1 March 1994 Dynamic measurement of tiny displacement by dimension reduction
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In the field of displacement measurement, the traditional method usually uses a linear receiver for 1D testing and a plane array receiver for 2D testing. In this paper we describe a new method of tiny displacement measurement by dimension reduction. According to this method, a testing system of a 2D displacements is established using a linear receiver, the accuracy of the system is under 3 micrometers , and the problem that 2N-dimensional variables can be measured by N linear receivers is discussed.
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Yan Liu, Jingwu Xuong, Gengxian He, "Dynamic measurement of tiny displacement by dimension reduction", Proc. SPIE 2004, Interferometry VI: Applications, (1 March 1994); doi: 10.1117/12.172593; https://doi.org/10.1117/12.172593

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