A、be more suitable for river and harbor navigation
B、provide better range performance on low lying targets during good weather and calm seas
C、have a wider horizontal beam width
D、have more sea return during rough sea conditions
更多“The 10-cm radar as compared to a 3-cm radar of similar specifications will（）.”相关的问题
A、Signal absorption by the ionosphere B、Heavy sea swells C、The rescue personnel were monitoring the 10-cm radar D、The rescue personnel were monitoring the 3-cm radar
A、give better range performance in rain，hail，etc B、display small targets in a mass of dense sea clutter at a greater range C、have less sea return in choppy rough seas D、display a more maplike presentation for inshore navigation
A、A.give better range performance in rain，hail，etc B、B.display small targets in a mass of dense sea clutter at a greater range C、C.have less sea return in choppy rough seas D、D.display a more map like presentation for inshore navigation
A、Only a radar expert can determine if the radar is operating B、All radars have indicator lights and alarms to signal improper operation C、A radar range compared to the actual range of a known object can be used to check the operation of the radar D、The radar resolution detector must be energized to check the radar
A、A.on the same course as your vessel B、B.at the same speed as your vessel C、C.on the same course and speed as your vessel D、D.on a reciprocal course at the same speed as your vessel
A、station the look-out in the wheelhouse to keep a continuous watch on the radar B、secure the sounding of fog signals until a vessel closes within five miles C、station a look-out as low down and far forward as possible D、keep the radar on the shortest available range for early detection of approaching vessels
A、the effects of beam width B、limitations on range resolution C、the pulse length of the radar D、the multiple-target resolution factor
A、Increase the radar gain to pick up weak echoes through the rain B、Increase the STC setting to reduce close-in spurious signals C、Navigate as though the effective range of the radar has been reduced D、Increase the range of the inner and outer guard rings
A、It will respond only to interrogation by 9-Ghz radar signals B、A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high C、A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles D、All of the above
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