Patent ID: 11875246
Assignee: SICHUAN GUANGSHENG IOT TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An intelligent fiber optical distributed acoustic sensing (FODAS) system based on an AI chip, comprising a light source, a modulator, an optical amplifier, a data processor, a photoelectric detector, an alarm unit, wherein the data processor is specifically an AI chip, and an optical fiber comprises a circulator and sensing fiber;
an output end of the light source is connected to the modulator, an output end of the modulator is connected to the optical amplifier, an output end of the optical amplifier is connected to port a of the circulator, port b of the circulator is connected to the sensing fiber, port c of the circulator is connected to the photoelectric detector, an output end of a detector is connected to the data processor, and an output end of the data processor is connected to the alarm unit; and
the data processor receives external acoustic signals and extracts amplitude and frequency features of the signals to identify the type,
wherein the alarm unit comprises a first level alarm module, a second level alarm module and a third level alarm module, and is configured to perform grading alarm according to the external acoustic signal type.