wave impedance

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。

互联网摘选

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.

互联网摘选

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。

互联网摘选

Experimental Study on Wave Impedance and Lame Constant of Reservoir Sandstones

储层砂岩波阻抗及拉梅常数实验研究

互联网摘选

The wave impedance forward modeling technique is a conventional forward method based on reflection coefficient calculation.

波阻抗模型正演技术是一种基于反射系数计算的传统正演技术.

互联网摘选

Based on the research progress of miniaturized coupler design, a novel tapered stepped-impedance slow-wave loading structure is proposed in this dissertation. With the combination of transmission line theory, microwave network theory, and equivalent circuit theory, an accurate equivalent circuit model is proposed and analyzed.

基于耦合器小型化的研究现状，提出了一种新型的渐变阶梯阻抗慢波加载结构，并且结合传输线理论、微波网络理论、等效电路理论对该新型加载结构进行了准确的建模分析。

互联网摘选

Surface impedance of ferromagnetic metals and spin-wave resonance

铁磁金属的表面阻抗与自旋波共振

互联网摘选

In the far field, the wave impedance approaches a constant 377 ohm for any current distribution.

任何电流源之远场呈现定值的波阻抗.

网络文摘精选

The modeling result demonstrates that the azimuthal interface is also wave impedance interface.

模拟结果表明方位界面也是波阻抗界面.

互联网摘选

Analytical solution in frequency domain of dynamic response of thin-wall pipe piles with variable wave impedance under low strain transient concentrated load

变频器在二次方率负载调速中的运用低应变下变阻抗薄壁管桩动力响应频域解析解

互联网摘选