Rotation and translation measurement
作者： John C. Tsai
DOI:
关键词:
摘要: A position determining system (PDS)( 100 ) or multiple parameters measurement (MPMS)( 300 particularly useful for translation and rotation of objects having up to five degrees freedom. light source ( 122, 302 provides beams 124, 304 into at least two channels. Each channel may include an interferometer 310 ), reflective target 110, 314 beam splitter 128, 312 detector 132, 316 receiver 318 ). In concert, the detectors sense horizontal, vertical, roll receivers longitudinal yaw change. Optionally, modulation can be imposed on phase-sensitive synchronous demodulation used enhance accuracy.
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