Controlled by an optical switch, a fiber Bragg grating sensing system based on spatial division multiplexing is developed under a broad-band source illumination.
介绍了一种光纤光栅空分复用传感系统，并将光纤光栅的传感特性应用于结构健康检测系统中。
The metal grating encoder can work availably and stably under difficult conditions.
金属光栅编码器可以在恶劣环境条件下有效而稳定地工作。
Meanwhile, some new conclusions in favor of designs on metal grating under grazing incidence in soft X-ray region were obtained.
同时，得到了一些优化软x射线波段掠入射金属光栅设计的新结论。
In order to explore the temperature sensitivity of fiber Bragg grating (FBG) in smart metal structure, the stress and strain of FBG under temperature variation must be analyzed.
为了探索光纤智能金属结构中光纤布喇格光栅(FBG)的温度灵敏度，必须对温度变化时光纤智能结构中fBG所受的应力应变进行分析。
The method of using CCD to measure the constant of hologram grating in real-time when the grating is under manufacturing is discussed.
本文讨论了在制造全息光栅过程中，CCD实时测量全息光栅常数的方法。
Then, an angular instrument with capacitive grating controlled under single-chip microcomputer was introduced.
最后介绍单片机控制的容栅测角仪。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
There was a door which opened under the steps into the kitchen, protected by an iron grating, intended as a safeguard against burglars.
台阶下有一扇门通到厨房，门上装着铁栅栏，是用于防盗的。
There was a door which opened under the steps into the kitchen, protected by an iron grating, intended as a safeguard against burglars.
台阶下有一扇门通到厨房，门上装着铁栅栏，是用于防盗的。
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