Raytheon Anschuetz GmbH High Seas Products NSX-30U 用户手册
Synapsis Radar
with Nautoscan NX Pedestal
Operator Manual
with Nautoscan NX Pedestal
Operator Manual
4265.DOC020102
2-50
Edition Sep 2015
2.3.1.9
Pulse Width Selection (only available in Master mode)
The pulse width toggle field allows selection of the desired transmitter pulse
width for the current range scale selected. If there is no pulse width toggle field,
this indicates that it is not available for the range currently being used.
width for the current range scale selected. If there is no pulse width toggle field,
this indicates that it is not available for the range currently being used.
Operator controls
Task
Selecting this toggle field allows the pulse length to
be switched e.g. from short pulse to medium pulse
and vice versa to optimize target discrimination with
respect to the selected range.
be switched e.g. from short pulse to medium pulse
and vice versa to optimize target discrimination with
respect to the selected range.
Use of a longer pulse improves target reception but, at the
same time, increases clutter returns.
same time, increases clutter returns.
When using longer pulses it may be difficult to differentiate
very close targets.
very close targets.
When a shorter pulse is used, reception of some weaker
targets will decrease, but clutter will also decrease,
resulting in better target detection.
targets will decrease, but clutter will also decrease,
resulting in better target detection.
The available pulse width selections for the Radar displays and the Radar
MTRs are illustrated in Table 2-7.
MTRs are illustrated in Table 2-7.
Table 2-7
Pulse width selection on dependency the current range scale
Selected Range
Scale in NM
Scale in NM
Default Pulse width
Manual Set Pulse width
0.125
0.25
0.5
0.75
1.5
SP
SP
SP
SP
M1
M1
M1
M1
M1
M2
SP