In recent years, fiber Bragg gratings (FBGs) have shown an enormous potential for sensing applications in smart structures and composite materials.
近年来，光纤光栅在用于建筑和桥梁领域的传感应用方面显示出很大的潜力。
The interrogation technique was based on the use of two (or more) wavelength-matched fiber Bragg gratings (FBGs) to receive the reflected signal from the sensing FBG.
该技术利用两个（或多个）与传感光栅匹配的布喇格光纤光栅作为解调元件。
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