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
An ECDIS is required to display which information?（）
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（）.
How is variation indicated on a small-scale nautical chart?（）.
What will NOT induce errors into a doppler sonar log?（）
A Doppler log in the bottom return mode indicates the（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
A barometer showing falling pressure indicates the approach of a（）.
An ECDIS is required to display which information?（）
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.
An ECDIS is required to display which information?（）