雷达遥感技术在水稻识别中的研究进展  

Advances of Rice Recognition by SAR

作　　者：王松寒 何隆华[2] 

机构地区：[1]东南大学交通学院,南京210096 [2]中国科学院南京地理与湖泊研究所,南京210008

出　　处：《遥感信息》2015年第2期3-9,共7页Remote Sensing Information

基　　金：国家自然科学基金资助项目(41271418)

摘　　要：合成孔径雷达技术拥有全天时、全天候、高分辨率和不受云层干扰的特点,利用SAR在我国水稻种植区进行水稻识别拥有无可比拟的优势。该文主要对雷达遥感技术在水稻识别和监测中的应用情况进行了综述。首先总结了合成孔径雷达的发展历史,介绍了目前用于水稻识别的SAR传感器的参数和特点;介绍了水稻的后向散射特性,根据水稻的后向散射模型分析了影响其后向散射系数的因素;综述了国内外利用SAR进行水稻识别的各种方法,并对未来利用SAR监测水稻进行了展望。Due to its all-weather,all-time,high resolution and non-cloud interference characteristics,Synthetic Aperture Radar (SAR)techniques have unparalleled advantages for rice recognition in China.This article gives a review on the SAR techniques for rice recognition.It summarizes the development history of SAR,describes the parameters and characteristics of SAR sensors used for rice recognition,and analyzes the factors influencing backscattering coefficient based on the backscattering model of rice monitoring.This paper also reviews various methods for rice recognition based on SAR in domestic and abroad. Finally,the paper discusses the prospect in the related fields.

关 键 词：SAR 水稻识别 研究进展 雷达遥感 水稻估产 

分 类 号：S511[农业科学—作物学] S127