节点文献
IMU姿态测量误差对激光脚点精度影响与模拟计算
Influence of IMU Attitude Measurement Error on Laser Point Accuracy and Simulated Calculations
【摘要】 介绍了机载激光扫描的现状。在机载激光扫描系统定位原理的基础上,讨论了俯仰角、侧滚角、偏航角误差对激光脚点定位精度的影响并进行了详细分析;利用目前IMU实际测量精度进行模拟计算,得出了一些有益结论,对于理解机载激光雷达定位精度和实际应用具有一定的指导意义。
【Abstract】 The status quo of airborne laser scanning was briefly introduced.On the basis of airborne laser scanning system positioning principle,the impact of the pitch angle,roll angle and yaw angle on laser point positioning accuracy was analyzed in detail.After simulated calculations using IMU practical measurement accuracy presently,some useful conclusions were obtained,which have certain guiding significance for the understanding of airborne laser positioning accuracy and practical application.
【关键词】 机载激光扫描测高;
惯性测量单元;
定位精度;
误差分析;
模拟计算;
【Key words】 airborne laser scanning altimetry; Inertial Measurement Unit(IMU); positioning accuracy; error analysis; simulated calculation;
【Key words】 airborne laser scanning altimetry; Inertial Measurement Unit(IMU); positioning accuracy; error analysis; simulated calculation;
【基金】 国家科技支撑计划资助项目(2006BAB10B);国家863计划资助项目(2007AA12Z346)
- 【文献出处】 测绘科学技术学报 ,Journal of Geomatics Science and Technology , 编辑部邮箱 ,2009年05期
- 【分类号】P225.2
- 【被引频次】10
- 【下载频次】261