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1·The problems for calculating em energy absorption by lossy dielectric scatterer irradiated by plane wave are discussed.

本文论述了用时域有限差分法计算平面电磁波照射下有耗介质中电磁能量的吸收问题。

2·Multiresolution analysis is used to estimate the scatterer spacing in biological tissue from the back-scattering signal.

本文研究了从生物组织的背向散射信号中提取散射元间距信息的多分辨率分析方法。

3·A three-dimensional linearized elastodynamic inversion method to reconstruct the shape of scatterer has been investigated in this paper.

用三维线弹性动力学的反演方法重构了弹性介质中散射体的形状。

4·Parameter estimation of radar target scatterer plays an important role in the process of target characteristics analysis and target recognition.

雷达目标散射中心的参数估计对目标特性分析和目标识别有重要意义。

5·Average scatterer spacing is one of the important parameters in describing the biological tissue microstructure and its ultrasonic scattering characteristics.

生物组织散射元平均间距是描述生物组织微观结构和超声散射特性的重要参数。

6·A new method for analyzing the Radar Cross Section (RCS) of a complex scatterer is put forward in the paper, which is a method of frequency characteristic extrapolating.

本文提出了一种新的复杂散射体雷达散射截面(RCS)的分析方法——频率特性外推法。

7·It is of both theoretical and practical importance to reduce the storage and CPU time of moment methods by utilizing the geometrical and physical features of the scatterer.

利用散射体的几何和物理特征，减少用矩量法求解散射场过程中所需要的存储量和计算时间，是当前具有理论和实际意义的重要课题。

8·The existence of closed geodesic lines (oscillate loci) is proved. Although there are infinite closed loci on the surface of scatterer, they yield same result in determining SEM poles.

本文给出了闭合测地线，即振荡轨迹的存在性，证明了这种闭合轨迹虽有无穷多条，但就确定SEM极点来说是等价的。

9·In order to reconstruct the shape of scatterer d, we establish the relation between the scatterer and the far field pattern. The relation can be fixed by so called far field operator f.

为了能够重构散射体d，我们可以建立起远场模与散射体之间的联系，这种联系可以通过所谓的远场算子f来确定。