介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
虽然制造商和消费者都从数字器件降价中获益，但大多数情况下消费者则享受着绝大部分省钱利益。
And while both manufacturers and the consumer benefit from the falling cost of digital components, in most cases consumers are keeping the lion's share of the savings.
本文包括五个部分，第一章绪论简单介绍约瑟夫森结的构造、基本性质以及国内外对约瑟夫森器件的研究现状。
In chapter one I give a simple overview of the history and realism of research on Josephson junction and present some basic properties of Josephson junctions.
低功耗设计的关键技术包括选用低功耗的各类器件，低工作电压，对MCU进行时钟管理或休眠，对各部分电路和器件进行电源管理等。
Low-power oriented design techniques include selecting low-power parts, low operation voltage, managing clock of MCU or making MCU turn into dormancy, managing power supply of circuit and so on.
它所有的器件采用贴片封装，用软件来代替部分硬件电路。
All the packaging of its components are Surface Mount Device (SMD), and we use software to instead of some hardware circuits.
着重研究了声开关部分所外加的直流偏压对在该器件中传播的声波的影响。
The influence of the DC bias on the propagation of acoustic waves in the switch part is investigated.
本文介绍了该系统在集成电路工艺设计及器件设计中的部分应用。
This paper showed the applications of the sys - tem in integrated circuits process design and device design.
作为电力系统重要组成部分的元器件在电能生产、传输以及分配中起着重要的作用。
As important parts of power system, electrical equipments play a crucial role in the production, transmission and distribution of electrical energy.
介绍了共振隧穿二极管（RTD）中电荷积累效应，利用顺序隧穿模型分析了RTD中有电荷积累时器件各部分电压的再分布；
The electric charge accumulation effect in RTD was introduced. The electrical voltage redistribution along the device as charge accumulated was analysed by sequential tunneling model.
第二部分着重讨论了激光数码冲印输出控制系统的解决方案，以及方案中各部分关键器件的原理和应用。
We focused on the solution of the output control system and the applications of the key devices in the system in the second part.
硬件部分介绍了硬件整体结构，并对DSP及复杂可编程逻辑器件等部分的设计加以详细的介绍。
The whole structure of hardware and the designs based on DSP and CPLD are specially discussed in detail.
系统以ARM微处理器和FIFO存储器为核心，利用可编程逻辑器件实现对整个底层数据采集系统的逻辑控制，并给出了时序控制部分的仿真波形。
The system controls the logic of the data acquisition board by programmable logic device (PLD) with the center of the ARM microcontroller and FIFO memory and provides the simulate waveforms.
光纤陶瓷插针是光纤连接器的重要组成部分，后者是近年来光纤通信实用领域需求量最大的无源器件。
The optical fiber cladding serves as an important part of the fiber connector, an optical passive component of the greatest demand in optical communications field.
第二部分对功率型dubat进行了设计并初步制成这种器件。
In the second part, a power DUBAT has been designed and fabricated.
大啁啾光纤光栅的研究是光纤光栅器件研究中的一个重要组成部分。
The research on large chirped fiber Bragg grating is an important part of researches about the fiber grating devices.
光无源器件是光纤通信产业的组成部分。
The optical passive device is part of the optical fiber communication industry.
大啁啾光纤光栅的研究是光纤光栅器件研究中的一个重要组成部分。
The research on large chirped fiber Bragg grating (LCBG) is an important part of researches about the fiber grating devices.
有一部分非名牌电梯经过维修后，原器件品牌混杂，或者名牌电梯带病运行，存在发生故障的安全隐患。
After some non-famous elevator repairs, the original brand hybrid device, or to stop the operation of brand lift. the failure of existing safety problems.
射频MEMS开关是重要的射频MEMS器件，一些RF MEMS开关已经应用于部分微波系统的前端电路、数字电容器组和移相网络。
As one of the most important MEMS devices, RF MEMS switches have been applied in front-end circuits of some microwave systems, antenna and phase shift architectures.
简介一种以锗雪崩光电二极管(APD)为光电转换器件的探测器电路的工作原理，详细介绍电路各组成部分的设计要求和设计要点。
The operation principle of a detecting circuit in which avalanche photo-diode (APD) is used as photoelectric conversion device and the every part of the circuit are presented.
这种动态体放电的方法有效地解决了部分耗尽SOICMOS器件体电位不匹配的问题，得到了可重复性低阈值电压，提高了SRAM的读取速度。
This dynamic body discharge technique eliminates body potential mismatches of PD SOI CMOS devices, achieving repeatable low threshold voltage and fast SRAM access time.
当调制系数较低时，会造成开关器件利用率不均匀，导致部分器件提前损坏。
As a result, some switching devices would be worn out earlier because of the unbalanced utilization at low modulation indices.
器件在较宽的自由光谱区内有良好的滤光特性，可调谐范围广，优于绝大部分其他类型的光滤波器，并且具有较高的精细度特性。
The component shows good light-filtering characteristic in wider free spectrum area, has a wide tunable scope which surpasses many optical filters of other types, and it also presents good fineness.
硬件部分主要介绍硬件的系统结构、硬件所用的元器件、红外通讯方面的知识、通讯所采用的帧格式等。
The hardware presents the hardware system construction and parts using and infrared communication knowledge and frame format.
介绍该器件的工作原理及应用，给出了ADS7870与微处理器MC 68hc11的接口及部分软件程序。
The main characteristics of the ADS7870 and its operation principle, the interface circuits and part of program block diagram of the ADS7870 and the microcontroller MC68HC11 are given.
在不影响电磁阀工作特性的情况下，将电磁阀驱动电压的高压部分由110伏降低到了36伏，并大量减少了电路元器件。
It can reduce the driving voltage from 110 volts to 36 volts and reduce the number of components in the circuit without reducing the circuit performance.
集成电路工艺及器件特性计算机辅助设计系统是微电子CAD系统的重要组成部分。
The IC processing and device characteristic CAD system are very important parts in the microelectronic CAD system.
硬件设计部分给出了主要元器件的工作原理，硬件设计思路，各部分电路图，主要元器件的型号选择及数值计算。
Principle of main component, design thought, circuit diagram of every part, model choice and numerical value count of main component is presented in hardware design part.
利用微波器件、电路、微波等有关知识，对固态源各组成部分进行了分析、比较和选取，确定了固态源的实现方案。
Choose the main component elements of SSMS using related microwave, circuit, heat transfer knowledge, and decide the SSMS's forming project.
利用微波器件、电路、微波等有关知识，对固态源各组成部分进行了分析、比较和选取，确定了固态源的实现方案。
Choose the main component elements of SSMS using related microwave, circuit, heat transfer knowledge, and decide the SSMS's forming project.
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