HHT时频分析土壤光谱的重金属铜离子污染信息提取模型
杨可明1, 汪国平1,2, 付萍杰1, 张伟1, 王晓峰1

A Model on Extracting the Pollution Information of Heavy Metal Copper Ion Based on the Soil Spectra Analyzed by HHT in Time-Frequency
YANG Ke-ming1, WANG Guo-ping1,2, FU Ping-jie1, ZHANG Wei1, WANG Xiao-feng1
不同浓度Cu2+污染下的土壤光谱