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- 広田 実
- 神戸市商船大学
書誌事項
- タイトル別名
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- Position Fix at Sea Through Simultaneous Observations and Stochastic Adjustment of Errors-II : Cross Bearing
- 同時観測による船位決定と誤差の処理-2-交叉方位法
- ドウジ カンソク ニ ヨル センイ ケッテイ ト ゴサ ノ ショリ 2 コウサ ホウイホウ
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抄録
Position fixing by cross bearing and its error adjustment are explained here. When a measured bearing contains an angle-error, it causes a distance-error of the position line proportional to the distance from the land mark. The author studied this aspect and formulated position fixing expressions. The formulas cover (1) cross bearing by two land marks, (2) cross bearing by three land marks in consideration of either a constant error only or accidental errors only. (3) cross bearing by four or more land marks in consideration of both a constant error and accidental errors or accidental errors only, (4) error ellipses in the above cases. The calculation method explained here is more roundabout than the usual drawing method, but it will be an easy and correct one, if digital computers are used in future. The angle-errors found in cross bearing at sea are to be surveyed and reported in his later papers.
収録刊行物
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- 日本航海学会誌
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日本航海学会誌 35 (0), 7-12, 1966
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
- 1390001206095791744
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- NII論文ID
- 110006446693
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- NII書誌ID
- AN00188863
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- ISSN
- 24330116
- 04666607
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- NDL書誌ID
- 8376231
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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