Modified algorithm for synthetic aperture sonar

T. Sawa; T. Aoki; M. Nakamura; H. Yoshida; S. Tsukioka; H. Tadahiro; S. Syoujiro; A. Isikawa; T. Kamakura; S. Matusbara; S. Wright

doi:10.1109/OCEANSKOBE.2008.4530943

Modified algorithm for synthetic aperture sonar

T. Sawa, T. Aoki, M. Nakamura, H. Yoshida, S. Tsukioka, H. Tadahiro, S. Syoujiro, A. Isikawa, T. Kamakura, S. Matusbara, S. Wright

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

It is hard to negate the effects of ocean waves on a synthetic aperture sonar that has to operate in the ocean, and many efforts against the ocean waves had been taken. One of the effort is motion compensation by calculating phase errors with computer. But the synthetic aperture algorithm with motion compensation is heavy, and remains difficult to be executed on real time. Thus, modified synthetic aperture algorithm is proposed in this paper. The algorithm, which is named 1.5-Dimensional algorithm, is in between 1-Dimensional and 2-Dimensional algorithm. The algorithm synthesizes an virtual aperture faster than the others, and has no phase error theoretically. The algorithm had been executed with raw sonar data acquired in a sea trial experimentally, and higher quality sonar images are generated successufully.

Original language	English
Title of host publication	OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08
DOIs	https://doi.org/10.1109/OCEANSKOBE.2008.4530943
Publication status	Published - Sept 16 2008
Externally published	Yes
Event	OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08 - Kobe, Japan Duration: Apr 9 2008 → Apr 11 2008

Publication series

Name	OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08

Other

Other	OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08
Country/Territory	Japan
City	Kobe
Period	4/9/08 → 4/11/08

All Science Journal Classification (ASJC) codes

Computers in Earth Sciences
Ocean Engineering
Acoustics and Ultrasonics

Access to Document

10.1109/OCEANSKOBE.2008.4530943

Cite this

Sawa, T., Aoki, T., Nakamura, M., Yoshida, H., Tsukioka, S., Tadahiro, H., Syoujiro, S., Isikawa, A., Kamakura, T., Matusbara, S., & Wright, S. (2008). Modified algorithm for synthetic aperture sonar. In OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08 [4530943] (OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08). https://doi.org/10.1109/OCEANSKOBE.2008.4530943

Sawa, T, Aoki, T, Nakamura, M, Yoshida, H, Tsukioka, S, Tadahiro, H, Syoujiro, S, Isikawa, A, Kamakura, T, Matusbara, S & Wright, S 2008, Modified algorithm for synthetic aperture sonar. in OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08., 4530943, OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08, OCEANS'08 MTS/IEEE Kobe-Techno-Ocean'08 - Voyage toward the Future, OTO'08, Kobe, Japan, 4/9/08. https://doi.org/10.1109/OCEANSKOBE.2008.4530943

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title = "Modified algorithm for synthetic aperture sonar",

abstract = "It is hard to negate the effects of ocean waves on a synthetic aperture sonar that has to operate in the ocean, and many efforts against the ocean waves had been taken. One of the effort is motion compensation by calculating phase errors with computer. But the synthetic aperture algorithm with motion compensation is heavy, and remains difficult to be executed on real time. Thus, modified synthetic aperture algorithm is proposed in this paper. The algorithm, which is named 1.5-Dimensional algorithm, is in between 1-Dimensional and 2-Dimensional algorithm. The algorithm synthesizes an virtual aperture faster than the others, and has no phase error theoretically. The algorithm had been executed with raw sonar data acquired in a sea trial experimentally, and higher quality sonar images are generated successufully.",

author = "T. Sawa and T. Aoki and M. Nakamura and H. Yoshida and S. Tsukioka and H. Tadahiro and S. Syoujiro and A. Isikawa and T. Kamakura and S. Matusbara and S. Wright",

year = "2008",

month = sep,

day = "16",

doi = "10.1109/OCEANSKOBE.2008.4530943",

language = "English",

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T1 - Modified algorithm for synthetic aperture sonar

AU - Sawa, T.

AU - Aoki, T.

AU - Nakamura, M.

AU - Yoshida, H.

AU - Tsukioka, S.

AU - Tadahiro, H.

AU - Syoujiro, S.

AU - Isikawa, A.

AU - Kamakura, T.

AU - Matusbara, S.

AU - Wright, S.

PY - 2008/9/16

Y1 - 2008/9/16

N2 - It is hard to negate the effects of ocean waves on a synthetic aperture sonar that has to operate in the ocean, and many efforts against the ocean waves had been taken. One of the effort is motion compensation by calculating phase errors with computer. But the synthetic aperture algorithm with motion compensation is heavy, and remains difficult to be executed on real time. Thus, modified synthetic aperture algorithm is proposed in this paper. The algorithm, which is named 1.5-Dimensional algorithm, is in between 1-Dimensional and 2-Dimensional algorithm. The algorithm synthesizes an virtual aperture faster than the others, and has no phase error theoretically. The algorithm had been executed with raw sonar data acquired in a sea trial experimentally, and higher quality sonar images are generated successufully.

AB - It is hard to negate the effects of ocean waves on a synthetic aperture sonar that has to operate in the ocean, and many efforts against the ocean waves had been taken. One of the effort is motion compensation by calculating phase errors with computer. But the synthetic aperture algorithm with motion compensation is heavy, and remains difficult to be executed on real time. Thus, modified synthetic aperture algorithm is proposed in this paper. The algorithm, which is named 1.5-Dimensional algorithm, is in between 1-Dimensional and 2-Dimensional algorithm. The algorithm synthesizes an virtual aperture faster than the others, and has no phase error theoretically. The algorithm had been executed with raw sonar data acquired in a sea trial experimentally, and higher quality sonar images are generated successufully.

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Y2 - 9 April 2008 through 11 April 2008

ER -

Modified algorithm for synthetic aperture sonar

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