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机载激光雷达航带平差实验研究——基于参数模型和地面控制点数据

DOI: 10.6046/gtzyyg.2012.02.04, PP. 19-22

Keywords: 机载激光雷达,航带平差,十二参数模型

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Abstract:

机载激光雷达测量获取的地表点云数据在经过预处理解算后仍会残余部分航带性系统误差,因此,在利用点云数据生成DEM等相关数字产品之前,必须检查并改正这部分航带性系统误差。以此为主要目标,选择"十二参数模型"进行航带平差,总结航带平差的一般技术流程,并对航带平差过程中是否引入地面控制点的结果进行对比分析。结果表明,引入地面控制点进行航带平差,数据的内外部精度均得到有效改善。

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