sound reflection

The sound reflection coefficient of the material is one of the important sound characteristics .

吸声材料的声反射系数是表征吸声材料的重要的声学特性之一。

The study of sound reflection at the surface of sandwich GFRP in water

水中夹层复合材料表面声反射的研究

Sound Reflection and Sound Shadow Simulation Technology of High Frequency Sonar

高频声纳回波影像仿真技术

Detection or Sound Reflection in Rockburst at Deep Mining and Numerical Simulation

深部岩爆的声发射监测及数值模拟

Sound reflection from layered solid medium with rigid and slip interfaces

具有刚性联接界面和滑移界面的层状固体媒质的声反射

The sound reflection in specular direction on a rough surface

不平整水面的镜向声反射

In the case of high frequencies , the sound reflection coefficient at sedimentary layer surface is simplified .

文末对高声频情况下的海底上的声反射系数进行了简化。

As the key point of the sound reflection and sound transmission , the acoustic coupling analysis received extensive concern .

而对于声反射和声透射的研究也使得声振耦合问题得到人们的关注。

Sound reflection and sound shadow of high frequency imaging sonar detecting sea mine underwater was simulated with computer .

对高频图像声纳探测水雷的回波和声影进行计算机仿真。

Study on the Law of Sound Reflection as a Random Location of Source in a Circular-plane Hall

圆形厅堂声源位置任意时的声反射规律的探讨

Sound reflection characteristics of a viscoelastic coating with air cavities adhered to a steel plate between water and air

钢板-空气背衬上含空腔粘弹性材料层的声反射特性

In use of ray acoustics and recursion relation , the sound reflection coefficients of arbitrarily many plates have been derived .

应用声线方法和递推关系导出任意多层平板的反射系数。忽略耦合水层两边的多次反射后，得到一组适合于瞬态和亮点分析的反射系数近似公式。

This paper investigates the acoustic scale effects for large size model , which are influenced by structural loss factor , shear , rotatory inertia and surface sound reflection as well as small lump mass .

本文针对潜艇舱段大尺度声学模型，分析了损耗因子、剪切形变和转动惯量、水面声反射以及小质量块所产生的尺度效应。

A resolution for sonar beam simulation was arose in 3D space built with OpenGL , given calculation models for both the target range and level of sound reflection , and how to promote the reality of the simulation image .

在OpenGL实现的三维场景中，建立三维空间中声纳波束仿真方案，给出了探测距离和回波强度两个关键问题的仿真算法，讨论了提高显示真实度的方法。

Numerical computation of sound pulse reflection from fluid plannar layer systems

声脉冲在液态平面层系上反射的数值计算

Sound pulse specular reflection echo and their curvature effect of boundary surface

脉冲镜反射回波及其表面曲率效应

Through analysing , he found that on the condition of incidence of the parallel sound wave different reflection regions make effects on energy focus per area in , at the same time he also made a sequence according ti the influencing degree of sound focusing on the different region .

经过分析，发现了在平行声波入射情况下，不同的反射区域内单位面积对声聚焦能量的不同作用，同时还做出了不同反射区域对声聚焦的影响严重性排序。

Focused Sound Field Due to Reflection of Spherical Continuous Wave from Concave Ellipsoidal Surface

连续球面波在凹椭球面上反射的聚焦声场

Since the speed of light is about a million times as great as that of sound waves , the reflection of light waves may very well be applied in detecting a target and its distance .

光速大约为声速的100万倍，因此光波的反射现象可以有效地用来探测目标物及其距离。

Hall acoustics in the process of acoustical design plays a significant role , to make a good listening hall effect , it is necessary to calculate and design the sound running track , reflection , distribution and time and so on .

声学在厅堂音质设计过程中起着相当大的作用，要使一个厅堂有良好的听音效果，就要计算并设计好声音的运行轨迹、反射、分布及其时间等。

Based on the Biot theory of sound propagation in fluid-saturated porous medium we have studied in this paper the sound reflection and transmission on multilayered porous media , in which the adequate boundary conditions across interfaces are taken into account .

本文根据流体饱和多孔介质中声传播的Biot理论和多孔介质界面上的六个边界条件研究了平面声波斜入射于多层水平板状多孔介质时的反射和透射。

In this paper the measurement of sound velocity and thickness of seabed sediment are introduced using the vertical linear array which is concerned with sound refraction and reflection .

首先研究了在深海环境下，采用基于三阵元垂直线列阵的水声探测系统进行水下目标深度测量的基本原理。