impedance

[ɪmˈpi:dns]
  • impedance
  • n.

    阻抗,全电阻;电阻抗;

纠错 数据更新时间:2025-11-14 03:55:10
  • 近义词
  • 知识拓展

    词源考究

    来自impede,阻碍。后用于物理学术语阻抗,电阻。

1、

Impedance, Gain, Radiation pattern, Beam width , Radiation resistance, Antenna efficiency, Directivity and Polarization Measurements.

天线测量阻抗, 增益, 辐射模式, 梁宽,抗辐射, 天线效率, 指向性和极化测量.

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2、

A novel principle of segregated phase impedance differential protection based on the fault components is proposed.

提出了一种基于故障分量的分相阻抗差动保护新原理.

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3、
4、

The real part of the impedance R is a of frequency.

该阻抗的实部R是频率的函数.

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5、

Current reflection of high impedance is negative.

低阻抗之电压反射为负.

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6、

The Impact of Terminal Impedance on the Coupling Effect of the Transmission Line

端接阻抗对传输线线间耦合的影响分析

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7、

An impedance discontinuity causing an undesired signal reflection in a transmission cable.

阻抗的不连续将导致传输电缆中不希望发生的信号反射.

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8、

To control impedance, maintain trace widths and trace spacing.

为控制阻抗, 维持一定的线宽与线距.

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9、

Impedance will reflect back as the square of the turns ratio.

阻抗将会按照匝比的平方反射回来.

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10、

The impedance of test base directly affects the vibration level of base, thus may influence the effect of vibration isolation equipment.

试验基座的阻抗大小直接影响基座振动的测量结果,从而对隔振装置的隔振效果有着直接的影响。

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11、

The Development of a Body Composition Test Device based on Bioelectrical Impedance

一种基于生物电阻抗原理的人体成分测试装置的研制

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12、

The earthwork grill buries is buried may have the virtual impedance function.

土工格栅埋入土中可产生有效阻抗作用.

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13、

In the near field, a high impedance appears on plane perpendicular to a straight line current.

直线电流源垂直面上之近场呈现高的波阻抗.环形电流源共平面上之近场呈现低的波阻抗.

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14、

The isolation should be as high as possible to avoid errors when switching high impedance circuits.

为避免切换高阻抗电路时的误差,隔离应该尽量高.

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15、

Finite element method ( FEM ) simulation and impedance characteristic test agreed well with the calculated results.

有限元仿真和阻抗特性测试结果与理论计算结果吻合.

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16、

The circuit has the characteristics of high output impedance and low passive sensitivity.

该电路具有高输出阻抗和低无源灵敏度特点.

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17、

The mechanism and equivalent circuit of nickel electrodeposition were also proposed analysis of electrochemical impedance spectroscopy.

电积镍过程主要是两步连续的电子转移步骤,并提出镍电积过程的等效电路模型.

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18、

Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.

引外接地是一种降低地网接地阻抗的有效措施.

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19、

These figures show that the improvement of input impedance is within a factor of ten.

这些数字表明,输入阻抗的改进值为一个数量级.

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20、

The antenna was optimized in order to wide bandwidth and impedance matching.

为实现展宽频带、阻抗匹配等要求,对该移动终端天线进行了优化设计.

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21、

The transducer outputs are single ended, high level , low impedance linear voltages.

传感元件输出为单端的, 高能极的线性电压信号.

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22、

Experimental Study on Wave Impedance and Lame Constant of Reservoir Sandstones

储层砂岩波阻抗及拉梅常数实验研究

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23、

Soft PVC cemented with epoxy adhesives was used as the inside lining of the metal plate and its anti-corrosion performance was analyzed through the electrochemistry impedance test in this article.

利用环氧树脂胶粘剂粘结软质聚氯乙烯作为金属板材的内衬,通过电化学阻抗测试分析了聚氯乙烯内衬耐酸耐碱性能。

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24、

But the Character of wall of the tube has little effect on the input impedance.

狭窄幅度的变化则对输入阻抗模影响较小.

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25、

The derivation of impedance matrix is presented in details. The numerical treatment to different singular integral and how to choose the unknown function are also discussed.

给出了新方程对应的阻抗矩阵的推导过程与最终表达式,讨论了积分奇异性的处理和待求函数的选择问题。

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26、

Objective To Validte the Yeliabil of left ventricle ejection fraction ( LEF ) measured by reconstructed impedance cardiography ( RICG ).

目的验证重建心阻抗图测量左室射血分数 ( LEF ) 的可靠性.

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27、

The harmonic impedance is very important to harmonic power flow and analysis of harmonic at PCC.

谐波阻抗对于进行谐波潮流计算和分析PCC处的谐波是至关重要的.

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28、

A convenient method is presented, which can be applied to measure impedance and temperature during the life test of loudspeaker.

并介绍了一种便捷的测量方法,该方法可在进行扬声器寿命试验的过程中同时测量阻抗和温度。

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29、

However , in the case of short-circuiting, its impedance immediately increases to limIt'short-circuit current .

发生短路故障时, 超导限流器的阻抗迅速增大以限制 短路电流.

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30、

The modeling result demonstrates that the azimuthal interface is also wave impedance interface.

模拟结果表明方位界面也是波阻抗界面.

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