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
An ECDIS is required to display which information?（）
A Doppler log in the volume reverberation mode indicates（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
A Doppler log in the bottom return mode indicates the（）.
How is variation indicated on a small-scale nautical chart?（）.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
A deadhead is a(n)（）.