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IEICE TRANSACTIONS on transactions

Observations of Ground Clutter Using a Millimeter Wave Radar

Sakae CHIKARA, Keiichi SAJI, Seiji HAGIWARA, Matsuo SEKINE, Toshimitsu MUSHA

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Summary :

We have already measured ground clutter using an X-band and L-band radars. Here, ground clutter was first measured using a millimeter wave radar with the frequency of 34.86 GHz, which is located on the campus of the University of Electro-Communications. The pulsewidth of the radar was 30 ns. Thus the spatial resolution was as small as 4.5 m. We have found that the clutter amplitude distribution obeys a Weibull distribution with shape parameter of c0.497 to 0.675 at depression angles of 0.8 to 1.9 deg., when reflectors are ordinary terrain and such structures as landing strips at airport and buildings. To improve target detectability in such Weibull-distributed ground clutter, Weibull constant false alarm rate (CFAR) system will be required.

Publication
IEICE TRANSACTIONS on transactions Vol.E73-E No.2 pp.250-254
Publication Date
1990/02/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Electronic and Radio Applications

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