REMOTE WATER SENSING SYSTEM WITH OPTICAL FIBER

摘要

PROBLEM TO BE SOLVED: To provide a remote water sensing system and method with optical fiber, for forming a neural network with sensing ability.;SOLUTION: A remote water sensing system and method with optical fiber, comprises (1) a water sensor which is an optical element in accordance with the principle of detection of optical path return loss and provided with reusable features to sense the state of having water or not, and (2) a signal processing control unit which emits monitoring light source signals with an Optical Time Domain Reflectometer (OTDR), an Optical Frequency Modulated/Continuous Wave (OFMCW), or a light source and an optical power meter, and accepts optical signals fed back from the water sensor, to determine whether the monitoring position is touching the water or not. The method can be applied in other fields, such as optical cable connection box watering monitoring, telecommunications facilities flooding alarm, and monitoring and alarm for a low-lying area or river water level of a bridge.;COPYRIGHT: (C)2013,JPO&INPIT