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Highly precise micro torsion angle detection by fringe array
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作者 高旸 王省书 +2 位作者 胡春生 黄宗升 战德军 《Chinese Optics Letters》 SCIE EI CAS CSCD 2014年第8期10-14,共5页
Pringe array is proposed as the cooperated target in the precise torsion angle detection. The target fringe array image is generated according to the structure of the optical system, and the torsion angle detection al... Pringe array is proposed as the cooperated target in the precise torsion angle detection. The target fringe array image is generated according to the structure of the optical system, and the torsion angle detection algorithm is analyzed in response to the gray distribution of the image. The factors affecting the detection precision of the fringe torsion angle are analyzed theoretically and numerically. It indicates that the detection precision of the torsion angle is 1 angular second or even less, carefully selecting the detector array. Significantly, experiments are performed to demonstrate the precision and the results match well with the simulations. 展开更多
关键词 Highly precise micro torsion angle detection by fringe array length
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