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    • 10. 发明授权
    • Integrated SATPS total survey station
    • 综合SATPS总测量站
    • US06369755B1
    • 2002-04-09
    • US08963011
    • 1997-11-03
    • Mark NicholsNicholas C. Talbot
    • Mark NicholsNicholas C. Talbot
    • G01S514
    • G01S19/41G01C15/002G01S19/33G01S19/44
    • Apparatus for measuring surveying parameters, such as distances and angular displacements between an instrument survey station and a mobile survey station, with improved accuracy. The invention combines a differential satellite positioning system (DSATPS), available with positioning systems such as GPS and GLONASS, with electromagnetic measurements of distances and optically encoded angles by a conventional electro-optical survey instrument to provide survey measurements that can be accurate to within a few millimeters in favorable situations. The DSATPS relies upon pseudorange measurements or upon carrier phase measurements, after removal of certain phase integer ambiguities associated with carrier phase SATPS signals. The SATPS may be retrofitted within the housing of the conventional electro-optical instrument. In a first approach, a remote station provides DSATPS corrections for the mobile station and/or for the instrument station. In a second approach, the mobile station provides DSATPS corrections for itself and for the instrument station. In a third approach, the instrument station provides DSATPS corrections for itself and for the mobile station.
    • 用于测量测量参数的装置,例如仪器测量站和移动测量站之间的距离和角位移,具有改进的准确度。 本发明结合了具有诸如GPS和GLONASS等定位系统的差分卫星定位系统(DSATPS),通过常规电光测量仪器进行距离电磁测量和光学编码角度,以提供可精确到 有利情况下几毫米。 在去除与载波相位SATPS信号相关的某些相位整数模糊度之后,DSATPS依赖于伪距测量或载波相位测量。 SATPS可以在传统电光仪器的外壳内改装。 在第一种方法中,远程站为移动站和/或仪器站提供DSATPS校正。 在第二种方法中,移动台为其本身和仪器站提供DSATPS校正。 在第三种方法中,仪器台为其自身和移动台提供DSATPS校正。