18:11 Jan 28, 2009 |
English to Japanese translations [PRO] Tech/Engineering - Electronics / Elect Eng / network | |||||||
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4 +1 | 広範囲の周波数への対応性 |
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4 | スペクトル柔軟性 |
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3 | 柔軟な周波数スペクトラム |
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spectral flexibility to work in variable bandwidths |
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柔軟な周波数スペクトラム Explanation: この文章を見ただけでのカンですが、アンテナでspectrumといえば周波数スペクトラムのことだと思います。もしビームの形状(指向性)のことであればbeamという言葉をつかうでしょう。 |
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スペクトル柔軟性 Explanation: http://www.j-tokkyo.com/2008/H04J/JP2008-103959.shtml http://laputa.cs.shinshu-u.ac.jp/~yizawa/InfSys1/basic/chap2... |
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広範囲の周波数への対応性 Explanation: この語句の後、andに続く数値がこの対応性の具体的範囲を示しています。ご質問に関して示された文章全体は「受信する電波の周波数に応じてそれを受信する野に最適なアンテナの形状は異なる」という一般原理的な知識を前提にコメントするものと理解するのが順当でしょう。 -------------------------------------------------- Note added at 10 hrs (2009-01-29 04:55:05 GMT) -------------------------------------------------- 「…受信する野に最適な…」は、「受信するのに最適な」の誤りでした。 |
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3 days 4 hrs |
Reference: spectral flexibility to work in variable bandwidths Reference information: Spectral flexibility has been identified as a characteristic that will provide robust performance in the presence of narrowband interferers or collocation within other wireless devices (such as. 802.11a or a 5.8 GHz cordless phone), and also will allow operation in potentially different regulatory regions, since only the United States of America has regulations in place today. In the various proposals before the IEEE 802.15.3a task group, (see for example [1], [2], and [3]) http://grouper.ieee.org/groups/802/15/pub/2003/May03/03211r2... The performance and essential characteristics of the new standard have been set by global operators including very high data rates, low latencies, optimization for packet access, spectral flexibility to work in variable bandwidths, the ability to work in both unpaired and paired spectrum, support for very high speed mobility, and an IP-based core network. http://www.cellular-news.com/story/16104.php |
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