在测量一个器件,如电容器上的电荷时,重要之点是要首先关闭静电计的零点检查功能,然后再将电容器连到高阻抗输入端。
When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.
本文归纳出利用对称负载的阻抗角,计算二瓦特计法表读数的一般规律。
This paper concludes general calculative regularity of readings of two-wattmeter method using the impedance Angle of balanced load.
改进后的电位计具有良好的频率特性及防共扼干扰的能力,能适应各种阻抗系统的需要。
It is of good frequency character and capacity of preventing conjugation interference. It is suitable for all kinds of impedance systems.
源阻抗的大小能够影响反馈库仑计的噪声性能。
The magnitude of the source impedance can affect the noise performance of the feedback coulombmeter.
我们需要记住的是任何伏特计都是一台高阻抗设备并且一个理想的伏特计是不从被测试的电路分出电流的。
It must also be remembered that any voltmeter is a high-impedance device and that an ideal voltmeter draws no current from the circuit being tested.
将屏蔽连到静电计的输入LO端,其输入高端HI应当连到未知电容的最高阻抗端。
The shield is connected to the LO input terminal of the electrometer. The hi input terminal should be connected to the highest impedance terminal of the unknown capacitance.
在计及并联线路互感的情况下,提出了一种节点阻抗矩阵修正计算的通用算法。
Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.
针对带有灌溉系统并装设灯泡式机组的径流水电站,进行了计及涌浪影响的全枢纽过渡过程计算,并在稳态初值计算中使用虚拟阻抗法对流体网络进行求解;
For this reason, this paper puts forward the method of virtual resistance to calculate the initial value of this system and to calculate the transient considering the effect of the ground swell.
针对带有灌溉系统并装设灯泡式机组的径流水电站,进行了计及涌浪影响的全枢纽过渡过程计算,并在稳态初值计算中使用虚拟阻抗法对流体网络进行求解;
For this reason, this paper puts forward the method of virtual resistance to calculate the initial value of this system and to calculate the transient considering the effect of the ground swell.
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