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8 December 2009 Laser scanning system for large diameter measurement
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In this paper, it is described the work principle and total structure and design of the laser-scanned measuring systerm for the large diameter. Signal characteristics of scanning system is described,the circuit and method for boundaries detection and drift errors. The feasibility of the system is tested by practice, the accuracy of boundary distinguishing is up to ±1μm,and continuous working errors up to ±5μm,measurement range up to 0~400mm. This system shows a better method for measuring large diameters.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Liang Chen, Shuqin Zhang, Shangzhong Ji, Benkang Chang, and Jun Yu "Laser scanning system for large diameter measurement", Proc. SPIE 7506, 2009 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 750625 (8 December 2009);

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