A.gain control
B.sensitivity time control
C.fast time constant
D.pulse length control
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A.sensitivity time control (sea clutter control)
B.receiver gain control
C.brilliance control
D.fast time constant (differentiator)
A.sensitivity time control (sea-clutter control)
B.receiver gain control
C.brilliance control
D.fast time constant (differentiator)
A.congesting
B.congested
C.congestion
D.congest
A.detection
B.being detected
C.the detective
D.the detected
A.radar transponder beacon
B.radar conspicuous beacon
C.radar calibration beacon
D.circular radiobeacon
最新試題
Radar reflectors are required for（）.
When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）
（）is not a job of the radar antenna.
Your ARPA has two guard zones.What is the purpose of the inner guard zone（）.
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? （）
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.
Your ARPA has automatic speed inputs from the log．Due to currents，the log is indicating a faster speed than the speed over the ground.What should you expect under these circumstances（）.
When using a radar in a unstabilized mode，fixes are determined most easily from（）.
Which procedure(s) shall be used to determine risk of collision? （）
What provides little or no indication that a vessel is dragging anchor? （）