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Planar elements method for forecasting the echo characteristics from sonar targets
Author(s): 
Pages: 171-180
Year: Issue:  1
Journal: Journal of Ship Mechanics

Abstract: 将计算雷达散射截面的板块元方法引入到声呐目标强度计算中.在应用Kirchhoff近似计算水中目标散射声场时,用一组平面板块元近似复杂形状目标曲面,所有板块元的散射声场的和就是总散射声场的近似值.通过将单个板块元的积分化为代数和避免了面积分运算,使得板块元法比通常的面元积分法计算速度提高许多倍.针对声呐的情况将此方法推广到目标近场和非刚性表面回声特性预报.用这种方法解决了多种声呐目标的回声计算并开发...
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