A、gain control
B、sensitivity time control
C、fast time constant
D、pulse length control
更多“The radar control used to reduce sea return at close ranges is the（）.”相关的问题
A、increase the brilliance of the PPI scope B、turn off the interference controls on the radar C、use the maximum available range setting D、increase the radar signal output
A、sensitivity time control (sea-clutter control) B、receiver gain control C、brilliance control D、fast time constant (differentiator)
A、sensitivity time control (sea clutter control) B、receiver gain control C、brilliance control D、fast time constant (differentiator)
A、Only a radar expert can determine if the radar is operating B、All radars have indicator lights and alarms to signal improper operation C、A radar range compared to the actual range of a known object can be used to check the operation of the radar D、The radar resolution detector must be energized to check the radar
A、Raising the antenna height increases the radar range B、The ability of radar to detect objects is unaffected by weather conditions C、Radar bearings are less accurate than radar ranges D、Radar should be checked regularly during clear weather to ensure that it is operating properly
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