基于波数积分声场模型和虚源方法，开发了可计算海底掩埋物体三维散射声场的模型软件。
Combining the wavenumber integral model and virtual source method, a software for 3d scattering field from the buried target was developed.
针对转台-弧形导轨测量方法，在二维memp方法的基础上，提出一种适用于三维散射中心提取的超分辨率算法。
Aiming at the turntable-arc-orbit measurements method, a super-resolution algorithm for the 3-d scattering centers extraction is presented based on the 2d MEMP method.
为了讨论混响对双基地声呐探测范围的影响，利用经验证的三维散射模型，讨论在不同入射、散射掠射角和散射方位角约束下的海底散射强度分布。
The distribution of sea-floor scattering strength held in the incident grazing angle, scattering graze angle, and scattering azimuthal angle was analyzed using a 3-D model that was validated.
在EY水溶液三维荧光等高线光谱图中，瑞利散射线与荧光等高线有部分相交。
In three-dimensional fluorescence contour spectra of EY aqueous solutions, Rayleigh scattering line intersects with fluorescence contour.
在三维荧光等高线光谱图中，瑞利散射线与荧光等高线相交。
In the three - dimensional fluorescence contour spectra of RhB, Rayleigh scattering line intersects fluorescence contour.
利用电子束的弗拉索夫分布函数理论和三维波导模的波动方程求得在康普顿区域中的散射波色散关系。
By making use of the Vlasov distribution theory and the three dimensional wave equation of waveguide modes, the dispersion relation of scattered waves in Compton region is deduced.
本文首先研究了三维导体目标的电磁散射。
Firstly, the electromagnetic scattering of three-dimensional conducting targets are calculated.
本文基于多层快速多极子方法，采用了渐进近似的原理，开发出了几种高效快速方法来分析复杂目标的三维矢量散射。
Based on MLFMA, this paper USES several approximate methods, and implement some highly efficient and fast methods to analyse em scattering of complex 3d targets.
本文将准正交高阶叠层矢量基函数用于时域电磁场积分方程(TDIE)，求解了三维金属目标的时域电磁散射问题。
The near orthogonal hierarchical vector basis functions are used for solving three-dimensional time-domain electromagnetic integral equations (TDIE) of the metallic object.
合理利用微波散射成像对地物目标高程分布的敏感性，可能获得三维目标的高度信息。
It is possible to acquire the height information of three-dimensional ground objects because of the imaging sensitivity of this method to the height difference of ground objects.
阐述了含吸收散射性介质三维空腔内辐射传递方程的离散坐标解法。
The discrete ordinate approximation method of three dimensional radiative transfer equation in absorbing scattering medium is expounded.
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。
A three-dimensional linearized elastodynamic inversion method to reconstruct the shape of scatterer has been investigated in this paper.
在第四章，主要研究了三维情况下的逆散射奇性反演算法。通过2.5维模型数据的检验，证明了算法的有效性。
In chapter 4, the author studies the singularity inversion arithmetic of inverse scattering series in three dimensions and proves validity of arithmetic through 2.5d theoretic model data.
将投影迭代法应用于分析任意二维和三维电大导体目标的电磁散射特性。
The projection iterative method (PIM) is used to analyze electromagnetic scattering characteristics of two dimensional and three dimensional electrically large conducting objects in this paper.
将矩量法与迭代物理光学法结合解决带有槽缝结构的二维电大尺寸目标的电磁散射问题，并将解决的问题范围拓展到三维电大尺寸金属目标的情况，为混合方法的研究提供了一定的参考依据。
Finally the scattering problems of complex-shaped electrically-large 2d PEC targets are solved based on the hybrid method of IPO and MoM, which can be easily expanded to the 3-d condition.
利用矩量法研究了三维导体、均匀介质体以及非均匀介质体的电磁散射特性。
In this paper, three-dimensional targets are calculated using MOM. These targets include conducting targets, homogeneous dielectric targets and inhomogeneous dielectric targets.
使用所提出的新方法，有效地解决了复杂三维介质结构散射和辐射特性的计算难题。
Based on the new method, the scattering and leaky characteristic of complicated 3-d dielectric structure had been solved effectively.
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。
And a simulation with finite element method of the electromagnetic scattering from 3-dimensional random rough surface is shown for the accuracy and efficiency.
用这种方法对导波结构三维不连续性散射问题的分析，证实了它的有效性和可靠性。
The analyses of the scattering characteristics of some 3-D dis-continuity problems in guided wave structures verify the effective and reliability of the present method.
该文采用小波矩量法求解导电平面上的三维腔体散射，利用小波变换稀疏化矩量矩阵，加速其求逆，减少了腔体散射的总体计算时间。
Scattering from three-dimensional cavities is solved using the wavelet-MoM method, while the moment matrix is sparsified with help of the wavelet transform.
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
In this paper, the time domain integral equation method (TDIE) and its application for transient scattering of arbitrarily shaped 3d conducting objects are studied.
波导多层存储是一种基于新原理的三维光存储新技术，它利用波导缺陷的光散射效应读出数据，因此如何对光盘信息坑散射光强的进行测量是波导多层存储须解决的关键技术之一。
Waveguide multiplayer optical memory is a kind of new 3D optical memory based on new principle, and it can read the data by utilizing the effect of light scatter of Waveguide defect.
建立三维虚拟再现模型，实现了玉米冠层内PAR 直射辐射、散射辐射和总辐射的三维空间分布模拟结果的三维可视化显示，增强了模型的表达能力。
The 3D visualization model to present the simulation results of the distribution of sunflecks, diffuse PAR and total incident PAR in canopy into 3D images was realized.
第五章采用积分方程法研究面波的散射，和第四章的不同在于，我们利用此方法可以分析三维非均匀体对不同点源激发的面波的散射。
Integral equation method is used to calculate the scattering of the surface waves in chapter 5. Different from the chapter 4, this method can handle the situation of the point sources.
文章推导了三维标准的抛物线方程及相应的近场-远场变换理论，并计算了理想导体球的雷达散射截面；
In the paper, the three-dimensional standard parabolic equation(SPE) and near-to-far-field transformation are deduced, and the radar cross section(RCS) of a perfectly conducting sphere is calculated.
对投影光栅方法获得的位相调制空间载波图进行二维数字图象处理，实现了散射物体的三维曲面测量。
The shape measuring of a diffuse abject is conducted based on 2-D digital image processing phase modulated fringe pattern acquired by the projection of Ronchi rulings.
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
Studies on Fast Algorithms of Time Domain Integral Equation and Their Applications;
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
Studies on Fast Algorithms of Time Domain Integral Equation and Their Applications;
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