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A novel sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system
A novel sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system
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机译:一种新颖的传感器阵列配置,用于扩展基于扫频干涉法的系统的有用传感长度
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摘要
An apparatus for estimating a parameter at distributed locations, the apparatus including: an optical fiber having: a first series of fiber Bragg gratings (FBGs) and configured to measure the parameter at a portion of the distributed locations; a second series of FBGs and configured to measure the parameter at another portion of the distributed locations; and an optical interrogator configured to illuminate the optical fiber and to receive light signals resulting from the illumination, the light signals including first light signals from the first series of FBGs within a first range of wavelengths, second light signals from the second series of FBGs within a second range of wavelengths, and other light signals within a third range of wavelengths, the ranges of wavelengths being distinct from each other; wherein the first light signals and the second light signals are used to estimate the parameter at the distributed locations.
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