The theory for generating Gaussian beam for calculating 2-d rough surface scattering is then given.
给出了计算二维粗糙面散射的高斯波束的理论。
The paper major in numerical method of the rough surface scattering, which focus on the method of moments.
本文的研究方向是粗糙面电磁散射数值方法，其中矩量法是本文的研究重点。
Based on the theoretical study of rough surface scattering, the experiment system is demonstrated to be feasible.
基于粗糙面散射理论研究，从理论上论证了实验系统的可行性。
These surfaces have a smoothly modulated profile which is amenable to the theoretical model of rough surface scattering. These specimens can also be used as phase screens.
这些样品表面具有连续平滑的起伏轮廓，符合粗糙表面散射研究的理论模型，也可用作相位板。
From the calculation value, it was known that the wind speed had strong impact on the scattering characteristic of dielectric ocean rough surface.
由计算的不同风速下双站散射系数可知，风速对海洋粗糙面散射特性的影响较大。
Through shadowing effect, we analysis light scattering characteristic of fractal rough surface.
引入遮蔽效应分析分形粗糙表面光散射特性。
The distributions of the scattering cross section for the Gaussian rough surface and fractal surface are compared and the influence of different surface RMS slopes on the shadowing effect is analyzed.
比较了高斯粗糙面和分形粗糙面的散射截面分布情况，分析了粗糙面不同均方根斜率对遮蔽效应的影响。
Thecoherent scattering of Gaussian beam by arbitrarily shaped convex dielectric object with rough surface is investigated.
研究了任意形状凸粗糙物体对高斯光束的相干散射特性。
It is difficult to theoretically calculate the laser scattering echo energy from rough surface of whole dimension target for complex environment in actual application.
由于实际环境的复杂性，理论计算大尺寸复杂目标粗糙表面的激光散射回波能量影响一直十分困难。
The frequency domain result of Gaussian beam scattering from rough surface is extended to the time domain and the effect of the beam waist radius is also discussed.
将高斯波束粗糙面散射的频域结果推广到时域，获得了与平面波入射时相似的结果，并分析了束腰半径变化对计算结果的影响。
Finally, the composite scattering from the target located below and above the rough surface is examined.
最后研究了粗糙面与其下方和上方目标的复合电磁散射问题。
Multiple scattering from two-dimensional rough surface with large surface root mean square(RMS) slope is studied with Kirchhoff approximation.
利用基尔霍夫近似研究了表面均方根斜率较大的二维粗糙面的多次散射问题。
The formula of the two-dimensional multi-objects is derived, then composite EM scattering from the object on one-dimensional rough surface is studied.
推导出二维多物体目标的无网格法的计算公式，求解了一维粗糙面与目标的复合电磁散射。
For the multiple scattering theory, the total scattered power from a random rough surface is contributed to, not only by single scattered waves, but also by those multiple scattered waves.
在多次散射理论中，随机粗糙面的总散射功率不仅与单次散射波有关，而且还取决于多次散射波。
Theoretical evaluation of the angular scattering enhancement around the back-scattering direction from a randomly rough surface is studied by employing the Kirchhoff approach.
用基尔霍夫近似，研究了随机粗糙面后向散射方向上角度性的散射增强的理论。
The dissertation presents systemic theoretical studies on the electromagnetic (em) scattering by rough surface and vegetation.
本论文就粗糙(地)面、植被表面电磁散射特性开展了系统的理论研究。
Detection of ocean surface dynamics with HF radar is a typical problem of wave scattering from a rough surface.
高频(HF)雷达海洋探测是典型的粗糙面对电波的散射问题。
This method has been applied to analyze electromagnetic scattering from random rough surface, two-dimensional random dielectric cylinders, microstrip structures and densely packed interconnects.
目前这种方法已被应用于随机粗糙面散射问题的分析、随机分布的二维介质柱的散射分析、微带结构的分析、密集封装的互联分析等问题中。
And a simulation with finite element method of the electromagnetic scattering from 3-dimensional random rough surface is shown for the accuracy and efficiency.
通过有限元法数值模拟三维随机粗糙表面的电磁散射，验证了方法的精度与效率。
The optical wave scattering from one-dimensional (1D) lossy dielectric Gaussian random rough surface is studied.
本文研究了一维有耗介质高斯随机粗糙面对光波的散射特性。
The optical wave scattering from one-dimensional (1D) lossy dielectric Gaussian random rough surface is studied.
本文研究了一维有耗介质高斯随机粗糙面对光波的散射特性。
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