本文将在均匀球粒子GOA方法的基础上，系统研究梯度折射率球粒子对平面波和在轴高斯波束散射的GOA方法；
The geometrical optics rainbow angles are studied on the base of ray tracing and GOA of plane wave scattering by infinite eccentric cylinder is derived.
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。
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.
对影响雷达方位分辨率的因素进行了分析，提出用于目标回波图像模拟的雷达波束数字化模型和相应目标散射模型。
This paper analyzes the factors affecting radar bearing resolution, provides digital beam model and target scattering model to simulate target echoes image.
使用波束分解算法，对海洋表面微波散射进行数值分析。
A beam decomposition algorithm is developed to analyze the microwave scattering from ocean-like surfaces.
分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。
For scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.
本文根据复射线分析和场的高斯波束展开，提出了一种计算复杂目标电磁散射特性的简便方法。
Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented.
研究激光引信波束对复杂目标在近场交会过程中的散射特性。
Laser beam scattering by an object in near field is studied.
给出了计算二维粗糙面散射的高斯波束的理论。
The theory for generating Gaussian beam for calculating 2-d rough surface scattering is then given.
海杂波指雷达波束照射到海面上后引起的后向散射杂波，是海防预警雷达的主要噪声干扰。
Sea clutter is the backscatter from fluctuant sea surface. Sea clutter is the major noise interference of seaborne radar.
讨论了波束宽度等因素对其散射特性的影响并与平面波入射的结果进行了比较。
The numerical results are discussed and compared with those obtained in the plane wave incident case.
研究了双各向同性介质球对高斯波束的内场、表面场和远区散射场分布特性。
The angular distributions of the far-scattered fields, near-surface fields, as well as the two eigen modes for the internal fields are analyzed.
研究了双各向同性介质球对高斯波束的内场、表面场和远区散射场分布特性。
The angular distributions of the far-scattered fields, near-surface fields, as well as the two eigen modes for the internal fields are analyzed.
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