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頁籤選單縮合
題 名 | 海底基準點相對位置 |
---|---|
作 者 | 郭逢遇; | 書刊名 | 海軍軍官學校學報 |
卷 期 | 3 1993.12[民82.12] |
頁 次 | 頁123-141 |
分類號 | 351.9 |
關鍵詞 | 相對位置; 海底; 基準點; |
語 文 | 中文(Chinese) |
中文摘要 | 海底基準點測定實驗,曾於七十四年五月十八日至二十二日,在美國加州蒙特瑞 Point Lobos正西十六海浬海域實施。 以基線穿越法,進行海底基準點(即水中自動回訊器〔Acoustic Transponder〕)之相 對位置測定;用最小自乘法平差(Least-Squares Adjustment)分析水中距離資料。基線穿 越法之優點為其簡單可行,缺點為須要花費較多測量船航行時間,求得大量水中距離資料, 方可計算較佳之位置精確度。 佈放於深海海底之自動回訊器(Acoustic Transponder Array),將可用來解決須高精 密度之海底工程問題,未來的實際運用將日趨重要。 |
英文摘要 | A sea floor benchmark experiment was conducted in the sea area about 16 nim west of Pt. Lobos, California from May 18 to 22, 1985. Two baseline-crossing methods were used to determine the relative position of acoustic bottom transponders, and the method of least-squared adjustment was used to analyze the data. The relative position of the transponder array was then determined and recommendations were made for further improvements. The advantage of these methods lies in their simplicity, while the disadvantage is the relatively longer cruise time required for better possitioning accuracy. Since the acoutstic transponder arrays laid on the sea floor like those deployed in the case can be used for solving many problems on sea floor engineering, they are gaining increasing importance for their applicablility in the future. |
本系統中英文摘要資訊取自各篇刊載內容。