基于分数阶微分的土壤全氮高光谱反演

陈昊宇, 项磊, 高贺, 牟金燚, 索晓晶, 滑博伟

Hyperspectral inversion of total nitrogen content in soils based on fractional order differential

CHEN Haoyu, XIANG Lei, GAO He, MU Jinyi, SUO Xiaojing, HUA Bowei

表3 全氮建模集和验证集描述性统计

Tab.3 Descriptive statistics of modeling set and prediction set of total nitrogen

数据集 最大值/ (g·kg-1) 最小值/ (g·kg-1) 均值/ (g·kg-1) 标准差/ (g·kg-1) 土样 数/个 建模集 1.74 0.12 0.52 0.29 90 验证集 1.44 0.11 0.52 0.36 30