Estimation model establishment method of the forest volume was inquired deeply and in detail and finished test and correction of a series of models.
深入探讨了森林蓄积量遥感估测模型的建立方法,完成了基于林分类型的森林蓄积量估测。
参考来源 - 基于“3S”技术对塞罕坝机械林场林分蓄积快速估测方法的研究Presently there were no qualitative and quantitative description of tobacco hyperspectra and no estimating models of many biophysical and biochemical indexes, mineral elements, so this restricted remote sensing techniques the to apply in tobacco growth inspection, yield estimation, quality inspection.
目前对烟草的高光谱特征没有做出定性和定量描绘,对其多种理化指标和矿质元素指标没有建立系统的估测模型,这严重阻碍了遥感技术在烟草长势监测、估产和品质监测等方面的应用。
参考来源 - 烟草高光谱特性与农艺、生理、品质指标关系和估测模型研究·2,447,543篇论文数据，部分数据来源于NoteExpress
进而对模型进行优选和检验，确定最佳估测模型。
Finally, the best estimation models are determined through model verification.
这表明该模型对苹果花钾素含量的估测具有较好的准确度，可作为最佳估测模型。
This indicates that the model has a better estimation accuracy for the kalium content in apple flowers and can be used as the best estimation model.
然后，采用逐 步回归分析方法，筛选敏感波长与光谱参数，建立钾素含量估测模型；
Then, the stepwise regression analysis method is used to select the sensitive wavelengths and spectral parameters and establish kalium content estimation models.
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