Abstract:
Significant progress has been made in single source recognition for fiber-optical distributed acoustic sensor (DAS). However, it is still challenging to detect and identi...Show MoreMetadata
Abstract:
Significant progress has been made in single source recognition for fiber-optical distributed acoustic sensor (DAS). However, it is still challenging to detect and identify more than one unpredictable vibration sources when they are superimposed at the same fiber receiving point. Thus, in this paper it is proposed a blind multi-source separation method based on fast independent component analysis (FastICA), which utilizes the independency and non-Gaussianity of different sources. Firstly, two multi-source mixing mechanisms and separability of different sources received by DAS based on Φ-OTDR are discussed; to solve the two “blind” problems that the source number and the mixing mode are both unknown, a linear simultaneous mixing mode is assumed, and the source number is estimated by singular value decomposition to the observation matrix; then preprocessing of denoising and anti-mixing, and separation with FastICA by maximizing negative entropy are carried out to make the non-Gaussianity of the estimated signal achieve its maximum; finally, feasibility of the separation method is evaluated through several mixing cases including simulations with two to four field collected signals and a real field test with two sources superimposed on the buried fiber. Signal waves and the spectra, and three separation indicators, such as the Performance Index (PI), the signal correlation coefficients, and the signal mean square error (SMSE), are used to evaluate the performance of the method. As far as we know, it is the first time to realize the separation of an unknown number of the superimposed sources detected by DAS.
Published in: Journal of Lightwave Technology ( Volume: 40, Issue: 8, 15 April 2022)
Funding Agency:
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Huijuan Wu (Member, IEEE) was born in Henan province, China, in 1980. She received the B.Eng. and Ph.D. degrees in opto-electronic engineering from Chongqing University, Chongqing, China, in 2003 and 2009, respectively. During 2007–2008, she studied with the Department of Engineering Science, Oxford University, Oxford, U.K., as a joint training Doctoral Student. In 2009, she joined the University of Electronic Science and...Show More
Huijuan Wu (Member, IEEE) was born in Henan province, China, in 1980. She received the B.Eng. and Ph.D. degrees in opto-electronic engineering from Chongqing University, Chongqing, China, in 2003 and 2009, respectively. During 2007–2008, she studied with the Department of Engineering Science, Oxford University, Oxford, U.K., as a joint training Doctoral Student. In 2009, she joined the University of Electronic Science and...View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yimeng Liu was born in Inner Mongolia Autonomous Region, China, in 1996. She received the B.Eng. degree in electronic information engineering from Inner Mongolia University, Hohhot, China, in 2019. She is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. Her research interests include distributed opti...Show More
Yimeng Liu was born in Inner Mongolia Autonomous Region, China, in 1996. She received the B.Eng. degree in electronic information engineering from Inner Mongolia University, Hohhot, China, in 2019. She is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. Her research interests include distributed opti...View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yunlin Tu was born in Chongqing, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in optical engineering. His research interests include applying big data technology in optical fiber data storage and processing.
Yunlin Tu was born in Chongqing, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in optical engineering. His research interests include applying big data technology in optical fiber data storage and processing.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yuwen Sun was born in Anhui province, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in information and communication engineering. His research interests include distributed optical fiber sensing technology and vibration signal recognition.
Yuwen Sun was born in Anhui province, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in information and communication engineering. His research interests include distributed optical fiber sensing technology and vibration signal recognition.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Dengke Gan was born in Sichuan province, China, in 1996. He received the B.Eng. degree in electronic information engineering from Harbin Engineering University, Harbin, China, in 2019. He is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. His research interests include distributed optical fiber sens...Show More
Dengke Gan was born in Sichuan province, China, in 1996. He received the B.Eng. degree in electronic information engineering from Harbin Engineering University, Harbin, China, in 2019. He is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. His research interests include distributed optical fiber sens...View more
Information Center, University of Electronic Science and Technology of China, Chengdu, China
Yuanfeng Song was born in Chongqing Municipality, China, in 1986. She received the M.Eng. degree in computer system structure from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2010. She is currently a Lecturer with the Information Center, UESTC. Her current research interests include machine learning and data mining.
Yuanfeng Song was born in Chongqing Municipality, China, in 1986. She received the M.Eng. degree in computer system structure from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2010. She is currently a Lecturer with the Information Center, UESTC. Her current research interests include machine learning and data mining.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yunjiang Rao (Fellow, IEEE) was born in Yunnan province, China, in 1962. He received the M.Eng. and Ph.D. degrees in optoelectronic instruments from Chongqing University, Chongqing, China, in 1986 and 1990, respectively. He joined the Optoelectronics Division of Electric and Electronic Engineering Department, Strathclyde University, Glasgow, U.K., as a Postdoctoral Research Fellow during 1991–1992 and Applied Optics Group...Show More
Yunjiang Rao (Fellow, IEEE) was born in Yunnan province, China, in 1962. He received the M.Eng. and Ph.D. degrees in optoelectronic instruments from Chongqing University, Chongqing, China, in 1986 and 1990, respectively. He joined the Optoelectronics Division of Electric and Electronic Engineering Department, Strathclyde University, Glasgow, U.K., as a Postdoctoral Research Fellow during 1991–1992 and Applied Optics Group...View more
Contents Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Huijuan Wu (Member, IEEE) was born in Henan province, China, in 1980. She received the B.Eng. and Ph.D. degrees in opto-electronic engineering from Chongqing University, Chongqing, China, in 2003 and 2009, respectively. During 2007–2008, she studied with the Department of Engineering Science, Oxford University, Oxford, U.K., as a joint training Doctoral Student. In 2009, she joined the University of Electronic Science and Technology of China, Chengdu, China, as a Lecturer and is currently an Associate Professor. During 2016—2017, she was a Visiting Scholar with the University of California at Santa Barbara, Santa Barbara, CA, USA. She authored more than 60 refereed journal and conference publications and had 22 authorized invention patents including two U.S. patents, and 14 invention patent applications. Her research interests include sensing signal processing and optical fiber sensors. He is a Member of OSA.
Huijuan Wu (Member, IEEE) was born in Henan province, China, in 1980. She received the B.Eng. and Ph.D. degrees in opto-electronic engineering from Chongqing University, Chongqing, China, in 2003 and 2009, respectively. During 2007–2008, she studied with the Department of Engineering Science, Oxford University, Oxford, U.K., as a joint training Doctoral Student. In 2009, she joined the University of Electronic Science and Technology of China, Chengdu, China, as a Lecturer and is currently an Associate Professor. During 2016—2017, she was a Visiting Scholar with the University of California at Santa Barbara, Santa Barbara, CA, USA. She authored more than 60 refereed journal and conference publications and had 22 authorized invention patents including two U.S. patents, and 14 invention patent applications. Her research interests include sensing signal processing and optical fiber sensors. He is a Member of OSA.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yimeng Liu was born in Inner Mongolia Autonomous Region, China, in 1996. She received the B.Eng. degree in electronic information engineering from Inner Mongolia University, Hohhot, China, in 2019. She is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. Her research interests include distributed optical fiber sensing technology and multivibration source signal separation.
Yimeng Liu was born in Inner Mongolia Autonomous Region, China, in 1996. She received the B.Eng. degree in electronic information engineering from Inner Mongolia University, Hohhot, China, in 2019. She is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. Her research interests include distributed optical fiber sensing technology and multivibration source signal separation.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yunlin Tu was born in Chongqing, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in optical engineering. His research interests include applying big data technology in optical fiber data storage and processing.
Yunlin Tu was born in Chongqing, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in optical engineering. His research interests include applying big data technology in optical fiber data storage and processing.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yuwen Sun was born in Anhui province, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in information and communication engineering. His research interests include distributed optical fiber sensing technology and vibration signal recognition.
Yuwen Sun was born in Anhui province, China, in 1998. He received the B.Eng. degree in communication engineering in 2020 from the University of Electronic Science and Technology of China, Chengdu, China, where he is currently working toward the master's degree in information and communication engineering. His research interests include distributed optical fiber sensing technology and vibration signal recognition.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Dengke Gan was born in Sichuan province, China, in 1996. He received the B.Eng. degree in electronic information engineering from Harbin Engineering University, Harbin, China, in 2019. He is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. His research interests include distributed optical fiber sensing technology and vibration signal recognition.
Dengke Gan was born in Sichuan province, China, in 1996. He received the B.Eng. degree in electronic information engineering from Harbin Engineering University, Harbin, China, in 2019. He is currently working toward the master's degree in information and communication engineering with the University of Electronic Science and Technology of China, Chengdu, China. His research interests include distributed optical fiber sensing technology and vibration signal recognition.View more
Information Center, University of Electronic Science and Technology of China, Chengdu, China
Yuanfeng Song was born in Chongqing Municipality, China, in 1986. She received the M.Eng. degree in computer system structure from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2010. She is currently a Lecturer with the Information Center, UESTC. Her current research interests include machine learning and data mining.
Yuanfeng Song was born in Chongqing Municipality, China, in 1986. She received the M.Eng. degree in computer system structure from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2010. She is currently a Lecturer with the Information Center, UESTC. Her current research interests include machine learning and data mining.View more
Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
Yunjiang Rao (Fellow, IEEE) was born in Yunnan province, China, in 1962. He received the M.Eng. and Ph.D. degrees in optoelectronic instruments from Chongqing University, Chongqing, China, in 1986 and 1990, respectively. He joined the Optoelectronics Division of Electric and Electronic Engineering Department, Strathclyde University, Glasgow, U.K., as a Postdoctoral Research Fellow during 1991–1992 and Applied Optics Group of Physics Department, Kent University, Canterbury, U.K., as a Research Fellow and then a Senior Research Fellow during 1992–1999. From 1999 to 2004, he was a Chang-Jiang Chair Professor under the Program of Chang-Jiang Scholar Professorship with Chongqing University. He is currently the Director of the Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), University of Electronic Science and Technology of China, Chengdu, China. His research interests include fiber-optic sensors and applications, random fiber lasers, and all-fiber devices. He is a Fellow of OSA and SPIE.
Yunjiang Rao (Fellow, IEEE) was born in Yunnan province, China, in 1962. He received the M.Eng. and Ph.D. degrees in optoelectronic instruments from Chongqing University, Chongqing, China, in 1986 and 1990, respectively. He joined the Optoelectronics Division of Electric and Electronic Engineering Department, Strathclyde University, Glasgow, U.K., as a Postdoctoral Research Fellow during 1991–1992 and Applied Optics Group of Physics Department, Kent University, Canterbury, U.K., as a Research Fellow and then a Senior Research Fellow during 1992–1999. From 1999 to 2004, he was a Chang-Jiang Chair Professor under the Program of Chang-Jiang Scholar Professorship with Chongqing University. He is currently the Director of the Key Lab of Optical Fiber Sensing and Communications (Ministry of Education), University of Electronic Science and Technology of China, Chengdu, China. His research interests include fiber-optic sensors and applications, random fiber lasers, and all-fiber devices. He is a Fellow of OSA and SPIE.View more
