Sichuan Guangsheng Iot Technology Co., Ltd.

Jingfeng Long

Yunjiang Rao

Bing Han

The present invention relates to an intelligent fiber optical distributed acoustic sensing (FODAS) system and method based on an artificial intelligence (AI) chip, belonging to the field of distributed optical fiber sensing technologies. The system comprises a light source, a modulator, an optical amplifier, a sensing part, a data processor, a photoelectric detector, and an alarm unit, where the data processor is specifically an AI chip; the light source, the modulator, the optical amplifier and port a of a circulator are connected in sequence, port b of the circulator is connected to an optical fiber, port c of the circulator is connected to the photoelectric detector, an output end of a detector is connected to the data processor, 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 external acoustic signals to identify the type. The present invention can collect the external acoustic signals and identify the signal type thereof, and has important application value in the fields of perimeter security, disaster warning, geological exploration, and the like.

Growing community of inventors

Chengdu High-tech Zone, China

Jingfeng Long