書誌事項
- タイトル別名
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- A Satellite EPIRB with High Average Reception Level at COSPAS-SARSAT Applying an Improved Antenna
- エイセイ ヘイキン ジュシン デンリョク オ タカメル アンテナ オ モチイタ
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説明
Two frequency satellite EPIRB has been globally common, but is authorized, since November 1994 in Japan. A new satellite EPIRB applying a new antenna with simple configuration is developed, which has a unique vertical pattern to reduce defraction wave from edges of a common disk reflector for pattern measurement at COSPAS-SARSAT type approval test. An average reception level of the EPIRB measured at SARSAT satellites is increased by about 3. 5dB under simultaneous comparison between the new one and a reference EPIRB installed at CNES Toulouse for the system calibration. The new EPIRB is expected improving immunity against un-desired signal as well as S/N ratio for Doppler frequency measurement. One sigma accuracy of 410m based on an independent positioning category is obtained during satellite qualification test.
収録刊行物
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- The Journal of Japan Institute of Navigation
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The Journal of Japan Institute of Navigation 93 (0), 11-18, 1995
公益社団法人 日本航海学会
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詳細情報 詳細情報について
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- CRID
- 1390282680457063680
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- NII論文ID
- 110006423821
- 10003948914
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- NII書誌ID
- AN00188841
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- ISSN
- 21873275
- 03887405
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- NDL書誌ID
- 3946939
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
