wave impedance的例句大全

Design and optimization of wave impedance distribution for flyer materials

梯度飞片材料的波阻抗分布设计与优化

A new method of lithology parameter extraction is presented in terms of elastic wave impedance.

我们依据弹性波阻抗理论,提出了一种岩性参数提取方法.

A New Surface Acoustic Wave Impedance Sensor and Its Application in Liquid System

一种新型的表面声波阻抗传感器及其在液相体系中的应用

fault location based on travelling wave for transmission line by considering the frequency impedance characteristics

考虑输电线路阻抗频率特性的高精度行波定位方法

For decreasing the phase velocity further, the inner slotted rectangular waveguide grating slow wave structure is proposed, and is simulated by CST. The effect of physical dimensions on dispersion and coupling impedance is analyzed. 7.

为了进一步降低相速，研究了内开槽矩形波导栅慢波结构，用三维电磁模拟软件进行模拟，分析了结构尺寸对其色散特性和耦合阻抗的影响。

As the research indicates, the structural parameters of the spiral curve slow-wave systems have complicated influence on its fundamental wave dispersion characteristics and coupling impedance.

研究结果表明，螺旋线慢波系统的结构参数对它的基波色散特性和耦合阻抗影响非常复杂。

Under the assumption that the electron beam is single-velocity and one-dimensional, the transmission equation of space charge wave set up in the conical electron beam is derived and the process of noise impedance transformation is obtained.

在单速、一维假定下，推导了球形收敛电子注上的空间电荷波传播方程和噪声阻抗的变换过程。

Analysis of input impedance of medium wave antenna with computer

中波天线输入阻抗计算机分析

the problem of scattering of a plane electromagnetic wave incident on an impedance conducting cylinder cladded with a composite and anisotropic chiral medium sheath is solved.

本文解决了平面波入射时涂覆各向异性复合手征介质的阻抗圆柱体的电磁散射问题。

Starting with radio wave propagation mechanism, the indoor depolarization phenomenon is analyzed, and the special antenna requirements of WHAN ( wireless home area network) for polarization, radiation and impedance match are researched.

从电波传播机理出发，分析室内电波的退极化现象，研究WHAN对天线的极化、辐射及阻抗匹配特性的特殊要求。

In terms of concept of radio highfrequency antenna impedance matching and analyzing design of energy converter of the brain disease curing device, a engineering method of designing the supersonic-wave power output transducer are given and precautions are shown finally in this paper.

本文借助无线电高频天线阻抗匹配的概念，通过对脑病治疗机换能器设计的分析讨论，给出了超声波功率输出换能器工程设计的方法及应注意的几个问题。

Atrial wave change amplitudes ( Adz/ dt) at a variable postextrasystolic interval ( PESI) were observed in 21 patients with coronary heart disease ( CHD) and 22 normal subjects using extrasystole induced by transesophageal pacing combined with differential impedance cardio-ra m.

用食道心房调搏诱发早搏，结合心阻抗微分图观察不同早搏后代偿间期时正常人（22例）及冠心病人（21例）A波振幅变化。

The piezoelectric bulk acoustic wave ( BAW) impedance analysis method was employed to monitor in situ acetylcholinesterase-catalyzed hydrolyzation of acetylcholine and the effect of methamidophos insecticide on the enzyme activity.

采用压电体声波阻抗分析法实时动态监测了乙酰胆碱酯酶对乙酰胆碱的酶促水解过程及农药甲胺磷对酶活性的影响。

The boundary element formulation considering impedance surfaces is deduced from Helmholtz wave equation.

本文从Helmholtz波动方程出发，导出了考虑结构表面有声阻抗材料时的边界元方程形式。

Surface impedance of ferromagnetic metals and spin-wave resonance

铁磁金属的表面阻抗与自旋波共振

the wave polarization and impedance characteristics in the near field of combinations of an electric and a magnetic hertz dipoles .

赫芝电偶极与同向赫芝磁偶极混合源近场之极向与波阻抗特性。

the impedance matching circuit is used for improving the load capacity of the circuit so as to improve the pulse ultrasonic wave form;

所述阻抗匹配电路用于提高电路的负载能力，改善脉冲超声波形；

First of all, base on the theory of coupled-wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation.

首先，在耦合波理论基础上运用阻抗微扰法分析了内开槽螺纹波导的冷腔色散特性，通过数值运算作出了冷腔色散曲线同时用三维粒子模拟软件进行了相应的冷腔分析。

Objective To investigate the wave shape and wave amplitude of reconstructed impedance volume cardiogram.

目的探讨重建心阻抗容积图的波形、波幅.

Through nu-meral simulation, the variation of P wave elastic impedance with in-cident and azimuthal angle was described; the effect of anisotropic parameters on P wave elastic impedance in arbitrary azimuth and the precision of new approximation formula were analyzed.

通过数值模拟，对纵波弹性阻抗随入射角和方位角的变化特征进行了描述.分析了各向异性参数对不同方位纵波弹性阻抗的影响.以及新近似公式的精度。