查询词典 reciprocity

Expressions of the coupling length and the coupling area of an antenna to electromagnetic waves excitation are deduced with the reciprocity theorem.

应用互易定理推导出了电磁波激励下天线的耦合长度和耦合面积的表达式，这两个物理量可以表征天线的响应特性。

The generalized magnetostatic field reciprocity theorem is deduced by the language of differential forms.

应用微分几何语言导出了广义静磁场互易定理，并应用该定理推导了漏磁无损检测数值分析中的富内德和蒙积分方程和线圈电感增量公

The far-field radiated by the surface currents is calculated using the reciprocity theorem to avoid the Sommerfeld integration.

得到近场数据后，为避免复杂的Sommerfeld积分，用互易原理简化了外推过程。

The far-field radiated by the surface currents is calculated using the reciprocity theorem instead of the more complicated Sommerfeld integration.

得到近场数据后，为避免复杂的Sommerfeld积分用互易原理简化了外推过程。

Meanwhile, the reciprocity theorem is used to evaluate the composite scattering from plasma-coated sphere-sphere pair /cylinder-cylinder pair.

本文同时应用互易性原理计算了等离子体涂覆球-球，等离子体涂覆柱-柱复合目标的电磁散射特性。

In this paper, based on the reciprocity theorem, the light scattering from a spherical particle above a slightly rough dielectric surface is studied.

基于互易定理研究了光波入射时微粗糙面与其上方球形粒子复合模型的光散射。

Based on the particularity of receiving and observing system in 3-D VSP surface shot hole and by use of reciprocity theorem of seismic wave field,a method of carrying out wave equation migration is proposed for 3D VSP .

常规的三维VSP地震数据偏移成像大都使用基于射线理论的Kirchhoff积分方法在共炮点道集中进行，因此对地下速度横向变化大的复杂构造区适应性差、效率很低。

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 composite scattering between dielectric sea surface and a conducting plate above it is calculated by using Physical Optical method and reciprocity theorem. Meanwhile, the dependence of the plate size on the composite scattering field is considered. The Doppler spectrum and the chaotic characteristic for the time series of composite scattering field are analyzed. Finally, artificial neural networks and wavelet analysis are introduced into the study of the sea clutter to realize the purpose of target detection, the factors which affect the detection of the target are discussed and the solutions to these problems are given.

同时利用物理光学近似结合互异性原理计算了介质粗糙海面与其上方导体运动平板的复合散射，考虑了平板尺寸对复合散射场的影响，并对复合散射场时间序列进行了多普勒谱分析和混沌分析，最后将人工神经网络和小波分析引入到海杂波的分析当中，实现了海杂波中目标探测的功能并讨论了影响目标探测功能的因素以及解决这类问题的方法。

Associating with the reciprocity theorem, the second-order coupling scattered fields between the rough sea surface and a 2-D cylinder above it are calculated.

根据得到的表面电流及散射场，结合互易性定理求解了二维柱体同海面之间的二次耦合散射场。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。