impedance
美 [ɪmˈpid(ə)ns] 
英 [ɪmˈpiːd(ə)ns]
英汉双解
1. | 阻抗a measurement of the total resistance of a piece of electrical equipment, etc. to the flow of an alternating current |
英汉解释
英英解释
例句
The path isolation for a matrix card is the impedance from the HI and LO terminals of one path to the HI and LO terminals of any other path.
矩阵开关卡的通路隔离是指从一条通路的HI和LO端子到另一条通路的HI和LO端子之间的阻抗。
What sort of impedance mismatches are between them.
相互之间存在的问题种类。
The data bus must go into a high-impedance state at least one cycle before output of the latest data.
在这种切换中，读出的数据有效前，数据总线至少需要有一个时钟的高阻状态。
Since the secondary winding is normally operated into a high-impedance circuit, the secondary current is quite small.
因为次级绕组通常输入高阻抗的电路，因此次级电流很小。
From this point impedance checks are continuous, the device only allows shock in case of acceptable satisfactory impedance.
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。
By sticking PZT onto the surface of the structure to be tested and employing piezoelectric impedance technology.
将压电陶瓷片粘贴在待测结构的表面，运用压电阻抗技术，对结构中螺栓松动的损伤进行检测分析。
At the point where the capacitor impedance equals the resistor, the gain of the entire circuit begins to fall off toward a gain of one.
在这点电容的阻抗等于电阻增益整个电路开始坠落走向增益之一。
Unless the averaging value of the cable's characteristic impedance is very close to the system's impedance or SRL always is better than RL.
除非电缆特性阻抗的平均值非常接近与系统阻抗，否则结构回波损耗总是比回波损耗较好些。
It is possible for the feed system to have a low impedance, looking downstream from the pressure source at a certain frequency.
在压力源下游，供应系统在某一频率下可能有一低的阻抗。
Due to its robustness to non-normal distributions and outliers, the median was used to estimate the impedance amplitudes.
由于其鲁棒性的非正常分布和离群，中位数是用来估计阻抗振幅。
The structures perform similarly to an object covered with the surface impedance.
该结构能起到消除表面阻抗的作用。
The Wheatstone bridge is most sensitive to small fractional impedance changes in one of its arms when all the arms are the same impedance.
惠斯通电桥在四个桥臂阻抗相同时而其中的一条桥臂发生哪怕是极小的变化都非常敏感。
SPD that it shows high impedance when there has no surging, and becomes low impedance while surging voltage occurs .
没有电涌时具有高阻抗，有浪涌电压时能立即转变成低阻抗的SPD。
Precise impedance analyzer HP4294A has been used for experiment research on beams, slabs and 3 floors of steel frames.
利用精密阻抗分析仪HP4294A对梁、板和三层钢框架进行了实验研究。
The aim of this study was to determine the optimal impedance range required during RF excitation based on an assessment of image quality.
本研究的目的是为了确定最佳阻抗范围期间所需的射频激励进行评估的基础上的图像质量。
These gas sandstones have better anomaly pattern only when the gas volume has been up to a given size, due to their low acoustic impedance.
研究区含气砂岩具有低阻抗特征，只有当含气量达到一定规模时才有较好的异常显示。
None of the surveyed materials were found to be suitable for use as impedance matched specular radar absorbers.
遴选的材料没有发现适用于匹配镜面雷达吸收剂的阻抗。
Objective: To understand the reliability of multifrequency segmental bioelectrical impedance analysis in measuring physical performance.
目的：了解多频节段生物电阻抗分析法测量人体成分的可信度。
In DC coupled applications, input impedance is not as important as input current and its voltage drop across the source resistance.
输入阻抗与输入电流和由输入电流在源阻抗上产生的压降相比是处于次要地位的。
The finite dynamic element of triangular bending plate is expressed in frequency expansion form of a single impedance matrix.
用单一的阻抗矩阵的频率展开式表述三角形弯曲板的动态有限元。
The "matched wave impedance" approach was assumed, although none of the published Chinese materials possessed the required properties.
假设“匹配波阻抗”方法，尽管中国所公开的（吸波）材料并不具有所需属性。
For the shallow defect, the size of the defect could be estimated by reflecting coefficient, whose impedance is not considered.
对浅部缺陷，可以近似用无阻力反射系数来估算缺陷的大小；
It has been a new technology in recent 20 years to measure the body component by using the bioelectrical impedance analysis (BIA).
生物电阻抗法测量人体成分是近20年发展起来的一项新技术。
In the electrical equipment and radio roads that are commonly used for lifting voltage and impedance matching.
在电器设备和无线电路中，常用作升降电压、匹配阻抗。
This paper established the overall design scheme for the system after analyzing the impedance characteristics of piezoelectric transducer.
本文在分析了压电换能器的阻抗特性之后，确立了自动阻抗匹配系统的总体设计方案。
In particular, multiple capacitors of different values may be connected in parallel to provide low impedance over a wide frequency range.
在特殊情况下，可以将多个不同数值的电容器并联，以便在很宽频率范围内提供低阻抗。
Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.
在理想的情况下，当把电压表连接到一个没有电压的、阻抗比较低的电路时，电压表的读数应当为零。
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。
The phenomenon of arc starting will occur easily when high impedance coating occurs on the surface of aluminium alloy sample.
铝合金样品表面预先制备高阻抗膜有利于发生微弧氧化起弧现象；
Hibernate is a scheme of data persistence used to solve the "impedance mismatch" between the relational model and the object model.
同时使用Hibernate作为数据持久的方案来解决关系模型与对象模型之间的“阻抗不匹配”问题。
The primary errors caused by an impedance mismatch are the frequency response and amount of squarewave ringing.
最初因为不正确的阻抗匹配所导致的数据错误值是在频响方面及方波震铃。
The impedance of coax-fed arbitrary shape microstrip patch antenna is investigated by the moment method.
采用基于二级离散复镜像法的矩量法，分析了同轴馈电的任意形状微带天线的输入阻抗。
The Ansys software was used for simulating the 3D electric field distributions of the impedance sensor in stratified flow.
利用Ansys进行了阻抗传感器油水水平分层条件下的三维电场仿真研究。
Its impedance bandwidth for the two operating frequencies can be further enhanced by increasing the width of the longer monopole.
增加长单极子的宽度，得到了更宽频带的双频天线结构。
The guard can be used to isolate the high impedance input lead of the ammeter from leakage current due to voltage sources.
保护可以用来把安培计的高阻输入引线和由电压源引起的泄漏电流隔离开来。
FTIR, TEM, AC impedance were used to investigate the electrolyte and relationship between ionic conductivity and inorganic oxide particles.
通过红外光谱、透射电镜和交流阻抗分析对聚合物基体及聚合物电解质进行了分析。
The individual fuel cell is controlled based at least in part on the impedance characteristic.
个别燃料电池控制部分基于阻抗特性以上。
The equivalent circuit can be used to calculate the input equivalent impedance and the voltage transfer functions of the windings .
利用这个模型可以计算变压器的入端阻抗及各个节点的电压转移函数。
The two-microphone method is investigated for the objective of in situ measuring the impedance of an acoustic liner in a duct.
对现场测量管道声衬声阻抗的双传声器法进行了研究。
Some RS-485 Transceivers modify the input impedance to allow up to 8 - times more nodes to be connected to the same bus .
有些RS-485收发器修改输入阻抗以便允许将多达8倍以上的节点数连接到相同总线。
