查询词典 logic circuit

A total investment of more than 20 million Hong Kong dollar, the domestic factory area more than 12,000 square meters; company has a full set of 21 advanced printed circuit board production technology and equipment, in addition to more than 800 highly qualified staff, of whom more than 200 engineering and technical personnel , And market service personnel, 18; has for many years and has engaged in a printed circuit board production professional, extremely rich experience in the management team.

总投资2000多万港元，在国内厂区面积一万二千多平米；公司拥有全套21世纪先进的印刷电路板生产技术设备，同时拥有800多名高素质的员工，其中工程技术人员200多名、市场服务人员18人；并拥有一支具有多年从事印刷电路板专业生产、经验极其丰富的管理队伍。

Based on research and analysis on domestic air circuit breaker,a new configuration was designed to lower energy consumption efficiently,and was applied to development of new generation of air circuit breaker.

对国内几代万能式断路器进行了研究和分析，研发出新型结构，有效降低了能耗问题，并在新一代断路器研发中的应用。

In accordance with the current research state of track circuit and the domestic practical demand, digital simulation modeling of track circuit working state analysis and antiinterference analysis is studied in this dissertation, as well as the design and realization of the digital simulation program.

论文针对当前轨道电路系统的研究状况和国内的实际需求，研究了轨道电路工作状态分析和抗干扰特性分析数字仿真模型的建立、数字仿真程序的设计与实现等问题。

Ten years, we are committed to become the domestic first-class circuit board manufacturing enterprises and make unremitting efforts, adhering to the "Sincerity-oriented, science and technology businesses," the concept of corporate management, by virtue of a strong, forward-looking decision-making, spending huge sums from abroad, the introduction of advanced production and testing equipment, professional production of high-precision single-sided, double-sided, multi-layer circuit boards, product by users at home, on many occasions both at home and abroad well-known machine manufacturers qualified as advanced supply-side .

十多年来，我们致力于成为国内一流的电路板制造企业而不懈努力，秉承"以诚为本，科技立业"的企业经营理念，凭借雄厚的实力，前瞻的决策，斥巨资从国外引进先进的生产和检测设备，专业生产高精密度的单面、双面、多层电路板，产品深受国内外用户的好评，多次被国内外著名的整机生产厂商评为先进的合格供方。

This paper introduced an eigen-mode decomposing method to decouple zero sequence parameter in double circuit. The decomposing matrix of eigen-mode component is given. The zero sequence component relationship between voltages or currents at two terminals of double circuit was achieved by composing eigen-mode components.

提出一种采用特征模量分解方法对同杆多回线间的零序参数解耦，并给出了同杆双回线零序参数特征模量分解矩阵，通过特征模量分解得到同杆双回线路两端之间的零序电量关系。

Aiming at the defects on structure design, electromagnetic design, analysis simulation, optimization design and control technology, double-action iron core mechanism, feedback-hold circuit of energy-saving capacitor voltage and intelligent control circuit were expounded, which can be a guidance for wide application...

针对目前永磁接触器在结构设计、电磁设计、分析仿真、优化设计与控制技术等方面存在的不足，重点阐述了双动铁心永磁机构、储能电容电压的反馈-保持电路及智能控制电路。为促进永磁接触器的推广应用指出了进一步的研究方向。

The Periscope Drawtube will be bent because of the water resistance in sailing and this bend will cause the error of star measurement. Due to its especial structure, contactless measurement is the only way to measure its bend degree. First this paper introduces the method by linear array CCD based on structure and light path; Second it expatiates linear array CCD work principle and driving scheduling with example of TCD1501C and the driving circuit by CPLD. The output signal of linear array CCD includes common disturbance so the differential amplifier is needed. In order to make the signal adapt to computer processing, a threshold circuit with Schmitt characteristic and the data process following threshold are given. At last, some key problems in application are given.

潜艇潜望镜的镜筒在航行时受到水的阻力会产生弯曲变形，这种变形会造成潜艇对星体测量的误差；由于镜筒结构的特殊性，对其弯曲程度的测量只能采用非接触方法；首先从结构和光路方面介绍采用线阵CCD作为检测元件实现对镜筒弯曲程度的测量；其次以东芝公司的线阵CCD（TCD1501C）为例阐述了其工作原理及驱动时序的控制要点，并介绍了基于可编程逻辑器件的线阵CCD的驱动电路；线阵CCD输出的信号中含有共模干扰，必须采用差分放大器将其抑制；为将信号转化为适合计算机处理的数字信号，文中给出了有一定实用价值具有施密特特性的二值化处理电路及二值化后的数据处理过程；最后阐述了在实际使用中的一些关键问题。

The computer separately connects and controls the I/O end and A/D converter; the I/O end connects and controls the X, Y axis driving circuit and the semiconductor laser; the X, Y axis step-by-step driving circuit connects and controls the X, Y step-by-step electrical machines to control the dimensional platform; the beam of the semiconductor laser passes through the focusing drawtube with 0.1mm diameter to form the facula with the diameter less than 0.1mm; the facula irradiates on the detector surface of the XY dimensional displacement platform to produce the corresponding electric signals; the detector surface connects the A/D converter through the amplifier; the electrical signal is amplified and is converted into the data signal by the A/D converter and is sent to the computer for processing.

由计算机分别连接并控制I/O端口和A/D转换器，I/O端口分别连接并控制X、Y轴步进电机驱动电路和半导体激光器，X、Y轴步进电机驱动电路分别连接并控制X、Y轴步进电机，从而控制二维位移平台，半导体激光器的光束经过设有直径0.1mm小孔的聚焦镜筒形成＜0.1mm直径的光斑，光斑照射于设在XY二维位移平台上的探测器表面使其产生响应的电信号，探测器表面经放大器连接A/D转换器，电信号经放大器放大后，由A/D转换器转换为数据信号送计算机处理。

Introducing the LED driver circuit at the same time, and analyzed several common shortcomings of the drive circuit.

在介绍LED驱动电路的同时，又总结分析了几种基本驱动电路的不足。

A novel driver circuit is presented to solve this problem.A charge pump circuit is used in the design.

文中设计了一种新颖的适用于D类功放的驱动电路，在芯片内部采用一个电荷泵电路。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。