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The Reduction of Sea and Rain Clutter in Marine Radars

Published online by Cambridge University Press:  18 January 2010

J. Croney
J. Croney
Affiliation:
(Admiralty Signal and Radar Establishment)
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Extract

This paper is concerned with measures which may be used to reduce the effect of echoes from the sea surface and from rain (sea and rain clutter) on radar displays so that targets which give a reflected signal power greater than the reflected clutter power can be detected. It should be noted that a conventional PPI display is fully brightened by signals of amplitude about three times the level of the inherent noise background, so that once the clutter has exceeded this limit it will appear on the display as a fully bright patch in which signals can be lost, even though their amplitude at the receiver input may be many times greater than the amplitude of the clutter.

Type
Research Article
Information
The Journal of Navigation , Volume 7 , Issue 2 , April 1954 , pp. 175 - 180
Copyright
Copyright © The Royal Institute of Navigation 1954

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References

REFERENCES

1 Alred, R. V., and Reiss, A. (1948). An anti-clutter radar receiver. J. Instn elect. Engrs, 95, Part III, 459.Google Scholar
2 Croney, J. (1951). A simple logarithmic receiver. Proc. Inst. Radio Engrs, N.Y., 39, 807.Google Scholar