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
Compass deviation is caused by（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
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?（）.
A barometer showing falling pressure indicates the approach of a（）.
A deadhead is a(n)（）.
What will NOT induce errors into a doppler sonar log?（）
（）is on the panel of radar.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.