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- optical guided wave fibre 光波导纤维
- 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 guided wave 光导波
- 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。
- optical guide wave 光导波
- 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。
- Enhanced Fiber Optic Guided Missile 增强型光纤制导导弹
- 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。
- Fiber Optic Guided Multi-Purpose Missile 光纤制导多功能(用途)导弹
- 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。
- Guided wave inspection is very attractive in this application as it is particularly sensitive to transverse vertical defects since the waves travel along the length of a rail. 由于波沿着轨道长度方向传播,在横向/垂直向不合格品检验中非常灵敏,所以导向波检验在这方面是非常有吸引力的。
- 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。
- Due to the dispersive and multi-mode characteristics of guided waves,the pulse of energy will spread out in space and time as it propagates. 在分析超声导波时间-空间传播特性基础上,建立了超声导波检测的空间表述模型。
- Our theoretical analysis produces the dispersion curves of longitudinal modes of ultrasonic guided waves in liquid-filled pipes with viscoelastic coatings. 理论分析得到了带粘弹性包覆层充液管道中纵向模态的频散曲线。
- 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。
- fibre optic guided missile 光纤制导导弹
- ALCATEL SHANGHAI OPTICAL FIBRE CABLE CO.LTD. 上海阿尔卡特光缆有限公司。