The analysis of UHF450 ~ 520MHz radio wave propagation in the different tunnel cross section area-National Freeway NO.5 Hsuehshan tunnel as an example
碩士 === 國立東華大學 === 電機工程學系 === 99 === In recent years, the government has actively expanded railway, highway and repaid transit construction. The tunnel construction straightens the route, and provides convenient public transport. The leaky cable structures are mainly used in the closed tunnel to...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2011
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Online Access: | http://ndltd.ncl.edu.tw/handle/51514450822308265789 |