基于Sentinel卫星及无人机多光谱的滨海冬小麦种植区土壤盐分反演研究——以黄三角垦利区为例
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Inversion of Soil Salinity in Coastal Winter Wheat Growing Area Based on Sentinel Satellite and Unmanned Aerial Vehicle Multi-Spectrum— A Case Study in Kenli District of the Yellow River Delta
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图3. 研究区典型地物光谱曲线(左)及冬小麦决策树提取模型(右) |
Fig. 3. Spectral curve of typical features in the study area (left) and extraction model of winter wheat decision tree (right) |
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