Laser-induced fluorescence monitoring of Chinese Longjing tea

被引：3

作者：

Mei, Liang ^{[1
,2
,3
]}

Guan, Zuguang ^{[4
]}

Somesfalean, Gabriel ^{[1
,2
,3
]}

Svanberg, Sune ^{[2
,3
,5
]}

机构：

[1] Zhejiang Univ, Ctr Opt & Elect Res, Hangzhou 310058, Zhejiang, Peoples R China

[2] Zhejiang Univ, Univ Lund, Royal Inst Technol, Joint Res Ctr Photon, Hangzhou 310058, Peoples R China

[3] Lund Univ, Dept Phys, Div Atom Phys, SE-22100 Lund, Sweden

[4] ALOMAR Observ, Andoya Rocket Range AS, N-8483 Andenes, Norway

[5] South China Normal Univ, Ctr Opt & Elect Res, Guangzhou 510006, Peoples R China

来源：

REMOTE SENSING FOR AGRICULTURE, ECOSYSTEMS, AND HYDROLOGY XIV | 2012年 / 8531卷

基金：

瑞典研究理事会;

关键词：

Laser-induced fluorescence; LIF; chlorophyll; chemometric; FRF; RF; LEAVES; GREEN; WHEAT; TOOL;

D O I：

10.1117/12.974562

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Laser-induced fluorescence (LIF) spectra of a bush and numerous branches of Chinese Longjing tea were investigated remotely with lidar techniques. The intensity ratio between the far red fluorescence (FRF) and red fluorescence (RF) due to the chlorophyll content of the tea branches were analyzed to study the growth conditions in different villages around Hangzhou, China. Dried Longjing tea leaves were also measured by LIF techniques in the laboratory. A chemometric method based on singular value decomposition (SVD) and linear discriminant analysis (LDA) was used to evaluate the tea qualities of the dried tea leaves.

引用

页数：5

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