FBG sensors have the characteristics of intrinsic resistance to electromagnetic interference, corrosion resistance, small size, light weight and easy to combine with the measured object. Temperature, strain, vibration, ultrasonic and other sensors which made by optical fiber grating have been widely used.
光纤光栅传感器具有本征抗电磁干扰、耐腐蚀、体积小、质量轻及易于与被测物结合的特点，采用光纤光栅设计的温度、应变、振动、超声波等传感器已获得了广泛的应用。
Measuring wave velocity of liquid surface wave by the method of ultrasonic grating measurement for sound velocity
超音速（波）测速仪超声光栅测声速的方法运用到液体表面波波速的测量
Measuring wave velocity of liquid surface wave by the method of ultrasonic grating measurement for sound velocity The cruising speed of this new type of fighter is Mach two.
超声光栅测声速的方法运用到液体表面波波速的测量这种新型战斗机的巡航速度为声速的两倍。
Study on SAW and Their Applications in AOTF; Measuring wave velocity of liquid surface wave by the method of ultrasonic grating measurement for sound velocity
声表面波及其在声光可调谐滤波器中应用的研究超声光栅测声速的方法运用到液体表面波波速的测量
A completely new method has been given in the present paper It has explained successfully grating effect formed by ultrasonic stationary waves field directly irradiated with white light.
本文提出一种全新的方法，成功地解释了白光照射驻波超声场形成的光栅效应。
The principle of measuring the light velocity with the method of wave modulation by ultrasonic diffraction crystal grating is analysed, and the experiment method is introduced.
对激光经过超声晶体光栅调制从而利用相位差和光程差进行光速测定进行了理论分析和实验研究。
In this paper, we describe the acousto-optic characteristic of the ultrasonic superstructure fiber grating by mode coupling theory.
本文利用模式耦合理论，分析了光纤超声超结构光栅的光谱特性。
Simple study method for ultrasonic grating experiment and its Doppler frequency shift
超声光栅实验及其多普勒频移的一种简单研究方法
There are many methods to measure liquid concentration, at present mature and widely applied methods include capacitance method, photoelectricity method, ultrasonic grating method, and incidence method.
有关测量浓度的方法有很多种，目前技术已经比较成熟、并且得到应用的方法有电容法、光电法、超生光栅法、掠入射法等。
We compare the phenomenon that observation ultrasonic grating diffraction and ultrasonic field to phenomenon of liquid double refractive index that being excitated by ultrasonic vibration, then receive the formula of liquid double refractive index and the design of experiment.
通过对超声光栅衍射及超声场的观测现象与被超声振动激发的液体中发生双折射现象做比较，得到用超声光栅衍射及超声场的观测法测定液体双折射率的公式及实验设计方案。
Fiber acousto optic devices are based on coupling between two copropagating modes caused by ultrasonic grating in the fiber.
光纤声光器件是基于光纤中的超声光栅引起的两个光波同向模式间的耦合。
Response of a fiber grating ultrasonic sensor and its application in...
光纤光栅超音波感测器响应之研究与在复材层板非破坏评估上的应用。