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Under an 8.5GHz CW signal power test with optimized loading conditions,the P1dB of the circuit is 29.4dBm,relevant power gain is 7.2dB,and relevant PAE is 42%.The Psat of the circuit is 30dBm.

在8.5GHz进行连续波功率测试，在优化的负载阻抗条件下，P1dB输出功率为29.4dBm，相应增益7.2dB，相应PAE＞40%，电路的饱和输出功率Psat为30dBm。

The switching circuit is connected in series between the pull-down circuit and the VSS terminal.

该开关电路串联连接在该下拉电路和该VSS端之间。

The rest of this article time control system is composed of MCS-51 Microcontroller AT89S51 do the main control unit, the external circuit with a 12MHZ crystal oscillator, 74LS164 registers, reset circuit, three buttons, LED digital tube to do quadruple the time of the device shows no the needs of extended memory, can achieve its functions.

本文所研究的作息时间控制系统是由MCS-51系列单片机AT89S51做主控部件，外围电路用12MHZ晶体震荡器、74LS164寄存器、复位电路、三个按键、四联LED数码管做显示时间的器件，不需要外扩展存储器，就能实现其功能。

The tole rance and nonlinearity in analog circuit make its fault diagnosisic difficult. In order to solve this problem, this paper presents an analog circuit fault diagnosis method based on Rough Sets-Neural Network.

文章针对目前模拟电路故障诊断中存在的容差和非线性特性所带来的诊断难点，提出了一种基于粗集－主成分分析的模拟电路故障诊断的方法。

precise calculating formula is derivated to determine magnification ratio of voltage,input resistance and output resistance in amplifying circuits based on th feedback circuit model with cascade voltage.with th new calculating methods put forward by the author,it is possible to solve the problems in terms of calculation in amplifying circuits,the key problem being low level of exactness.the research shows the influence of components′ parameters of basic amplifying circuits and feedback circuits on feedback amplifying circuits.the results of the research may contribute to design amplifying circuits and electronic instrument with higher performance,due to the simpler calculation in the design of feedback circuit with cascade voltage.

摘 要：在建立电压串联反馈电路模型基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。提出新的计算方法，从而解决了放大电路计算不方便，精确度不高、准确性不够的问题。同时进一步揭示了基本放大电路、反馈电路元件参数对反馈放大电路的影响关系。为设计出高性能放大电路及电子设备指明了方向，更加方便于电压串联反馈电路的计算。

An electrical circuit element used to introduce reactance into the circuit .

用以防止被驱动电路对驱动电路的影响的一种隔离电路。

Simulation research on method for harmonic current detection of single-phase circuit based on instantaneous reactive power theory of three-phase circuit was presented.

提出了基于三相电路瞬时无功理论的单相电路谐波电流检测方法的仿真研究。

And then put forward the real-time detection of the single-phase circuit and reactive current .The realized methode is the artificial circuit.

所提出的检测方法用模拟电路加以实现，可对谐波电流、无功电流进行分别检测或综合检测。

In order to understand and calculate the reactive power of the nonsinusoidal electric circuit accurately and analyses the the influence of the reactive power in the nonsinusoidal electric circuit on reactive energy measurement .

为了能够准确地理解和计算非正弦电路的无功功率，分析非正弦无功对无功电能计量的影响。

This paper carries through deepgoing systemic analysis about reactive power compensationtechnology, main circuit of SVG simulation system, hardware circuit of control system, software isdesigned and laboratory simulation system is made.

本文对现有无功补偿方式进行了系统深入的分析，完成了SVG的模拟系统主电路设计，控制系统的硬件电路和软件设计，并制作了实验室模拟系统。

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。