On Weibull-Distributed Weather Clutter

On Weibull-Distributed Weather Clutter

It is widely believed that weather-clutter amplitude statistics obey a Rayleigh distribution, and that from this assumption, the log/constant false-alarm rate (CFAR) system may be derived. Attention is given to the fact that the weather clutter samples are not always distributed according to a Rayle...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 1979-11, Vol.AES-15 (6), p.824-830
Hauptverfasser: Sekine, Matsuo, Musha, Toshimitsu, Tomita, Yuichi, Hagisawa, Toshihiko, Irabu, Takeru, Kiuchi, Elichi
Format: Artikel
Sprache:eng
Schlagworte:
Azimuth
Cities and towns
Frequency
Meteorological radar
Radar antennas
Radar clutter
Rain
Space vector pulse width modulation
Surveillance
Weibull distribution
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Beschreibung
Zusammenfassung:It is widely believed that weather-clutter amplitude statistics obey a Rayleigh distribution, and that from this assumption, the log/constant false-alarm rate (CFAR) system may be derived. Attention is given to the fact that the weather clutter samples are not always distributed according to a Rayleigh distribution and the output level is not kept constant. Finally, it is demonstrated that the clutter amplitudes obey the more encompassing Weibull distribution, which incorporates the Rayleigh distribution as a special case.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.1979.308767