声波反射,acoustic reflection
1)acoustic reflection声波反射
1.Theacoustic reflections from a submerged piezoelectric/elastic bilaminar sphere shell are studied by applying of the computational software ANSYS in which the finite element technique is used.采用有限单元计算软件ANSYS对无限水域中压电/弹性材料复合层球壳的声波反射进行了数值研究。
英文短句/例句
1.Analysis of the Acoustic Reflection from the Underwater Elastic/Piezoelectric Bi-laminated Plate;水下弹性/压电双层板的声波反射分析
2.Application of Vertical Acoustic Reflection Method in Cutoff Wall Quality Inspection垂直声波反射法在防渗墙质量检测中的应用
3.pulsed echo ultrasonoscope回波反射式超声诊断仪
4.To repeat(a sound) by the reflection of sound waves from a surface.发出回声表面反射声波而重复的声音
5.THE GENERALIZED REFLECTION-TRANSMISSION COEFFICIENT METHOD IN ACOUSTIC WELL LOGGING声波测井中的广义反射、透射系数方法
6.Visco-acoustic transmission waveform inversion for velocity structure in space-frequency domain频率域粘弹性声波透射波形速度反演
7.Single Phase Unidirectional DART Structure SAW Filter单向单相分布式声反射结构的声表面波滤波器
8.The Reflection and Trans Mission in Two Mediums Demarcation When Sound Wave Vertical Incidence;声波垂直入射在两种介质界面处的反射和透射
9.Repetition of a sound by reflection of sound waves from a surface.回声因表面反射声波而引起的声音重复
10.Echo:Repetition of a sound by reflection of sound waves from a surface.回声:因表面反射声波而引起的声音重复.
11.The reflected sound waves are then converted into a picture.反射回来的声波然后转化成照片。
12.Then the snow"s surface will help to send back sound waves.这时雪的表面就会帮助反射声波。
13.Studies on the Condensation and Esterification under Microwave or Ultrasound Irradiation;微波或超声波辐射下缩合和酯化反应的研究
14.The Identification on Reflection Waveform of 61° and 45° Defect by Ultrasonic Testing超声波检测中61°和45°缺陷反射波形的识别
15.Study on the Characters of Ultrasonic Pulse Field Based on the Means of Reflection by Small Ball基于小球反射法的超声脉冲波声场特性研究
16.The inverse acoustic scattering problem is a typical Math-matical Physics inverse problem.声波反散射问题是一个典型的数学物理反问题。
17.Studies on the Knoevenagel Reaction and Pinacol Coupling Reaction Under Ultrasonic Irradiation;超声波辐射下，Knoevenagel反应和片呐醇合成反应的研究
18.Negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface.当反射界面上下两侧的声波组抗降低时，反射系数就会出现负值。
相关短句/例句
reflected sound wave反射声波
3)ultrasonics reflection超声反射波
1.The analysis and study on theultrasonics reflection of white spot flaw in imported alloy steel can offer the experiences for judging white spot flaw and ensure the use safety of engineering materials.通过对进口合金钢中白点缺陷超声反射波形的分析研究,为白点缺陷的判定提供借鉴,保证工程材料的使用安全。
4)sound wave reflection method声波反射法
1.As one of the methods,thesound wave reflection method expatiates the application value and significance of HSP sound wave test in excavation of tunnels from various aspects such as sound wave reflection principle,working conditions and practical application in projects,etc.隧道超前预报是近年来颇受工程界和地质界人士关注的课题,方法很多,实践也比较丰富,声波反射法便是其中之一。
5)the reflection of a sound wave声波的反射
6)echo[英]["ek??][美]["?ko]回声，回波，反射波
延伸阅读
磁声波磁流体力学中声波与阿尔文波互相耦合形成的一种波。有快磁声波和慢磁声波之分,对于均匀理想介质,二者的相速度V+及V-为：式中θ为磁声波的传播方向与磁场方向的夹角,VA为带磁等离子体中的阿尔文速度，cS为介质中声速。当θ＝0时，V+=±VA或±cS，磁声波退化为压缩阿尔文波和纯声波。当时， 就只有快磁声波而无慢磁声波。
