谭龙飞;陈彦;童玲;段崇棣;

• 1:应急管理部四川消防研究所
• 2:电子科技大学自动化工程学院
• 3:中国空间电子信息技术研究院西安分院

摘要(Abstract)：

地物的空间分布状态会影响微波后向散射特性,针对因生长特性而无明显行列向的水稻,该文利用L、C双频段全极化后向散射计对水稻整个生长季进行后向散射系数测量,提出了聚集度指数表征这类植被不同时相的空间特性。通过分析不同空间聚集度的水稻散射特性,研究了水稻后向散射系数在高低频的时空响应。实验结果表明,拔苗期至分蘖前期,下垫面土壤散射为主要散射分量时,C波段后向散射响应随着水稻聚集度变化而规律变化,从分蘖后期开始,随着生物量变大植被体散射增加,L波段后向散射相较C波段对空间聚集度响应更为明显。

关键词(KeyWords)： 散射特性;聚集度;行列向;空间特性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41571333,41371340);; 国家电网公司总部科技项目

作者(Authors): 谭龙飞;陈彦;童玲;段崇棣;

DOI: 10.16251/j.cnki.1009-2307.2019.07.026

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