impedance
英 [ɪmˈpiːdns]
美 [ɪmˈpiːdns]
n. 阻抗
复数：impedances
BNC.13555 / COCA.25837
牛津词典
noun
- 阻抗
a measurement of the total resistance of a piece of electrical equipment, etc. to the flow of an alternating current
英英释义
noun
- a material's opposition to the flow of electric current
双语例句
- The chemical attack of sulfate on the concrete was studied by AC impedance technique.
应用交流阻抗谱方法，研究了硫酸盐对混凝土的化学侵蚀。 - An Electrical Impedance Tomography system for thorax monitoring was introduced.
介绍了一种用于胸腔监测的电阻抗成像系统。 - A set of practical formulas is summarized for calculating the impedance and resistance components of trapper.
总结了一套实用的阻波器阻抗和电阻分量的计算公式。 - 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。 - High impedance voltage switching may be necessary in applications such as monitoring electrochemical cells and measuring semiconductor resistivity.
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。 - A model of contact impedance is introduced and its influence on high speed signal transmission is analyzed.
提出射频同轴插接器的高频接触阻抗模型，研究它对高速信号传输的影响。 - An virtual electronic automatic matching system was designed, used for RFID antenna impedance.
构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。 - According to the electric parameters, the influence of the resonator structure on the equivalent impedance was analyzed.
以所提取的电参数为依据，分析了谐振器的结构对谐振器的等效阻抗的影响。 - Percolation structure of concrete was tested and characterized by AC impedance spectroscopy.
混凝土的渗流结构可以用交流阻抗谱方法来测定和表征。 - The high impedance devices and signal sources must also be shielded.
高阻设备和信号源也必须是屏蔽的。