对基本时谐电流在磁化等离子体半空间的辐射进行了严格分析。
The radiation emitted by a time-harmonic elementary current in the magnetized electron plasma half-space, bounded by an ideal electric plane, is investigated using an exact formulation.
运用并矢代数方法,直接求解时谐电磁场的非齐次波动方程,并给出应用实例。
Using dyadic method, non-homogeneous wave equations of time-harmonic electromagnetic field are solved directly, several examples are calculated.
将海水看作无穷大的半空间,提出了基于准近场的时谐水平电偶极子的定位方法。
This paper presents a localization method of a time-harmonic HED based on quasi-near field in deep sea.
给出时谐电磁场矢量的积分关系式,探讨了辐射场的有效源,并应用于几个实例的计算。
The integral relationships of time-harmonic electromagnetic field vector are given, the effective sours of radiative fields is Studied, then some examples are calculated.
此外,还提出了对不同的边界条件、求解域内部边界、介质分界面和时谐场方程的处理技术以便应用该预处理器。
Besides, some techniques for boundary conditions, interior boundaries, interfaces between different dielectric media and time harmonic equation are proposed for the employment of this preconditioner.
这个角度永远不会很大,当我们算θ最大值时,你会看到,我们将会得到一个很,好的简谐震荡近似值。
The angles will never be very large, as you will see later when we calculate theta maximum, and so we know that we're going to get a simple harmonic oscillation to a very good approximation.
从谐衍射元件的理论出发,讨论了谐衍射透镜在消色差和消热差时的特性。
From the characteristic of harmonic relief patterns, the a thermalization and achromatism of harmonic diffractive element have been studied in the paper.
再次,利用多尺度法分析船舶在波浪中接近主共振、亚谐共振和超谐共振时的非线性横摇运动,并给出三种共振的近似解。
Moreover, the multiscale method was used to study the main, ultraharmonic and subharmonic resonances of nonlinear rolling in waves, and the approximate solutions of the three resonances were given.
外势有许多形式:简谐外势、光晶格外势、椭圆函数外势、双阱外势以及含时线性外势等等。
The external potential has many forms, such as harmonic oscillator potential, optical lattice potential, elliptic function potential, double well potential, and so on.
研究了弹性轨道条件下,控制回路中位置反馈信号存在时滞的磁浮系统在亚谐轨道激励作用下的响应问题。
The response of the Maglev system with delayed position feedback control under the sub-harmonic excitation of the flexible guideway is investigated.
利用积分变换方法得出了两相材料中作用简谐集中力时的格林函数。
By using Fourier transform method, the Green function of a point harmonic force applied at a bi-material plane is obtained.
当响应频率等于派生系统的固有频率时,将会出现主共振、超谐共振和组合共振现象;
When the response frequency is equal to the eigen-frequency of a derived system, harmonic resonance, super-harmonic resonance and combined harmonic resonance may occur.
分析了矩形超声清洗槽槽底自由振动时的谐频率。
The frequency of the bottom of the ultrasonic cleaning basin is studied, during the bottom freely vibrating.
分析了矩形超声清洗槽槽底自由振动时的谐频率。
The frequency of the bottom of the ultrasonic cleaning basin is studied, during the bottom freely vibrating.
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