对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
由于阻抗器的等效电阻为纯电阻，因此在调整电压的过程中不会产生谐波。
Because of the pure resistive nature of the equivalent resistance of impedor, no harmonic will be generated during the voltage regulation.
高阻电路的切换应用包括小电流、高电阻和高阻抗电压应用。
Switching applications of high impedance circuits include low current, high resistance, and high impedance voltage applications.
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗，而且在同样的频带上按超增益端射阵的波瓣图工作。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
由于阻抗法易受过渡电阻、互感器误差、线路结构不对称等因素的影响，所以测距精度不高。
Because the impedance fault location method is easily influenced by the factor such as fault resistance, transformer error and asymmetrical line configuration, the fault location accuracy is lower.
当然，绝缘电阻的降低会严重影响高阻抗测量工作。
A reduction in insulation resistance can, of course, have a serious effect on high impedance measurements.
利用自驱动、自传感特性的压电陶瓷片，粘贴在外部结构的表面，结合动态阻抗的概念，提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
仿真研究表明：FNOSER算法可以实现静态电阻抗成像，且具有图像分辨率高、定位精确、成像速度快等特点。
The study results show that the FNOSER algorithm can obtain static image with a character of high space resolution, accurate orientation, fast imaging, and so on.
重要由于除颤器产生的波形由病人身体的电阻抗所决定，因此只有当电极放置于病人体表后方能开始对除颤器进行充电。
Important Since the waveform (duration and amplitude) from the defibrillator depends on patient impedance, defibrillator charging must only start after the electrodes have been placed on the patient.
目的研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法。
AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography.
在有些应用中，例如监测电化电池和测量半导体的电阻系数，则可能必须进行高阻抗电压切换。
High impedance voltage switching may be necessary in applications such as monitoring electrochemical cells and measuring semiconductor resistivity.
电路的电阻就是在电路中要克服的阻抗。
The resistance of the circuit is the opposition to be overcome in the circuit.
目的研制用于电阻抗断层成像系统的信号源，提高现有系统的高频特性，同时降低其噪声水平。
A new signal source for electric impedance tomography system is developed to improve the high-frequency performance and to reduce the noise level of the old one.
从此时开始，设备会连续进行电阻抗检测，设备仅允许在获得满意范围的电阻值后方允许进行电击操作。
From this point impedance checks are continuous, the device only allows shock in case of acceptable satisfactory impedance.
目的应用生物电阻抗分析法，检测慢性阻塞性肺病(COPD)患者的人体组成的改变。
Objective To measure the body composition of the patients with chronic obstructive pulmonary dis-ease (COPD) by bioelectrical impedance analysis.
生物电阻抗成像（EIT）是一种新型无创成像技术。
Bio-electrical impedance tomography (EIT) is a new noninvasive image reconstruction.
生物电阻抗成像（EIT）是一种新型无创成像技术。
Bio-electrical impedance tomography (EIT) is a new noninvasive image reconstruction.
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