Because of their multi scale characteristic, it's impossible to characterize machined surfaces objectively with statistic parameters measured by a measuring instrument of limited resolution.
机加工表面的多重尺度特征导致在一定分辨率测量条件下所测得的统计参数不能客观地反映被测表面的特征。
A method of precision evaluation for field large-scale measurement instruments is proposed with multi-instrument stations and multi-reference points.
针对现场全面评价大尺寸测量仪器精度的特殊性，提出了一种采用多仪器站多控制点的精度评价方法。
Abstract: To implement the high reliability and low power consumption, a small-scale target positioning instrument with multi-channels and a large field of view was developed.
摘要：研制了一种在大视场范围内可靠性高、功耗低的便携式目标定位仪器。
Abstract: To implement the high reliability and low power consumption, a small-scale target positioning instrument with multi-channels and a large field of view was developed.
摘要：研制了一种在大视场范围内可靠性高、功耗低的便携式目标定位仪器。
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