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Simplified Method for Horizontal Coordinates of Seafloor Control Points in Shallow Water
Author(s): 
Pages: 31-33,62
Year: Issue:  4
Journal: Hydrographic Surveying and Charting

Keyword:  海底控制网等效声速剖面法压力传感器圆走航距离交会定位;
Abstract: 提出了一种在声速剖面未知的条件下计算海底控制点水平坐标的方法,根据流体静力学方程将海底应答器的压力值转化为深度值,并以此深度值作为等效声速剖面法的参考深度,基于等效声速剖面法与船底换能器到海底应答器声波的传播时间计算各历元的测距值,通过圆走航利用距离交会法确定海底控制点水平方向的坐标.松花湖的实验表明,这种方法可以获得较高精度的浅海海底控制点水平方向的坐标.
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