RAILROAD MONITORING SYSTEM, RAILROAD MONITORING DEVICE, RAILROAD MONITORING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM

摘要

A railroad monitoring system according to the present disclosure includes a cable (20) including a communication optical fiber being laid on a railroad (10), a reception unit (331) configured to receive an optical signal from at least one communication optical fiber included in the cable (20), and a detection unit (332) configured to detect a pattern according to a state of the railroad (10), based on the optical signal, and detect an abnormal state of the railroad (10), based on the detected pattern according to the state of the railroad (10).