Laser Institute of Shandong Academy of Sciences

Shuai Qu

Jiasheng Ni

Chen Wang

Chang Li

Ying Shang

Bing Cao

Sheng Huang

Jian Yang

Weitao Wang

The application relates to a distributed acoustic sensing voice message recognition system and method. The system includes a sensing optical fiber, configured to receive a voice message and convert the voice message into a voice signal; a laser emission unit, configured to emit a laser signal with a narrow linewidth and with spontaneous emission noise being eliminated; a circulator, configured to transmit the laser signal to the sensing optical fiber to monitor the voice signal, and receive a backward Rayleigh scattering signal from the sensing optical fiber; a collection unit, configured to collect the backward Rayleigh scattering signal emitted by the circulator; and a convolutional recurrent network unit, configured to perform complex field mapping on the backward Rayleigh scattering signal collected by the collection unit, to reconstruct the voice signal.

Distributed acoustic sensing voice message recognition system and method

Growing community of inventors

Shandong, China

Shuai Qu