laser length standard
... time-length standard 时间长度标准 laser length standard 激光长度基准 geodetic length standard 大地长度标准 ...
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通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
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