查询词典 wave propagation

The fields radiated by these currents in the presence of curved earth are then calculated using the reciprocity theorem and the known ground wave propagation formula of a vertical electric dipole S.

在数值结果验证了该公式的正确性之后，对海面上一金属半球的散射场进行了求解，并以此与工程应用中的近似方法相对比，考察了工程应用方法的近似程度。

The principles of time domain reflectometry and the properties of electromagnetic wave propagation in coaxial cable are described for the applications of TDR technology to slope monitoring.

1引言 滑坡运动情况的监测是交通、矿山、建筑及水利等工程的一项重要课题，通过监测可以掌握其活动情况、破坏机理及对工程的影响，预测可能发生的破坏，从而为防灾减灾提供依据。

The wave propagation simulation in complex media is one of the essential problems of seismology and seismic research.

地震波场的数值模拟是地震学与地震勘探研究中的一个基本问题。

By sky or ground wave propagation, the detection range of the HF radars breaks through the limit of the curvature of the earth, which makes it possible for long-range air early-warning and target monitoring. At the same time the unique abilities in detecting low-detectable targets of the HF radars makes them powerful equipments for detection of hermit aircrafts, small airplanes in heavy land and sea clutters, and even intercontinental missiles.

借助于天波或地波传播方式，高频雷达的探测范围突破了地球曲率的限制，因此使远距离空中预警和目标监测成为可能，同时高频雷达所具有的独特和良好的对低可探测性目标的探测能力，使之成为探测隐形飞行器和处于强地杂波和海杂波背景中的小型军用飞机、巡航导弹等贴地、贴海飞行的小目标及洲际导弹进行有效探测的有力装备。

Finally, it is pointed that physical interpretation based on the theory of spherical wave propagation is of more practical meaning.

本文在文献[1]基础上，以球面波传播原理和介质阻尼效应对修正算子γB00的物理含义进行了分析。

First, First term formulae are deduced systematically which describe spherical wave propagation in elastic medium.

首先系统地推导了球面波在弹性介质中传播的首项公式。

Wave propagation rotational spring model impedance cracked beam damage identification

波传播；弯曲弹簧模型；阻抗；裂纹梁；损伤识别

The effects of several parameters of a digital ultrasonic borehole televiewer on system performance are analyzed, for example, those of the distance measuring error, the crack distinguishability, the side beam of the ultrasonic transducer and the wave propagation attenuation, The distance measuring error depends mainly on the accuracy of time measurement.

本文分析了数字井下超声电视系统中影响系统性能的几个主要参数，其中包括距离测量误差、系统的裂缝分辨力、超声换能器的副瓣影响以及声波的传播损耗等。

The influences of initial stress on the vibration and transverse wave propagation in carbon nanotubes under ultrahigh frequency (above 1THz) were investigated.

本文研究初始应力对碳纳米管在极高频率(大于1THz)下横波传播的影响。

The transverse wave propagation in carbon nanotubes/polymer composites laminated structures under ultrahigh frequency(about 1THz)was studied based on the multiple-elastic-beam model.

通过多层弹性梁模型研究了碳纳米管/聚合物复合材料层合结构在高频率(1 TH z左右)下的横波传播，分析了碳纳米管的体积分数和手性对其传播的影响。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。