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单词 night error
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night error
night error n. error in the strength and direction of received radio waves (esp. as affecting aircraft bearings) caused by night effect.
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society > communication > telecommunication > radio communications > [noun] > signal > obstruction or poor reception
blind spot1864
screening1902
fading1912
night effect1914
night error1921
wipeout1921
skip1925
radio fade-out1927
fade-out1937
1921 Flight 13 664/1 Aircraft..should not ask for bearings from Carnsore, as such bearings..will probably be unreliable on account of the effect of the coastline, the night error in particular being of considerable magnitude.
1936 Jrnl. Royal Aeronaut. Soc. 40 161 These wave-lengths are subject to night error which affects the accuracy of bearings taken on medium wave direction finders.
1991 FlyPast (BNC) Nov. 51 The Report criticised the crew of the Croydon for not doing more to rectify the compass problems.., but it implied that the Darwin W/T station should not have stated the bearings of ‘night error’.
extracted from nightn.int.
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