본 논문에서는 다중모드 간섭(Multi-Mode Interference, MMI) 구조에 깊은 인공신경망(Deep Neural Network, DNN) 기반 복조 모델을 적용하여, 온도와 인장력이라는 두 매개변수를 동시에 측정할 수 있는 광섬유 센서를 제안하였다. 본 연구는 DNN 복조 모델을 이용한 광섬유 센서에서 다중 파라미터 동시 계측의 가능성을 입증하였으며, 온도에 대해 약 0.283°C, 변형률에 대해 약 38.521 με의 평균 제곱근 오차(Root Mean Square Error, RMSE)를 달성함으로써 높은 정확도의 다중 매개변수 복조가 가능함을 보여준다.
KSP Keywords
Deep neural network(DNN), Multimode interference(MMI), Root Mean Square Error(RMSE), mean square error(MSE)
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