A.magnetron
B.receiver
C.indicator
D.modulator
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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
A.magnetism from the earth's magnetic field
B.misalignment of the compass
C.magnetism within the vessel
D.a dirty compass housing
A.deviation minus variation
B.variation plus compass course
C.combined variation and deviation
D.difference between true and magnetic heading
最新試題
Deviation in a compass is caused by the（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
An ECDIS is required to display which information?（）
A barometer showing falling pressure indicates the approach of a（）.
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
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（）.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
The minimum range at which a target can be detected is basically determined by which of the following?（）.
An ECDIS is required to display which information?（）