JRC JMA-9172-SA - Page 319

JMA-9172-SA Instruction Manual > 6.TRUE AND FALSE ECHOES ON DISPLAY > 6.3 SEA CLUTTER AND RAIN AND SNOW
CLUTTER
6－7
6
0
2
4
6
8
10
12
14
16
0
2
4
6
81012 14 16
降
雨
時
の
検
出
距
離
(NM)
雨の降っていないときの検出距離(NM)
16mm/hr の降雨時 パルス幅 0.05us
4mm/hr の降雨時 パルス
幅 0.05us
16mm/hr の降雨時 パル
ス幅 0.8us
4mm/hr
の降雨時
パルス幅
0.8us
Detection distance while it is not rainning[NM]
Detection distance while it is raining [NM]
Pre cip it a t io n of 16 mm/hr Pulse width 0.8us
Pre cip it a t io n of 4 mm/hr Pulse width 0.8us
Pre cip it a t io n of 4 mm/hr Pulse width 0.05us
Pre cip it a t io n of 16 mm/hr Pulse width 0.05us
Fig 6-4: Decreased target detection distance by S band radar due to
precipitation
0
2
4
6
8
10
12
14
16
0
24
68
10
12
14 16
降
雨
時
の
検
出
距
離
(NM)
16mm/hr の降雨時 パルス幅 0.05us
4mm/hr の降雨時
パルス幅 0.05us
16mm/hr の降雨時 パル
ス幅 0.8us
4mm/hr
の降雨時
パルス幅
0.8us
雨の降っていないときの検出距離(NM)
Detection distance while it is not rainning[NM]
Detection distance while it is raining [NM]
Pr ecipitatio n of 16 mm/hr Pulse width 0.8us
Pr ecipitatio n of 4 mm/hr Pulse width 0.8us
Pr ecipitatio n of 4 mm/hr Pulse width 0.05us
Pr ecipitatio n of 16 mm/hr Pulse width 0.05us
Fig 6-5: Decreased target detection distance by X band radar due to
precipitation