spectral flexibility

18:11 Jan 28, 2009
English to Japanese translations [PRO]
Tech/Engineering - Electronics / Elect Eng / network
English term or phrase: spectral flexibility
無線アンテナに関する一文です。
These RoHS-compliant wide-band antennas offer spectral flexibility and operate within 900-928 MHz and 2400-2700 MHz band coverage and ......

この"spectral" がスペクトラム拡散を意味するのか単に周波数を意味するのか分かりません。

よろしくお願いします。
MKStar
United States
Local time: 17:37


Summary of answers provided
4 +1広範囲の周波数への対応性
YMo
4スペクトル柔軟性
cinefil
3柔軟な周波数スペクトラム
Yuki Okada
Summary of reference entries provided
spectral flexibility to work in variable bandwidths
patent_pending

  

Answers


2 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
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。

Yuki Okada
Canada
Local time: 17:37
Specializes in field
Native speaker of: Native in JapaneseJapanese
PRO pts in category: 44
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9 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
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...


cinefil
Japan
Local time: 09:37
Works in field
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7 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
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。

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Note added at 10 hrs (2009-01-29 04:55:05 GMT)
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「…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。

YMo

Peer comments on this answer (and responses from the answerer)
agree  patent_pending
2 days 21 hrs
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Reference comments


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

patent_pending
Native speaker of: Native in TetumTetum
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