A.persistence
B.pulse repetition rate
C.pulse length
D.rotation rate
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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
A.persistence
B.pulse repetition rate
C.pulse length
D.resolution
A.Relative
B.TRUE
C.Compass
D.Magnetic
最新試題
A Doppler speed log indicates speed over ground（）.
A barometer showing falling pressure indicates the approach of a（）.
Error may be introduced into a magnetic compass by（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
Deviation in a compass is caused by the（）.
A deadhead is a(n)（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
What will NOT induce errors into a doppler sonar log?（）
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（）.
An electronic depth finder operates on the principle that（）.