| 单词 | sea return |
| 释义 | > as lemmassea return sea return n. (also sea returns) unwanted radar images due to reflection from a rough sea. ΘΚΠ society > communication > telecommunication > radio communications > radio equipment > [noun] > radar apparatus > marks or signals on radar screen range mark1942 ghost1943 pip1944 range marker1944 blip1945 clutter1945 sea return1945 sea clutter1946 angel1947 1945 E. W. Cowan Sea-return Effects & their Elimination in AN/APS-6 (M.I.T. Radiation Lab. Rep. No. 707) 1 An airplane flying very close to the sea may be hidden by sea return. 1959 Listener 12 Feb. 277/1 It is almost impossible to pick up that iceberg with the radar equipment, because of what we call ‘sea return’ or ‘sea clutter’. 1966 D. Taylor Introd. Radar iii. 40 The actual performance obtained with this form of A.S.V. equipment depended on aircraft height, state of sea (because of sea returns), operator's experience, etc. < as lemmas |
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