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以武汉东湖为实验区,基于资源一号02星(ZY1E)搭载的高光谱成像仪(AHSI)数据实现了Acolite-暗目标光谱拟合(DSF)大气校正方法的适配,并在400~900 nm光谱范围内对遥感反射率(R
rs
)产品进行了星地一致性验证。结果表明,影像反演的R
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光谱曲线形态与地面观测结果总体吻合,尤其在560~600 nm范围内呈现一致的反射峰,红边区域也展现出典型的光谱起伏特征,说明整体辐射定标与大气校正流程具备良好的可靠性与一致性。在蓝绿光波段,R
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存在系统性负偏差且离散程度较高,红光波段的一致性最佳。在红边至近红外区域,结果对光谱响应函数的准确性和波长配准精度极为敏感,易表现为比例性偏差。该方法可为ZY1E AHSI提供可复核的R
rs
基线产品,有望进一步抑制蓝光波段系统偏差、提升红边区域光谱一致性,从而为内陆水环境遥感监测提供更稳定、可比的数据支撑。
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