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基于扫帚式扫描机制的条纹管成像激光雷达对地探测性能受多参数耦合影响,需对系统参数进行精细配置。通过建立扫描条带的简化二维几何分布模型,量化分析了回波成像与扫描单元参数对条带覆盖特性的影响,并首次通过多高度(至6 km)系统性机载飞行实验,定量验证了条纹管成像激光雷达扫帚式扫描模型在不同高度的普适性,明确了探测效率与点密度随高度变化的定量规律。实验结果表明,随飞行高度从2 km增加至6 km,单条带覆盖面积由0.17 km2增大至1.68 km2,系统探测效率由5.5 km2/min提升至18.9 km2/min,点密度由6.4点/m2调整为1.8点/m2。该系统在千米级高度范围内可实现探测效率与点云密度的良好平衡,能够满足大范围地面高效高分辨率遥感探测的需求。
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Chaowei et al. (2025) studied this question.
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