查询词典 circuit

We employ a computer to simulate the characteristics of objects and circumstance, and calculate radar video echo date, then through computer inter-face circuit and the relative circuit and D/A conveners, the echoes are outputted to a radar signal processor. The video signal simulator can be use to debug a terminal homing radar system instead of the former part of radar.

该模拟器通过计算机模拟目标和环境特性，产生雷达视频回波信号数据文件，然后通过微机接口电路、回放电路和D／A变换输出该视频信号，接至雷达信号处理机；它可以代替雷达前端对末制导系统进行调试；实验结果验证了该模拟器的有效性。

Firstly, the reasons of lower power factor and high harmonic are analyzed in the conventional laser power supply, and the need of load characteristic of the laser is also thought. So the new type high performance power supply of DPSSL which is constituted of two convertors is obtained. The principle of the main circuit, control method and protective circuit are described.

本文首先通过对传统激光电源中功率因数低、谐波电流大等缺点的分析，再结合半导体泵浦源的特性要求，提出了一种基于两级变换器的新型高性能半导体泵浦固体激光器电源。

At first, I collect and analyze the relative dates, and statistics fault models. Then I finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. The following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. At last, I make the update generator in batch process, and collect and analyze reliability dates again. I proved that the life of the improved HF electrodless light is over to 60,000 hours.

首先进行了与可靠性相关的数据收集与分析，对故障模式进行统计；然后从电路结构、环境应力及容差三个方面进行可靠性分析，从而为关键的可靠性设计提供了依据；接下来的可靠性设计，从电路设计、热设计、降额使用、筛选四个方面逐一解决了可靠性分析阶段发现的问题；最后，我将改良的发生器批量生产，并从中重新收集了可靠性数据进行计算，事实证明改良后高频无极灯的平均寿命已达到6万小时。

On the second and third plan, the quadrupler was made up of UMS's CHX-2089 and Minix's XX-1000 MMIC multiplier. The driver circuit's area still is very small. For two MMIC doublers, the driver circuit has only one input port of+12V.

同样在很小的面积内，设计了单片驱动电路，实现单一正压12V输入情况下，满足各个单片工作所需的各脚直流驱动，结合实验结果不断调整驱动电路。

This invention discloses a duplexer and a multiplexer of the communication system and a method to realize them on a PCB circuit, which applies a 3db bridge and a low pass filter to constitute a hopstreet duplexer without waste band channels, in which, the signals are shunted and combined by the design of the circuit structure and power distribution of the 3-db bridge and phase offset function, the band filter of the low pass filter and the reflection function of a stopband to make up of a costless duplexer in theory to merge the two channels of different frequencies and reduce loss to increase volume and working bandwidth, then a multiplexer is formed by cascading multiple duplexers.

本发明涉及通信设备，公开了一种通信系统双工器和多工器以及双工多工方法，使得双工器和多工器能够在PCB电路上实现，并且体积小、损耗小、成本低、容量大。本发明中，采用三分贝电桥、低通滤波器构成无损耗频带信道合路的双工器，其中通过电路结构的设计并利用三分贝电桥的功率分配和相位偏移功能将各路信号进行分路和组合，利用低通滤波器的频带滤波和阻带反射功能联合三分贝电桥构造一个理论无耗的双工器，使两路不同频率的信道合路，降低的损耗、提高容量和工作带宽。通过多个上述双工器的级联构成多工器。

Since the conductive ink, if spill in the circuit board should use hepatocancer scrub, dry, followed by a electrized, or they may be damaged circuit components, and do not fall knocked cartridge to prevent leakage of ink.

由于墨水具有导电性，若漏洒在电路板上应使用无水乙醇擦净、凉干后再通电，否则有可能损坏电路元器件；不要摔撞墨盒，以防泄漏墨水。

Since the conductive ink, if spill in the circuit board should use hepatocancer scrub, dry, followed by a electrized, or they may be damaged circuit components, and do not fall knocked cartridge to prevent leakage of ink.

由于不朱火具有导电性，若漏洒在电路板上答搁浅无火乙醇擦净、冷潮后再通电，否则有不定败坏电路元器件；不给摔撞不朱盒，以防败露不朱火。

Circuit of geometry: a circuit conductor in the x direction and y profile location if you do not have direct impact on the balance, Etchant in the Panel on the flow rate.

电路的多少轮廓：电路图形导线在X标的目的和Y标的目的的漫衍场所如果不不均，会间接感化蚀刻液在不活背上的变不静速度。

Etchants are high consumption and high pollution of the printed circuit board industry; therefore this research uses the etchant for the acid copper chloride amount the high copper content in the printed circuit board industry, using the neutralization for acids and bases to prepare of the copper salt by the acid wasted etching liquid.

中文摘要在印刷电路板业中蚀刻液属於高用量及高污染性质的液体；因此本研究主要使用印刷电路板业中含铜量较高之酸性氯化铜蚀刻液，使用酸碱中和法从酸性蚀刻废液制备出铜盐，以达到废弃物资源化再利用之永续经营。

Through historical inspection and observation on the circuit inspector system, this essay discusses the evulsions, characteristic, function, system ownership and historical effects of the circuit inspector system.

虽然明代巡抚始终是以中央特遣官的身份出现，二不是正式的地方官，但明代巡抚制度的演变却为清朝正式把巡抚设为地方官提供了历史依据。

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