CN102507495B - Method for rapidly and nondestructively detecting green tea water content based on wavelet transformation - Google Patents
Method for rapidly and nondestructively detecting green tea water content based on wavelet transformation Download PDFInfo
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- CN102507495B CN102507495B CN 201110375608 CN201110375608A CN102507495B CN 102507495 B CN102507495 B CN 102507495B CN 201110375608 CN201110375608 CN 201110375608 CN 201110375608 A CN201110375608 A CN 201110375608A CN 102507495 B CN102507495 B CN 102507495B
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- green tea
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- 244000269722 Thea sinensis Species 0.000 title claims abstract description 60
- 235000009569 green tea Nutrition 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000009466 transformation Effects 0.000 title claims abstract description 12
- 238000001228 spectrum Methods 0.000 claims abstract description 17
- 238000000862 absorption spectrum Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000002835 absorbance Methods 0.000 claims description 9
- 238000002310 reflectometry Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 4
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 7
- 235000013616 tea Nutrition 0.000 abstract description 5
- 238000002329 infrared spectrum Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 35
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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CN 201110375608 CN102507495B (en) | 2011-11-23 | 2011-11-23 | Method for rapidly and nondestructively detecting green tea water content based on wavelet transformation |
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CN 201110375608 CN102507495B (en) | 2011-11-23 | 2011-11-23 | Method for rapidly and nondestructively detecting green tea water content based on wavelet transformation |
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CN102507495A CN102507495A (en) | 2012-06-20 |
CN102507495B true CN102507495B (en) | 2013-10-23 |
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CN 201110375608 Expired - Fee Related CN102507495B (en) | 2011-11-23 | 2011-11-23 | Method for rapidly and nondestructively detecting green tea water content based on wavelet transformation |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103743697A (en) * | 2013-12-20 | 2014-04-23 | 贵州省分析测试研究院 | Method for monitoring tea production in real time by adopting near infrared spectrum |
CN104502305B (en) * | 2014-12-09 | 2017-02-22 | 西北师范大学 | Near infrared spectrum useful information distinguishing method based on wavelet transform |
CN104931453A (en) * | 2015-06-12 | 2015-09-23 | 湖北省农业科学院果树茶叶研究所 | Method for predicting water content of spread green leaves of green tea based on near infrared spectrum technology |
CN105424640A (en) * | 2015-11-27 | 2016-03-23 | 浙江大学 | Method for detecting lead chrome green addition content of tea leaves |
CN105510269A (en) * | 2015-11-27 | 2016-04-20 | 浙江大学 | Detection method of add content of talcum powder in tea |
CN106706559B (en) * | 2017-03-03 | 2019-06-18 | 上海事凡物联网科技有限公司 | Measurement method, system and the server of fallen leaves moisture content |
CN110261345B (en) * | 2019-06-25 | 2021-08-24 | 大连海事大学 | Near infrared spectrum soft measurement method and system based on wavelet function |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101598714A (en) * | 2009-03-26 | 2009-12-09 | 安徽农业大学 | The evaluation method of quality of fresh tea leaf raw material |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101598714A (en) * | 2009-03-26 | 2009-12-09 | 安徽农业大学 | The evaluation method of quality of fresh tea leaf raw material |
Non-Patent Citations (6)
Title |
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Discriminating varieties of tea plant based on Vis/NIR spectral characteristics and using artificial neural networks;Xiaoli Li et al;《Biosystems engineering》;20080331;第99卷;第196页右栏倒数第2段-第199页左栏第1段 * |
Xiaoli Li et al.Discriminating varieties of tea plant based on Vis/NIR spectral characteristics and using artificial neural networks.《Biosystems engineering》.2008,第99卷 |
基于漫反射光谱的初制绿茶含水率无损检测方法;李晓丽 等;《农业工程学报》;20100531;第26卷(第5期);第315页右栏第1段 * |
李晓丽 等.基于漫反射光谱的初制绿茶含水率无损检测方法.《农业工程学报》.2010,第26卷(第5期), |
滕召胜 等.茶叶水分快速检测方法.《茶叶科学》.1999,第19卷(第1期), |
茶叶水分快速检测方法;滕召胜 等;《茶叶科学》;19991231;第19卷(第1期);全文 * |
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Inventor after: Li Xiaoli Inventor after: Luo Liubin Inventor after: He Yong Inventor after: Nie Pengcheng Inventor after: Bao Yidan Inventor after: Qiu Zhengjun Inventor before: Li Xiaoli Inventor before: Nie Pengcheng Inventor before: He Yong Inventor before: Bao Yidan Inventor before: Qiu Zhengjun |
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Free format text: CORRECT: INVENTOR; FROM: LI XIAOLI NIE PENGCHENG HE YONG BAO YIDAN QIU ZHENGJUN TO: LI XIAOLI LUO LIUBIN HE YONG NIE PENGCHENG BAO YIDAN QIU ZHENGJUN |
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