基于机载小光斑全波形LIDAR的作物高度反演

被引：22

作者：

周梦维 ^{[1
,2
]}

柳钦火 ^{[1
]}

刘强 ^{[1
]}

肖青 ^{[1
]}

机构：

[1] 中国科学院遥感应用研究所遥感科学国家重点实验室

[2] 中国科学院研究生院

来源：

农业工程学报 | 2010年 / 26卷 / 08期

基金：

国家自然科学基金重点项目;

关键词：

LIDAR; 全波形; 高斯分解; 作物高度;

D O I：

暂无

中图分类号：

TN958.98 [光学定位雷达、激光雷达];

学科分类号：

080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;

摘要：

为了填补利用激光雷达反演作物冠层高度的空白,本文以全波形激光雷达发射与回波波形的高斯性为理论基础,首先通过对波形的拟合,实现作物与土壤波形的剥离,然后确定回波波形上各关键点,最后结合作物冠层结构的特征获得作物冠层高度。验证结果表明:反演作物冠层高度的绝对误差在0.06m以内,相对误差小于5.2%。该方法对于反演其他植被结构参数也具有重要的借鉴意义。

引用

页码：183 / 188

页数：6

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