impedance

英 [ɪmˈpiːdns]

美 [ɪmˈpiːdns]

n.  阻抗

复数：impedances　

计算机

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
  Synonym:electric resistanceelectrical resistanceresistanceresistivityohmic resistance

双语例句

• Protective impedance and radio interference filters are disconnected before carrying out the tests.
  在进行该试验前断开保护阻抗和无线电干扰滤波器。
• 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。
• The cross-polarization isolation and impedance matching are discussed.
  分析了天线的交叉极化特性和阻抗匹配特性。
• Effects of surface impedance characteristics of the structure on the two sides are different.
  结构两侧表面阻抗特性的影响规律和程度存在差异。
• Common low impedance connection points are signal low and guard.
  常见的低阻抗连接点为信号低电平和保护线路。
• 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。
• Especially it solves the identification problem of high impedance fault well.
  尤其较好地解决了高阻抗非线性故障的识别问题。
• The applications of electrochemical impedance spectroscopy to the research of electrodeposition of various metals and alloys were introduced.
  介绍了电化学阻抗谱在各种金属及合金的电沉积研究中的应用。
• This current will cause errors in low current measuring or in high impedance circuits.
  在测量小电流或高阻电路时，该电流会引起误差。
• A design of Magnetic resonance electrical impedance tomography ( MREIT) system is presented.
  介绍了磁共振电阻抗成像系统设计。