JMA-9100 Instruction Manual > 6.TRUE AND FALSE ECHOES ON DISPLAY > 6.3 SEA CLUTTER AND RAIN AND SNOW
CLUTTER
6ļ¼7
6
0
2
4
6
8
10
12
14
16
0
2
4
6
81012 14 16
é
éØ
ę
ć®
ę¤
åŗ
č·
é¢
(NM)
éØć®éć£ć¦ććŖććØćć®ę¤åŗč·é¢(NM)
16mm/hr ć®ééØę ćć«ć¹å¹
0.05us
4mm/hr ć®ééØę ćć«ć¹å¹
0.05us
16mm/hr ć®ééØę ćć«ć¹å¹
0.8us
4mm/hr ć®ééØę ćć«ć¹å¹
0.8us
Detection distance while it is not rainning[NM]
Detection distance while it is raining [NM]
Pre cipit a t io n of 16 mm/hr Pulse width 0.8us
Pre cipit a t io n of 4 mm/hr Pulse width 0.8us
Pre cipit a t io n of 4 mm/hr Pulse width 0.05us
Pre cipit 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
024
6810 12 14 16
é
éØ
ę
ć®
ę¤
åŗ
č·
é¢
(NM)
16mm/hr ć®ééØę ćć«ć¹å¹
0.05us
4mm/hr ć®ééØę ćć«ć¹å¹
0.05us
16mm/hr ć®ééØę ćć«ć¹å¹
0.8us
4mm/hr ć®ééØę ćć«ć¹å¹
0.8us
éØć®éć£ć¦ććŖććØćć®ę¤åŗč·é¢(NM)
Detection distance while it is not rainning[NM]
Detection distance while it is raining [NM]
Pr e cipit a t io n of 16 mm/hr Pulse width 0.8us
Pr e cipit a t io n of 4 mm/hr Pulse width 0. 8us
Pr e cipit a t io n of 4 mm/hr Pulse width 0. 05us
Pr e cipit a t io n of 16 mm/hr Pulse width 0.05us
Fig 6-5: Decreased target detection distance by X band radar due to
precipitation