Main > Chinese Journal of Lasers >  Volume 46 >  Issue 9 >  Page 0911002 > Article
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  • Received: Apr. 12, 2019

    Accepted: May. 13, 2019

    Posted: Sep. 1, 2019

    Published Online: Sep. 10, 2019

    The Author Email: Kan Ruifeng (rfkan@ciomp.ac.cn)

    DOI: 10.3788/CJL201946.0911002

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    Liangquan Jia, Hengnian Qi, Wenjun Hu, Guangwu Zhao, Ruifeng Kan, Lu Gao, Wen Zheng, Qin Xu. Rapid Nondestructive Grading Detection of Maize Seed Vigor Using TDLAS Technique[J]. Chinese Journal of Lasers, 2019, 46(9): 0911002

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Simulated absorption spectrum of CO2 near 2004 nm band

Fig. 1. Simulated absorption spectrum of CO2 near 2004 nm band

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Structural diagram of seed respiratory CO2 concentration detection pool based on multi-reflection pool

Fig. 2. Structural diagram of seed respiratory CO2 concentration detection pool based on multi-reflection pool

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Physical map of seed respiratory pool based on multi-reflection pool structure

Fig. 3. Physical map of seed respiratory pool based on multi-reflection pool structure

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Experimental system diagram of wavelength modulated TDLAS

Fig. 4. Experimental system diagram of wavelength modulated TDLAS

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Flow chart of seed vigor detection processing based on TDLAS technology

Fig. 5. Flow chart of seed vigor detection processing based on TDLAS technology

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Structural block diagram of second harmonic signal demodulation algorithm based on orthogonal vector

Fig. 6. Structural block diagram of second harmonic signal demodulation algorithm based on orthogonal vector

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Absorption spectral signals of two absorption peaks

Fig. 7. Absorption spectral signals of two absorption peaks

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Correction diagram of temperature change

Fig. 8. Correction diagram of temperature change

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Respiration curves of sweet maize seeds in different harvests

Fig. 9. Respiration curves of sweet maize seeds in different harvests

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