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無線電頻諎區分
無線電學中有 LF,MF,HF,VHF,UHF,EHF等.其頻諎範圍及功能為何.
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- StoneLv 51 decade agoFavorite Answer
-- 無線電頻譜 --
波段 /頻率 /用途
VLF
(Very Low Frequency) 3-30Khz Navigation,Sonar
航海,航空,聲納
LF
(Low Frequency) 30-300Khz Radio Bacons,Navigation
電報,航海,航空
MF
(Medium Frequency) 300-3000Khz AM Radio,Coast Guard
調幅收音機,海洋守衛
HF
(High Frequency) 3-30Mhz Telegraph
電訊,電報機
VHF
(Very High Frequency) 30-300Mhz TV,FM Radio,Paging
電視,調頻收音機,呼叫器
UHF
(Ultra High Frequency) 300-3000Mhz AMPS(800),GSM(900,1800,1900)
Aviation(960),Satellite
行動電話,航空飛行器,衛星
SHF
(Super High Frequency) 3-30Ghz Rader,Satellite
雷達,衛星
EHF
(Extreme High Frequency) 30-300Ghz Satellite,Areospace
衛星,宇宙航空
Source(s): 知識+
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