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http://dx.doi.org/10.7776/ASK.2009.28.8.755

Application of LFM Reverberation Suppression Using Difference of Singular Values in the Underwater Obstacle Detection  

Lee, Hyung-Soo (LIG넥스원 (주))
Kwon, Bum-Soo (경북대학교 전자전기컴퓨터학부)
Cho, Chom-Gun (국방과학연구소)
Lee, Kyun-Kyung (경북대학교 전자전기컴퓨터학부)
Publication Information
The Journal of the Acoustical Society of Korea / v.28, no.8, 2009 , pp. 755-760 More about this Journal
Abstract
In this paper, we apply a reverberation suppression method using difference of singular values to improve the short-distance underwater obstacle detection probability in reverberation environment induced by a linear frequency modulation signal. The reverberation suppression method using difference of singular values suppresses LFM reverberation based on subtracting the singular values for a reference beam, assumed to contain only the reverberation, from those for the current beam of interest, assumed to contain the reverberation and target echo. For the validation, the reverberation suppression method using difference of singular values is applied to real oceanic data, which are acquired using the cross type array.
Keywords
Active Sonar; Reverberation Suppression; LFM; Singular Value; Underwater Obstacle;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 최병웅, 김정수, 이균경, "선형 Dechirping 변환을 이용한 LFM 잔향의 백색화 기법," 한국음향학회지, 26권, 3호, 129-135쪽, 2007   과학기술학회마을
2 R. Nielsen, Sonar Signal Processing, Artech House, Boston, 1991
3 R. J. Urick, Principles of Underwater Sound (3rd Ed.), McGraw-Hill, New York, 1983
4 G. Ginolhac and G. Jourdain, "Principal component inverse" algorithm for detection in the presence of reverberation," IEEE Journal of Oceanic Engineering, vol. 27, no. 2, pp. 310-321, Apr. 2002   DOI   ScienceOn
5 Hyung-Soo Lee and Kyun-Kyung Lee, "Linear frequency modulation reverberation suppression using difference of singular values," J. Acoust. Soc. Am., vol. 124, no. 5, pp. EL328-EL333, Nov. 2008   DOI   ScienceOn
6 R. Kumaresan, I. P. Kirsteins and D. W. Tufts, "Data adaptive signal estimation by singular value decomposition of a data matrix," Proceedings of the IEEE, vol. 70, pp. 684-685, Jun. 1982   DOI   ScienceOn
7 L. R. O. Storey, "An investigation of whistling atmospherics," Phil. Trans. Soc. London, vol. A246, pp. 113-141, 1953   DOI   ScienceOn