The inverse acoustic scattering problem is a typical inverse problem.
声波反散射问题是个典型的数学物理反问题。
Transient acoustic scattering contains rich information about objects.
瞬态声散射信号包含有较丰富的目标信息。
Previous research on acoustic scattering was generally on the premise that the incident waves were plane waves.
声散射问题的研究一般建立在入射波为平面波的基础上。
To solve these problems, this paper presents two new schemes for numerically treating acoustic scattering problems.
针对这些问题，提出了两种处理声波散射问题的新方案。
The concepts of acoustic scattering and scattering strength of different acoustic reflectors are reviewed in this paper.
本文重温了声散射和散射强度概念以及不同形状散射体的散射的理论分析结果。
A computational model of T-matrix method to calculate the acoustic scattering from the submerged rigid objects with arbitrary shapes is established.
针对水下任意形状刚硬体，建立了其声散射T矩阵法计算模型。
Under the situation of separated source and receiver, theoretical analysis and experimental research on acoustic scattering properties of some submarine model are made in this paper.
本文对收发分置情况下，某潜艇模型的声散射特性进行了理论分析和实验研究。
A method is presented for studying bistatic scattering of acoustic waves by finite elastic target.
给出了水中有限长弹性目标声散射问题的求解方法。
Reflection and refraction of acoustic waves at a sediment interface is an important problem for seafloor scattering, bottom reverberation and the acoustic detection of objects.
声波在海底界面的反射和透射是海底散射、海底混响、海底目标探测的重要问题。
The acoustic attenuation of suspending liquid is divided three kinds as absorption attenuation and scattering attenuation and diffusion attenuation.
悬浮液的声衰减分为三种主要类型：吸收衰减、散射衰减和扩散衰减。
The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
The synthesis model is implemented with scattering process derived from reflection-type line analog of vocal tract system according to the acoustic model of speech production.
该方法采用了基于发音声学原理的反射型传输线模型来实现语音合成器。
In our simulation model, the scattering mechanisms include acoustic phonon scattering, polar optical phonon scattering, and ionized impurity scattering and so on.
模拟中包含的散射机理主要有声学声子散射、极性光学声子散射、电离杂质散射等。
The proposed finite difference boundary condition expands the scope of application of FDTD to scattering problems of objects with a finite acoustic impedance but without tangential stress.
导出了水中透声目标表面边界条件的时域有限差分(FDTD)表达形式，将FDTD在水声学中的应用范围扩大到无切应力的有限声阻抗目标的散射问题。
In order to model the acoustic target scattering in the shallow water, first, the target with any kind of shape, such as a submarine, is modeled by geometric drawing software.
为了建立浅海中的目标声散射模型，本文利用几何图形建模软件对潜艇等具有复杂几何外形的目标进行精确建模。
The paper analyses the diver's acoustic characteristics from radiating and scattering, and measures the target strengths of lung cavities and simulated air tanks with the comparative method.
本文从声辐射和声散射两个角度分析了蛙人的声学特性，并利用比较法测量肺部和模拟呼吸器的目标强度。
A new approach to nonlinear electronic transport in solids is described briefly and is applied to the discussion of combined acoustic and optical phonon. scattering.
本文简略地描述了一个处理恒定电场中非线性电子输运的新方法，并用它讨论强场中声学和光学声子的联合散射效应。
The interaction of acoustic waves with the scattering object in an oceanic waveguide was examined.
研究了二维海洋波导中声波与散射体相互作用的问题。
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.
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。
A method to solve the scattering acoustic field of complex target was proposed for the near-field scattering characteristics of an underwater target in high-frequency.
针对水下目标高频近场散射特性，提出了一种求解水下复杂目标散射声场的方法。
In other words, the rotation of the square rods varies the area of the scattering sections, so that the band structures and the propagation directions of acoustic waves can be controlled.
即利用旋转四方柱子，改变波散射截面的大小，从而实现能带和波传播方向的调节。
In other words, the rotation of the square rods varies the area of the scattering sections, so that the band structures and the propagation directions of acoustic waves can be controlled.
即利用旋转四方柱子，改变波散射截面的大小，从而实现能带和波传播方向的调节。
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