The vibration responses of the need nodes were estimated according to the response of the finite nodes by the modal expansion technique.
采用模态扩展技术实现由有限几个点的振动响应获取所需点上的响应。
A novel technique is proposed based on Fourier modal expansion and least-square fitting to reconstruct a two-dimensional wavefront from phase difference resulting from large shear.
提出一种基于模式展开和最小二乘拟合的算法，可以从大剪切量差分波前快捷地重建原始的二维波前。
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