書誌事項
- タイトル別名
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- On the Distortion of Radar Display by Relative Motion
- 相対運動によるレーダー映像の歪について
- ソウタイ ウンドウ ニ ヨル レーダー エイゾウ ノ ヒズミ ニ ツイテ
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Marine radar set at present uses the system of the P.P.I. presentation, which rotates continuously the scanner transmitting pulses in a narrow horizontal beamwidth, and which detects the targets in all directions while the set is in operation. Some seconds, however, are required for each revolution of the scanner, and the ship being under way for the time, and distortion of radar display by relative motion is produced in a short range. Nevertheless it has not been obvious, so we would research how much distortion will be produced by it. And taking this in a broad sense, we can consider that the change of a target's display between each revolution of a scanner is also the distortion. Some photographs are shown here, indicating these distortions described previously. We conclude that about 15 r.p.m. is the minimum speed of a scanner's rotation for the high speed vessel. Because the higher the speed of a vessel and the lower the one of a scanner's rotation, the larger is the distorting tendency.
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 23 (0), 23-31, 1960
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
- 1390001206095942272
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- NII論文ID
- 110006445743
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- NII書誌ID
- AN00188863
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- ISSN
- 24330116
- 04666607
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- NDL書誌ID
- 9157600
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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
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- 抄録ライセンスフラグ
- 使用不可