The relationship between SIF and acoustic refractive index corresponding to longitudinal wave is used.
利用与超声纵波相应的材料声折射率和应力强度因子的关系 ,并考虑到横波、纵波在材料中的传播速度及其与入射角、反射角的关系 ,研究了用超声波确定应力强度因子时对波型的选择。
Analysis and Removal Technology of MultiBeam Bathymetric Artifacts Arosed by Ray Refraction
声线折射引起的多波束测深假象分析与消除技术
GI(Grated Index)
渐变折射线(光纤)
cathode-ray tube refraction seismograph
阴极射线管折射地震仪
radio-wave refractive index of air
无线电波的空气折射率
folded pole aerial with reflector
反射器式折迭偶极天线
Measuring Refractive Index of Liquor by Acoustooptic Diffraction
利用声光衍射测量甘草折射率的研究
Sound Wave Refraction s Influence on Temperature Field Detection Techniques Used Acoustic in Furnace;
声波折射对炉内声学测温技术的影响
a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted.
穿过曲面透镜中心的光线不会反射和折射的线。
ARTI (Acoustic Ray Trace Indicator)
声辐射线跟踪显示器
ultrasonic tomograph
超声层析X射线摄影机
An Analysison the Sense of Timbre in Claude Achille Debussy s Music;
声与色的折射——德彪西音乐的声色感分析
subject to refraction, as of a light beam.
使遭受折射用来描述线偏振光束。
tropospheric refraction of radio wave
无线电波在对流层中的折射
The bending of the light rays is caused by refraction.
光线的弯曲是由折射造成的。
exhibiting spectral colors formed by refraction of light through a prism.
显出通过棱镜折射光线形成的光谱色。
parabolically graded optical fiber
抛物线折射率剖面光纤维
Light is refracted when passed through a prism.
光线经过 镜时产生折射现象.
the capability of the ray to be refracted by the prism
光线为棱镜所折射的特性