期刊文献+

基于分布源边界点法的近场声全息技术 被引量:1

Near Field Acoustic Holography Based on the Distributed Source Boundary Point Method
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摘要 分布源边界点法是一种新型的声辐射数值计算方法,通过分布在振动体内部一系列的特解源间接地构造出声源与声场之间的传递矩阵,从而有效地避开了采用边界元法求解声辐射问题时所存在的复杂的变量插值、奇异积分的处理、特征波数处解的非唯一性等问题.本文首先建立了分布源边界点法实现近场声全息变换的模型,并提出采用Tikhonov正则化方法稳定重建过程,抑制了重建误差的影响,随后通过实验研究进一步验证了文中方法的可行性和正确性.
出处 《振动工程学报》 EI CSCD 北大核心 2004年第z2期931-935,共5页 Journal of Vibration Engineering
基金 国家自然科学基金资助项目(编号:50275044)、高等学校博士学科点基金项目(编号:20020359005)和安徽省自然科学基金资助项目(编号:00047418)
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参考文献15

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