基于正交球面波插值的近场声<br /> 全息分辨率增强方法<br />
Journal Title: Science Paper Online - Year 2007, Vol 2, Issue 3
Abstract
本文提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。该方法按照Helmholtz方程确定的声学规律,通过若干不同阶次的球面波源叠加拟合实际声场，实现全息面声压插值，从而等效地增加全息面声压数据，减小测量间隔，在一定程度上恢复由于实际测量间隔太大而损失了的倏逝波信息，从而使近场声全息图像得到提高。数值仿真表明该方法可以有效提高近场声全息图像的分辨率。
Authors and Affiliations
Liang Xu, Chuanxing Bi, Xinzhao Chen
Keywords
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