書誌事項
- タイトル別名
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- The Error Distribution and GDOP in GPS
- GPS ニ オケル GDOP ト ソクイ ゴサ ブンプ ニ ツイテ
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抄録
It is proved that the bivariate distribution of the positioning error in GPS can be estimated by the covariant matrix deduced from the allocation of satellites. A covariant ellipsis of equi-probability contour is drawn by standard deviations and covariance of one hundred horizontal positions fixed by a receiver, acquired continuously at every 5 seconds for about 8 minutes. It is then compared with the ellipsis by the covariance matrix deduced from the allocation of satellites at the mid-time of the acquisition. The comparison of 153 samples, observed at Tokyo, of the satellites combinations of 03-06-13, 03-06-09, 06-09-12 and 03-12-13 from March 9th to March 17th '88 confirms reasonably the coincidence of the two ellipses, although small discrepancies, which seem to be depending on the allocation and the combination of the satellites, are observed. Thus the reliable direction of positioning can be predicted by the allocation of satellites, even under the high GDOP allocation.
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 79 (0), 25-31, 1988
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
- 1390001205481248128
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- NII論文ID
- 110006571685
- 10003428666
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- NII書誌ID
- AN00188841
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- ISSN
- 21873275
- 03887405
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- NDL書誌ID
- 3205932
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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
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- 抄録ライセンスフラグ
- 使用不可