和电路

The magnetizer consists of coil and incentive power, and AE testing system consists of sensor, pre-amplifier, main-amplifier and filter.

本测试系统的硬件部分由磁化器和AE检测系统两部分组成，线圈和激励电源组成磁化器部分，传感器、前放、主放和滤波电路组成的AE检测部分。

For the partial products generation, the novel method of Booth encoding combined with partial products generating is put up, which can directly map the multiplicand and multiplicator to partition products without generating the BOOTH encoding results. For the optimization of Wallace tree adding, the series formulas of full-adder and 4-2 Compressor realization are introduced to guidance the selection. For the non-bias round, forwarding round disposal in Wallace tree method is brought forward to avoid the final multi-bit adder. Also, the idea of delay-oriented partition of the MAC frame is put up to achieve the perfect match with multi-pipeline DSP architecture.

提出了一种构建多模式算法最小并集的MAC通用结构思想与一种划分MAC通用结构以适应多流水级DSP处理器设计的通用MAC设计方法；对于BOOTH编码和部分积产生，提出了直接建立被乘数与部分积的多路选择映射关系的BOOTH编码和部分积联合产生方法；对于最优Wallace树型加法实现，提出了全加器和4-2 compressor电路实现Wallace树加法所需的关键加法路径级数公式以指导实现选择；对于无偏舍入处理，提出了在Wallace树处理舍入问题的舍入运算前置方法；提出了以时延为导向的MAC各部分单元组合与流水线匹配具体方法。

A General survey of the research result and the trend of microwave nonlinear circuits CAD technique is presented at the beginning of this paper, and some of the concerned softwares including details of popular commercial softwares (Microwave SPICE. Libra, and Microwave Harmonica) are introduced.

本文详细讨论了国内外微波非线性电路CAD研究工作的现状和发展趋势，介绍了国外部分软件的工作性能、使用范围和发展方向，并着重介绍了目前比较通用的商用软件Microwavve SPICE、Libra和Microwave Harmonica。

According to the superposition principle of electric circuits, the post-fault power network is equivalent to the superposition of network in normal state and that composed by fault components; then taking single-phase system for example, the fault distance and asynchronous time are taken as unknown numbers and the fault location equations for normal voltage and current phasors as well as fault components are established; and then the analytical expression for fault distance is deduced, in addition the recognition method of false root is given.

该算法根据电路叠加原理，将故障后的网络等效为正常状态网络和故障分量网络的叠加，然后以单相系统为例，以故障距离和非同步时间作为未知数，对正常电流电压相量和故障分量分别建立测距方程组，推导出故障距离的解析表达式，并给出了伪根的识别方法。

The invention provides a system used for recycling urban automobile-washing water, which is a system formed by organic combination of a pretreatment unit, a mechanical treatment unit and a control unit, wherein, the pretreatment unit comprises a fence and a sedimentation tank, and chemical treatment; the fence is arranged on an inlet of the sedimentation tank; the mechanical treatment unit adopts a centrifuge and is arranged on an outlet of the sedimentation tank; and the control unit comprises a peripheral circuit, a singlechip and a variable-frequency motor.

本发明提供的城市洗车用水循环利用系统，是由预处理、机械处理和控制单元的有机组合来的系统，其中：预处理单元包括栅栏以及沉淀池和化学处理，栅栏设置在沉淀池的入口处；机械处理单元采用离心机，它设置在沉淀池的出口处；控制单元包括外围电路、单片机和变频电机。

The synthesis and design of the conventional filters; Further more, waveguide multiplexer and the general Chebshev filters with transmission zeros were introduced. Multipath coupling Equivalent Circuit are constructed and the relative phase shifts of multiple paths are observed to produce the known responses of the cascaded triplet and quadruplet sections.

给出了传统滤波器的基本理论和设计方法，继而介绍了波导多工器和广义切比雪夫滤波器的综合理论；分析了相位关系和交叉耦合的电路模型；给出了在腔体滤波器中实现交叉耦合的方法。

The system and method support both A and B slotting and power down components of the handset, such as RF circuitry and/or data sync timers.

系统和方法同时支持A和B时隙以及手机中的功率下降部件，例如RF电路回路和/或数据同步定时器。

Solar silicon crystal growing furnace has two systems and three brands and all uses high performance CCD camera video vision sampling technology and PAC full automatic SCADA numerical control system of American Rockwell Automatic Co.,Ltd, and is suitable for 18/20/22 inch heat station and CZ method 6-8 inch IC circuit level and solar energy level silicon single crystal ingot.

硅单晶生长炉具有两大系列三个品种，全部采用高性能CCD影像视觉采集技术和美国Rockwell Automation公司PAC全自动SCADA数字控制系统，适用于18/20/22英寸热场和直拉法拉制6～8英寸电路级和太阳能级硅单晶棒。

Then can weld starting the resistance directly on the rotor winding, and cancel collecting the electric ring and electric brush.

将定子一种极数的磁场感应于转子绕组中的电流，通过集电环和电刷，但由另一种极数的磁场感应的电流，却自动流经另一闭合回路，而不通过集电环和电刷：于是，如果后一种极数是电动机的工作基波磁场，而把前一种极数作为用以起动的谐波磁场，则可以把起动电阻直接焊接在转子绕组上，而把集电环和电刷取消，从而出现了转子电路上无集电环、无电刷、无触点的谐波起动绕线型感应电动机。

In Broad Band ,Curcuit signal graphics is achieved by oscillograph ,and packet loss rate , throughput, Latency , back-to-back and so on.;In VoIP, the device can communicate with FXO 3804 of TAIWAN Welltech and DT60 of BEIJING JIAXUN FEIHONG, At that time, Ethereal and PalmTool of PA1688 testing are introduced; In CATV, flatness ,signal graphics of radio frequency are tested by CATV stroboscope.

使用示波器测试数据部分的电路信号波形，使用网络分析仪测试丢包率、吞吐量、时延和背压等以太网指标的测试，并记录最终测试结果；电话部分主要是与台湾伟桥的FXO 3804和北京佳讯飞鸿的E1数字中继网关DT60，实现基于H.323协议的VoIP电话通信，同时介绍使用Ethereal软件和PA1688专用测试工具PalmTool的测试分析情况；电视部分主要是使用CATV频谱仪测试输出射频信号的平坦度、信号波形等分析信号质量，并通过实际电视接收观察输出的射频信号质量。

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。