC变换器的代表,分别对传统ZVT-PWM变换器和一种新型的两相ZVT-PWM变换器的工作原理及特性进行了深入的分析。

An injection type shunt hybrid active power filter was analyzed, it can suppress harmonic currents and compensate high capacity reactive power, nevertheless, a sharp boosting on DC-side voltage was found in application. Based on the analyses of the reasons, different solutions was proposed such as adoption of main circuit of multiple performances, the use of hysteretic control method, fore-feed control of reflowing current or direct control on DC-side voltage without a rectifier to supply.

研究一种兼具大容量无功补偿能力的注入式并联混合有源滤波器,并分析其在工程应用中发现的直流侧电压抬升现象及这种现象产生的原因,在此基础上提出从采用多重化主电路结构、滞环控制法、回灌电流前馈控制法和脱离整流电源直接对直流侧电压进行控制等几个方面来抑制直流侧电压抬升的方法。

Objective To design and fabricate realia circuit for rotary anode startup experiment. It is convenient demonstrate the experiment and experimental data.

目的:设计旋转阳极启动电路并制作实验教具,方便直观地对学生示教此项实验内容及测试有关实验数据。

Our research has already finished the plant masson pine image of 6×8 naked cotyledons and 10×10 LCDs glass base plate circuit image.

视取像物件大小,本研究已完成6×8张裸子叶植物马尾松影像叠合及10×10张LCD玻璃基板电路影像叠合。

The configure of printhead, corresponding driver and interface circuit are introduced, and dynamic properties experiment is applied to test driving power.

设计了喷头的结构及相应的驱动、接口电路,并采用了动态性能实验对驱动电源进行了测试。

The role of power engineer is to design power management unit and charge unit, battery verification and mobile phone function tests in product development.

负责电源管理模块和充电电路的设计,电池性能的测试及验证根据项目的需求,提出可行的设计方案

According to a known work frequency, the medium thickness and its dielectric constant, the micro-band line width, the sizes of the substrate, the quadrant metallic plate and high resistant surface gap are computed preliminarily then to determine its final sizes by optimizing and emulating utilizing the emulation software of HFSS8.0 edition.

根据已知的工作频率、介质厚度及其介电常数初步计算出微带线宽度、介质基片大小、正方形金属贴片尺寸以及高阻表面间距;利用电磁场HFSS8.0版的仿真软件优化仿真确定最后尺寸。有望应用于双星定位收/发集成天线及相应工作频率的电路中。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。