及电路

The virtual experiment,which is named of complex linear direct current circuit, can be performed on the lab platform.

该实验室能够进行复杂线性直流电路的虚拟实验，并具有实时、非定制、多媒体仿真及网络化的特点。

First we give the analysis of the receiver front-end block diagram, link budget and specification allocation. Then, all the sub-circuits , including low noise amplifier, waveguide-to-microstrip transition , image reject band--pass filter, low-pass filter, and sub-harmonic mixer , are described in details.

在接收机组成方案分析，链路计算及指标分配的基础上，结合理论计算和计算机仿真，给出了各单元电路(包括探针式波导-微带转换器，低噪声放大器，镜频抑制带通滤波器，分谐波混频器，低通滤波器等)的设计和仿真结果。

The phase conversion process has been discussed on the basis of three working ways of inductance loading in TEM-Ⅱtransmitter, and then several problems have been put forward.

分析了IGBT全桥变换电路实现功率变换时感性负载上电压、电流的瞬态变化规律及无功功率的释放回路，对TEM-Ⅱ型瞬变电磁法发射机阻感性负载三种工作方式的换相过程作了深入全面的讨论，进而提出几点注意事项。

Locksmiths, who in spy agency lingo are called technical opera-tions officers, are needed for such tasks as to "familiarize non-technical people with technical capabilities; do hands-on work; and travel worldwide."

拥有造锁技能是候选的中情局锁匠的资本。&熟悉电子及手动保险柜的维修、电路和警报系统的人是理想人选。熟悉如何操作机器来制造锁件和工具将有利于得到这份工作。&CIA 招聘通知写道。

This paper introduces the design and imp lementation of an asynchronous-communications system which emp loys TL16C554A as its core hardware, including the selection of the asynchronous-communications elements, the circuitry design, the temporal logic and software realization.

根据微型无人机飞控计算机与外围多个设备进行通信的需要，介绍了由 TL16C554A 芯片组成的多路异步串行通信系统的设计与实现，包括扩展异步串行接口的方案选择、硬件电路设计、时序逻辑实现及软件实现。

Familiar with maintain all equipments in the facility: a/c, air compressor, crane, all electricity, injection moulding machine, temperature control machine and so on; Having experience in Agie, Mikron, Charmilles machinery would be a plus

熟悉维修空压机，起重机，电器，注塑机，模温机，空压机及公司的电路系统，具有维修Agie，Mikron，Charmilles设备经验者优先

Furthermore, because of the device excellent transistors performance and N-shaped NDR phenomenon, the studied device provides a good potential for linear, analog amplification, and logic circuit applications.

所研究的元件具有良好的崩溃电压、转导值及高线性度，以提供讯号放大和逻辑电路上之应用。

On the basis of phase noise analysis, the passive devices including inductors and varactors in the VCO and thecircuit structure are optimized.

在认真分析了产生相位噪声原因的基础上，对无源器件——电感和变容管，及振荡器的电路结构进行了优化设计，并利用0.18μm CMOS工艺实现了5 GHz频段的压控振荡器。

The essay deals with using a MC1648P chip produced by morotola company and varactors, inductances to form a circuit to realize a certain frequency range of high frequency signal.

设计采用Motorola公司的MC1648P及双变容二极管与电感组成的振荡电路得到要求的频率范围的高频信号，从而组成电压控制LC振荡器。

After the cut-off frequency has been determined, the active noise-filtered system can be designed with several circuits to filter out those frequencies higher than the cut-off frequency and reserve the speech voice only. Besides, the music signals from the MP3 or a CD player can also be transmitted to the earplug system for increasing the signal noise ratio. The anxiety and tension of patients during treatments can, thus, be relaxed due to the euphonious music and toothaches of the patient might be further reduced.

本研究首先以离线的方式收集各类牙科噪音，然后将它传递到个人电脑，并使用CoolEdit及LabVIEW软体程式，分析出在牙科治疗过程中所产生之噪音的频率范围，最后透过各种比较，找出适当的截止频率，在截止频率(1KHz)被决定之后；针对该截止频率，使用主动式滤波的方式设计出相关的电路，组成主动式噪音率除系统，来滤除那些高於截止频率的噪音信号，只保留语音频率范围；此外透过mp3或cd player所播放出的音乐讯号，也可以同时被传递到耳塞系统来增加信号杂讯比，那麼当病人在治疗时，因为有这音乐可以使病人的焦虑跟紧张获得舒缓。

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。