A.Increased draft
B.Pitch
C.Roll
D.Change in trim
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A.one-millionth part of a second
B.one-thousandth part of a second
C.one-hundredth part of a second
D.one-tenth part of a second
A.persistence
B.pulse repetition rate
C.pulse length
D.rotation rate
A.carrier frequency
B.pulse repetition rate
C.pulse length
D.pulse repetition time
A.magnetron
B.receiver
C.indicator
D.modulator
A.transmitter
B.antenna system
C.indicator
D.modulator
最新試題
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines（）.
A barometer showing falling pressure indicates the approach of a（）.
（）the canal transit，the radar was operating.
An ECDIS is required to display which information?（）
An ECDIS is required to display which information?（）
（）is on the panel of radar.
Compass error is equal to the（）.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.