The acoustic reflection characteristics of the underwater anechoic coating are numerical analyzed.
数值分析了水声吸声覆盖层的声反射特性。
The experimental results of this article could be the basis for designing the remote exploration acoustic reflection logging sonde.
实验结果可作为远探测反射波声波测井声系设计的依据。
Numerical computations of acoustic reflection coefficients are given for aluminum alloy adhesive joints and metal layer embedded in rock.
本文给出了铝合金粘接件和含矿地层声反射系数的数值计算结果。
Deep reflection shear wave imaging (DSWI) overcomes this limitation by mapping acoustic reflections away from the borehole, even if they are not intersecting the wellbore.
通过对远离井眼的声波反射进行测绘，深反射横波成像(DSWI)打破了这一局限性。
The acoustic reflection technique (AR), firstly used to detect the lower airway, has been further developed since it was introduced to the upper airway assessment in 1980s.
声反射技术最早应用于下气道的检测，80年代始用于无创性上气道评估。
Explicit expressions for the acoustic reflection coefficients from the interfaces are given and ultrasonic experiments for measuring the interface stiffness constants are described.
文章还给出了两相同固体中界面声反射系数的表达式，介绍了测量界面劲度常数的超声反射谱方法。
The acoustic reflection characteristics of the underwater anechoic coating with cavity are researched in different backings and cavity types, and effects of structure are also analyzed.
本文还研究了带空腔的吸声覆盖层在各种背衬和不同腔型下的声反射特性，分析了结构对其的影响。
Analysis and numerical computation have been performed for the reflection of acoustic beam on the solid plate surface of layered structure: liquid solid plate liquid.
采用将有限声束分解为一系列平面波的方法，对有限声束在液体-固体板-液体结构中的声反射问题进行了分析和计算。
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。
In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.
在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。
This paper deals with the essence of the reflection coefficient of planar wave in terms of acoustic and elastic media in the single-boundary and multilayered medium.
本文讨论了声学介质与弹性介质在单界面和多层介质情况下平面波反射系数的实质。
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。
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。
The generalized reflection-transmission coefficient matrix method is developed to study the acoustic wave propagation in a layered cylindric symmetric medium.
本文将广义反射、透射系数矩阵方法推广用于研究声法测井中的声波传播问题。
The reflection coefficient of an interface depends on the contrast in acoustic impedance of the rock on either side of the interface.
界面的反射系数取决于界面两侧岩石的声阻抗差。
Acoustic velocities of tap water and polymer solution were studied using ultrasonic-pulse reflection method in the laboratory. Polymer density and apparent viscosity were measured.
采用脉冲反射法在实验室条件下对自来水和不同浓度聚合物溶液的声速进行了测量研究，经测量得到了聚合物溶液的密度、表观粘度。
By combining the reflection seismic method with orthotropic piezoelectric composite material (OPCM) acoustic emission (AE) sensor character, a novel SHM technique in civil engineering is proposed.
提出将地震工程中反射地震法与新型正交异性压电复合材料OP CM声发射(AE)传感技术相结合，应用到土木工程结构健康监测SHM系统中。
In geophysics, reflection refers to the seismic energy or signal that returns from an interface of contrasting acoustic impedance, known as a reflector, according to Snell's law.
在地球物理中，反射指的是地震能量或信号在反射面（具有不同声阻抗的地层分界面）处按照斯奈尔定律发生的回转。
This paper analysis the acoustic principles of noise barriers, discuss the transmission, reflection and diffraction of the noise barrier, and the influencing factors of the three transmission routes.
本文从分析声屏障的声学原理入手，探讨声屏障的透射、反射和绕射机理以及对这三种传播途径的影响因素。
A novel method for applying environment correction to sonic skew log is presented-an acoustic path scattered reflection method.
本文提出了一种声波时差曲线环境效正的方法——漫反射声路法。
The integral representation for acoustic ray is constructed by the product of the generalized reflection-transmission coefficients corresponding to the specification of the generalized ray paths.
任意一条广义声线的积分表达式，则可根据每一条声线段的性质，由各反射界面上的广义反射、透射系数直接给出。
This paper introduces the theory calculation of shear wave reflection for block corner. And it derives the echo acoustic pressure theory calculation formula for block corner and its shape defect.
阐述了横波在端角反射中的理论方法计算，并推导端角及端角形缺陷的回波声压理论计算公式。
This paper introduces the theory calculation of shear wave reflection for block corner. And it derives the echo acoustic pressure theory calculation formula for block corner and its shape defect.
阐述了横波在端角反射中的理论方法计算，并推导端角及端角形缺陷的回波声压理论计算公式。
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