难检字字典在线查询

汉语拼音：shū rù zǔ kàng

四端网络、传输线、电子电路等的输入端口所呈现的阻抗。实质上是个等效阻抗。只有确定了输入阻抗，才能进行阻抗匹配，从信号源、传感器等获取输入信号。

输入阻抗 [shū rù zǔ kàng]

1. 指电路输入端总阻抗。在传输系统中，若内部电路阻抗与终端阻抗匹配，则传输系统中没有反射波，会有较好的传输效率。

• A device which has an extremely high input impedance, low switching speed and low power consumption.

  一种高输入阻抗 、 低开关速度及低功耗的半导体器件.

• Features: High current, low saturation voltage, low on resistance, high hFE.

  特征: 大电流, 饱和压降低, 输入阻抗低, 直流电流增益高.

• 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.

• The device is features very high input impedance, super high CMRR, low noise and gain bandwidth.

  该放大器具有高输入阻抗 、 高共模抑制比 、 低噪声和宽频带等特性.

• Finite - difference - domain ( FDTD ) method was used to calculate driving - point impedance of radial disk in circular groove guide.

  应用时域有限差分法(FDTD ) 计算圆形槽波导中径向盘结构的输入阻抗.

• Input impedance of a network when the output is short - circuited, shorted or grounded.

  在(电)网络中,当输出短路 、 短接或接地时的输入阻抗.

• A general expression of incident impedance of probe in waveguide is deduced first.

  首先推导出波导探针输入阻抗的一般变分表达式.

• Through adjustment and testing, radiating pattern, side - lobe level, gain and bandwidth of VSWR meet the requirements.

  经大量的实验调试与测量, 天线阵方向图 、 副瓣电平 、 各波束增益、输入阻抗和带宽等参数,基本满足设计要求.