JRC JMR-7230-S - Page 151

7-7 Section 7 True and False Echoes on Display
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付録
Note
Under rain, the targets that enter within sea clutter may be more difficult to detect.
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Detection range while it is not raining (NM)
Detection range while it is raining (NM)
Precipitation of 16 mm/hr Pulse length 0.05
µs
Precipitation of 4 mm/hr Pulse length 0.05
µs
Precipitation of 16 mm/hr Pulse length 0.8
µs
Precipitation of 4
mm/hr Pulse length 0.8 µs
Decreased Target Detection Range by S Band Radar due to Precipitation
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0 2 4 6 8 10 12 14 16
Detection range while it is not raining (NM)
Detection range while it is raining (NM)
Precipitation of 16 mm/hr
Pulse length 0.05 µs
Precipitation of
4 mm/hr Pulse length 0.05 µs
Precipitation of 16 mm/hr
Pulse length 0.8 µs
Precipitation of
4 mm/hr Pulse length 0.8 µs
Decreased Target Detection Range by X Band Radar due to Precipitation