Hostname: page-component-586b7cd67f-g8jcs Total loading time: 0 Render date: 2024-11-29T04:43:08.002Z Has data issue: false hasContentIssue false
  • English
  • Français

A Sideways-looking Towed Depth-measuring System

Published online by Cambridge University Press:  23 November 2009

R. L. Cloet ,
S. L. Hurst ,
C. R. Edwards ,
P. S. Phillips  and
A. J. Duncan
R. L. Cloet
Affiliation:
(University of Bath)
S. L. Hurst
Affiliation:
(University of Bath)
C. R. Edwards
Affiliation:
(University of Bath)
P. S. Phillips
Affiliation:
(University of Bath)
A. J. Duncan
Affiliation:
(University of Bath)
Get access Rights & Permissions [Opens in a new window]

Extract

A swath sounding system is under development which is capable of being towed from ships of opportunity. The principle on which it is based is an acoustic interferometer to which a vernier has been added to resolve the ambiguity of phase ramp identification. The ‘fish’ is equipped with both rotational and translational attitude sensors, though no attempt is made to stabilize it. This is in the interest of size and hence of both instrumental and deployment economy.

The paper, which was presented at Oceanology International 1982 at Brighton, proposes a novel method to permit replication of the swath depth measurements, and also to provide an independent means of ground scale correction, which may obviate the need to deploy a positioning network for deep-water high-resolution swath surveys.

Type
Research Article
Information
The Journal of Navigation , Volume 35 , Issue 3 , September 1982 , pp. 411 - 420
Copyright
Copyright © The Royal Institute of Navigation 1982

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1Dickson, A. F., (1967) Underkeel clearance. This Journal, 20, 363.Google Scholar
2Cloet, R. L., (1976). The effect of line spacing on survey accuracy in a sandwave area, Hydrogr. J. 2.Google Scholar
3Cloet, R. L., (1975). High definition surveying, Oceanology International 75 Conference Papers, 251.Google Scholar
4Langeraar, W., (1966). Sandwaves in the North Sea. Hydrographic Newsletter, 1.Google Scholar
5Burton, B. W., (1977). An investigation of a sandwave field at the South Western end of Sandettie Bank, Dover Strait. I. H. Review, 54, (2).Google Scholar
6Tucker, D. G. (1960). Directional echo sounding. I. H. Review, 37 (2).Google Scholar
7Chesterman, W. D., St Quinton, J. M. P. and Chan, Y.. (1967). Acoustic surveys of the sea floor near Hong Kong. I. H. Review, 44 (1).Google Scholar
8Heaton, M. J. P. and Haslett, R. W. G. (1971). Interpretation of Lloyd mirror in sidescan sonar. Sidescan sonar applications (Brit. Acoustical Society Symposium, Bath University, 5 January 1971).Google Scholar
9Stubbs, A. S.McCartney, B. S. and Legg, J. G. (1974). Telesounding, a method of wide swathe depth measurement. I. H. Review, 51 (1).Google Scholar
10Denbigh, P. N. (1979). Bathymetric sidescan sonar. Ultrasonics International, 79, 321.Google Scholar
11Denbigh, P. N. (1978). The design of sidescan arrays and the elimination of vertical sidelobes. Inst. of Acoustics Specialist Meeting on Transducer Arrays and Array Processing, p. 11—18.Google Scholar
12Edwards, C. R. (1980). 303 kHz sonar receiver details. (Internal Research Report, Bath University, School of Electrical Engineering, Sonar Report Ref. No. 1, August 1980.)Google Scholar
13Edwards, C. R. and Hurst, S. L. (1981). The signal processing of sonar data Bristol Docks static trials. (Internal Research Report, Bath University, School of Electrical Engineering, Sonar Report Ref. No. 4, March 1981.)Google Scholar