A survey network approach to locating HMAS Sydney

N. Brown, T. O'Leary, F. Leahy, Joseph Leach
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Abstract

The loss of the cruiser HMAS Sydney to the German raider HSK Kormoran is Australia’s worst naval disaster. Since her loss on the 19th of November 1941 the location of Sydney’s wreck has been a mystery. Many researchers have defined possible locations for Sydney and Kormoran. However, none have used the available evidence in a rigorous mathematical manner that considered precision for each of the items of evidence used to obtain the position. Few of them have considered all of the available evidence objectively and without discarding some evidence that contradicts their hypothesis. This project uses a least squares based approach to solve for the probable location of both ships. The search area is defined using the associated area of confidence for each of the solutions. The adjustments have been performed several times to accommodate different sets of data where various options exist in the use of the available information. The method is shown to be sound, however additional information could provide a more definitive solution.
定位HMAS悉尼的测量网方法
澳大利亚皇家海军悉尼号巡洋舰被德国突袭舰HSK Kormoran号击沉是澳大利亚最严重的海难。自从“悉尼”号于1941年11月19日沉没以来,它的失事地点一直是个谜。许多研究人员已经确定了悉尼和科摩兰的可能地点。然而,没有人以严格的数学方式使用现有的证据,考虑到用于获得位置的每项证据的精度。他们中很少有人客观地考虑了所有现有的证据,而没有抛弃一些与他们的假设相矛盾的证据。该项目使用基于最小二乘的方法来求解两艘船的可能位置。搜索区域是使用每个解的相关置信区域来定义的。已经进行了多次调整,以适应不同的数据集,其中在使用可用信息方面存在各种选择。该方法已证明是合理的,但是,更多的资料可以提供更确定的解决办法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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