JRC JMR-9272-S - Page 151

7-7 Section 7 True and False Echoes on Display
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
付録
Note
Under rain, the targets that enter within sea clutter may be more difficult to detect.
0
2
4
6
8
10
12
14
16
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 S Band Radar due to Precipitation
0
2
4
6
8
10
12
14
16
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