In order to get a better understanding of the effects of the near-field impedance, some cases of the variation of the near-field foundation models have been examined.
为了得到更好的理解的近场的阻抗的影响，有些情况下的近场的基础模型的变化已被检查。
The MOSFET input diode is controlled by an electric field in the gate region, thus the input impedance is always extremely high because there is no forward biased diode to lower the input impedance.
MOSFET的输入二极管是由一个电场控制在门区，因此总是输入阻抗非常高，因为没有正向偏置二极管，以降低输入阻抗。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而不同容量的负载，以及负载的不同功率因数，对同步发电机励磁磁场的作用是不同的，对同步发电机的内部阻抗压降的作用也是不一样的。
Utilizing the field matching method, we present an analytic formula for calculating the characteristic impedance of rectangular coaxial transmission lines.
本文提出全矩形线特性阻抗的一个新计算方法，即利用场匹配法导出特性阻抗的闭合式解。
A general formula is given for calculating the mutual impedance be tween two dipoles by means of the induced electromotive method and the field transformation formula.
本文采用感应电动势法和场量变换公式给出了计算二振子互阻抗的一般公式。
Wave impedance inversion and imaging of the medium between the casing and the formation based on the practical data of an oil field are carried out.
最后对现场实测资料进行了套管-地层环空间内介质的波阻抗定量反演与成像。
This article discussed the relationship of the inductive current, the lever of electromagnetic field, and the loop circuit impedance by some test date concisely.
文章通过理论分析和试验数据，对感应电流与电磁场幅度及环路阻抗的关系进行了探讨。
In this paper, room sound field theory as the basis of measurement based on reverberation chamber and waveguide theory as the basis of measurement based on impedance tube are introduced.
本文介绍了声学特性测量混响室法的基础室内声场理论与阻抗管法的基础管道平面波理论。
The acoustic field is calculated through the integral equality of acoustic pressure and velocity at the axial impedance discontinuous planes.
声场通过轴向阻抗间断面的声压和声质点速度积分相等计算。
Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
仪表放大器电路以其高输入阻抗、高共模抑制比、低漂移等特点在传感器输出的小信号放大领域得到了广泛的应用。
From those, we also obtain the distributing of field, dispersive function, and coupling impedance of rectangle grating structure.
并由此推出矩形栅的场分布，色散方程和耦合阻抗。
The distributing characteristics of the electromagnetism field in the RF coaxial cable and the expression of characteristic impedance are introduced.
介绍了射频同轴电缆线中电磁场分布特点和其特性阻抗表达式。
Piezoelectric impedance technology which is based on smart material is a brand-new method for structural damage detection, and it could be widely applied in structure health monitoring field.
压电阻抗技术是一种基于智能材料的结构损伤检测新技术，在结构健康监测领域有着广泛的应用前景。
In measuring magnetic and electric field, noise will make impedance severely biases and affect correctness, accuracy and reliability of explanation.
在电磁场观测中噪声的存在将引起阻抗的严重畸变，干扰了解释的正确性、精确性和可靠性。
The electric-field distribution in a simulator indicates that, the electric field of most area in the impedance sensor is homogeneous.
模拟装置的电场分布显示，传感器内大部分区域电场的分布是均匀的。
The rock impedance with two electrode arrangement in alternating current field is simulated by a new resistance and capacitance network model.
应用电阻和电容网络模型来模拟电极发射法交变电场岩石阻抗。
A new method (field analysis method) is presented to calculate gap-impedance in a klystron output circuit based on the analysis of the electromagnetic field components and microwave circuit theory.
从分析速调管输出回路的电磁场分量入手，结合微波电路理论，提出了计算速调管输出回路间隙阻抗的场分析法。
It is promised that the lobe pattern and impedance of a antenna are kept common in a wider frequency field (as bandwidth is 10 or more).
通常希望一个天线的波瓣图和阻抗能在一个较宽的频率范围内(例如频带宽度为10或更高)保持不变。
The commercial software SYSNOISE which is based on the boundary element method is used to calculate the acoustic radiated field and radiation impedance of various sources.
研究了利用基于边界元方法的SYSNOISE软件来计算各种声源的声辐射。
Later, the giant magneto-impedance effect (GMI) was found in these materials. It supplies a new approach of exploiting magnetic sensors with high sensitivity, and has become a new research field.
而后来在该类材料中发现了巨磁阻抗(GMI)效应，为开发高灵敏度磁敏传感材料提供了新途径，更成为该领域一个新的研究热点。
In Chapter 4, the impedance characteristics and electromagnetic field modes of SIW and rectangular waveguide are analyzed firstly.
在第四章，首先分析基片集成波导和矩形波导的阻抗特性及电磁场模式特点。
A filter media for an active field polarized media air cleaner comprises two layers of dielectric material, and a high-impedance permeable net is sandwiched in the low-impedance dielectric layer.
一种用于有效场极化介质空气净化器的过滤介质，包括两层介电材料，并且在低阻抗的该介电层之间夹设有高阻抗的透气网。
Through check, it is found that minimum excitation limit is calculated in P-Q plane, while impedance type loss-of-field protection is analyzed in R-X plane.
“发电厂并网运行安全性评价”要求验证低磁励限制与失磁保护的整定关系，在实际校核中，发现低磁励限制是在P-Q平面进行计算的，而阻抗型失磁保护是在R-X阻抗圆平面进行分析的。
Through check, it is found that minimum excitation limit is calculated in P-Q plane, while impedance type loss-of-field protection is analyzed in R-X plane.
“发电厂并网运行安全性评价”要求验证低磁励限制与失磁保护的整定关系，在实际校核中，发现低磁励限制是在P-Q平面进行计算的，而阻抗型失磁保护是在R-X阻抗圆平面进行分析的。
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