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本文讨论了以热红外信息为基础的SDD作物估产模式的机理,分析了作物干物质积累量和热红外信息的函数关系,证明该模式具有一定的理论基础。用山东禹城的试验资料确认了该模式的优点和适用范围,并以作物热惯量信息为基础试验了估产扩展模式。
This paper discusses the mechanism of crop yield estimation based on thermal infrared (IR) data and analyzes the functional relationship between dry matter accumulation and thermal infrared (IR) information. It is proved that the model has some theoretical foundation. The test data from Yucheng, Shandong Province confirmed the advantages and applicability of the model and tested the mode of estimation expansion based on crop thermal inertia information.