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- THE STUDY OF HOMEOTROPICALL ALIGNED FERROELECTRIC LIQUID CRYSTAL AT VROUS TEMPERATURE BY OPTIC GUID WAVE TECHNIQUE 利用波导技术研究在不同温度下铁电液晶垂直排列的光学特性(英文)
- optical guide wave 光导波
- optical guided wave 光导波
- optical guided wave fibre 光波导纤维
- Longitudinal ultrasonic guide wave dispersion equation of inviscid liquid-filled pipe is analyzed theoretically. 从理论上得到了充非粘性液体管道中纵向超声导波的频散方程。
- It is the focus to get eigen equation of all kinds cross section waveguide in guide wave optics. 求解各类截面波导的本征方程,一直是导波光学研究的焦点问题。
- Stoneley wave is a kind of guide waves propagating along the liquid\|solid interface in well. 斯通利波是一种沿井壁传播的声波,当声波脉冲与井壁和井内流体的界面相遇时就会产生斯通利波。
- The recent advances in ultrasonic guided wave testing technique are summarized. 摘要综述近年来超声导波检测研究的最新进展。
- The first planar optical guides which utilized different material composition were liquidquartz sandwiches and epoxy-glass sandwiches. 利用不同材料成分制成的最初的平面光波导就是液体-石英夹层结构和环氧树脂-玻璃夹层结构。
- It is necessary to process the waveforms of long spacing sonic logs and identify the associated guide waves. 但是必须对长源距声波测井波形进行处理,分辨出相应的导波。
- Guided wave second-harmonic (SH) generation can not be phase matched automatically by Cerenkov radiation scheme. 用波导产生倍频波时,如果倍频波进入辐射模区,仍然有相匹配问题。
- Based on the ultrasonic guided wave technique and the dispersive waveform prediction method, a method about how to image defects in pipes is presented. 摘要在导波传播理论和频散波形预测理论的基础上,研究了超声导波在检测管道时,如何利用时域波形重构缺陷图像的问题。
- The transmitter generates guided wave in the plate according to magnetostrictive effect,and then it propagates in the plate and is reflected by the damages and edges of the plate. 根据反射信号的到达时间和波在板中传播的速度,可判断出板中缺陷所在位置。改变恒定偏置磁场与时变磁场的方向可以在板中激励不同波型的导波。
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- Defense applications include military command and control functions, imaging, radar, aviation sensors, and optically guided weapons. 防御应用包括了军事命令、控制功能、成像、雷达、航空传感和光导武器。
- Enhanced Fiber Optic Guided Missile 增强型光纤制导导弹
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- Fiber Optic Guided Multi-Purpose Missile 光纤制导多功能(用途)导弹
- Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward. 摘要运用波动的经典理论,提出了导波在金属杆嵌入层“变截面”传播时波速改变的“等效弹性模量”的概念。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries