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Measurement and Analysis Method of Plant Circadian Clock Based on Wavelet Decomposition and Chlorophyll Fluorescence

A technology of chlorophyll fluorescence and wavelet decomposition, which is applied in the field of measurement and analysis of plant biological clocks, and can solve problems such as incomplete connection

Active Publication Date: 2020-07-28
JIANGNAN UNIV
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Problems solved by technology

At present, research on the circadian clock of higher plants is still experimenting and modeling, and the links between various aspects are still not fully determined

Method used

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  • Measurement and Analysis Method of Plant Circadian Clock Based on Wavelet Decomposition and Chlorophyll Fluorescence
  • Measurement and Analysis Method of Plant Circadian Clock Based on Wavelet Decomposition and Chlorophyll Fluorescence
  • Measurement and Analysis Method of Plant Circadian Clock Based on Wavelet Decomposition and Chlorophyll Fluorescence

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0024] A plant biological clock measurement and analysis method based on wavelet decomposition and chlorophyll fluorescence, comprising:

[0025] The measurement of the chlorophyll fluorescence signal is completed by measuring the rapid chlorophyll fluorescence OJIP curve at a series of time points;

[0026] The biological clock information contained in the chlorophyll fluorescence feature sequence is analyzed based on wavelet transform, and the periodic biological signal with noise is analyzed by using the characteristics that different wavelet decomposition layers contain information of different scales.

[0027] In one of the embodiments, "Analyze the biological clock informati...

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Abstract

The invention discloses a plant biological clock measurement and analysis method based on wavelet decomposition and chlorophyll fluorescence. The invention relates to a method for measuring and analyzing plant biological clock, which is characterized in that photosynthesis information characterized by chlorophyll fluorescence (ChlF) is combined with wavelet to effectively analyze plant biological clock phenomena. The circadian clock phenomenon of plants is closely related to plant physiology, and its measurement is of great significance to the research and application of related fields. In agriculture, the timing of agricultural irrigation and supplementary light plays a decisive role in agricultural production, and the biological clock related to photosynthetic efficiency is an important factor affecting its effect. ChlF emitted by plant photosystem II (PSII) is closely related to plant photosynthesis and can reflect the efficiency of photosynthesis. In this invention, the measurement method of ChlF and the wavelet decomposition method of ChlF feature sequence are introduced, and the use of wavelet transform to decompose ChlF time series data is proposed.

Description

technical field [0001] The invention relates to the field of biological signal processing, in particular to a method for measuring and analyzing plant biological clocks based on wavelet decomposition and chlorophyll fluorescence. Background technique [0002] Biological clock is an intrinsic characteristic of organisms, which determines the internal rhythm of various physiological activities of organisms undergoing periodic oscillations. It is ubiquitous in the biological world, born to adapt to the cyclical changes of day and night and the changing seasons. The physiological activities of many plants are the embodiment of cyclic phenomena, and the response of plants to changes in day length is closely related to the internal diurnal cycle. The circadian clock phenomena of plants are closely related to their growth patterns. Considering the specific amount of agricultural irrigation and supplementary lighting as well as the time decision-making problem, the measurement of ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64G06K9/00
CPCG01N21/6486G06F2218/06
Inventor 郭亚王胜夏倩黄敏朱启兵
Owner JIANGNAN UNIV
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