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獼猴桃硬度近紅外漫反射光譜無(wú)損檢測(cè)
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陜西省自然科學(xué)基金資助項(xiàng)目(SJ08〖CD*2〗ZT06)和西北農(nóng)林科技大學(xué)青年學(xué)術(shù)骨干項(xiàng)目（Z111020711）


Non-destructive Detection of Kiwifruit Firmness Based on Near-infrared Diffused Spectroscopy
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    摘要:

    為了給獼猴桃成熟度判定提供一種無(wú)損檢測(cè)手段,，進(jìn)行了基于近紅外漫反射光譜定量分析技術(shù)檢測(cè)冷藏期間獼猴桃硬度的試驗(yàn)研究,。采用偏最小二乘法對(duì)“華優(yōu)”獼猴桃的近紅外光譜進(jìn)行了分析,，并且比較和討論了4種光譜預(yù)處理方法的建模結(jié)果,。試驗(yàn)結(jié)果表明,，在全譜范圍內(nèi)，一階微分光譜所建模型效果最佳,，其校正相關(guān)系數(shù)為0.963,，預(yù)測(cè)相關(guān)系數(shù)為0.852。

    Abstract:

    In order to explore a non-destructive method in identifying kiwifruit ripeness, a near infrared diffused spectroscopy technology was used to determine firmness of Huayou kiwifruits during cool storage. Partial least squares (PLS) regression was carried out to analyze the spectroscopy. Four different spectral pretreatment methods were used to compare calibration results for firmness. The result showed that the best calibration models, in the whole wavelength range, could be obtained by the first derivative spectrum with the correlation coefficient of calibration of 0.963 and the correlation coefficient of prediction of 0.852. 

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劉卉,郭文川,岳絨.獼猴桃硬度近紅外漫反射光譜無(wú)損檢測(cè)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(3):145-149. Liu Hui, Guo Wenchuan, Yue Rong. Non-destructive Detection of Kiwifruit Firmness Based on Near-infrared Diffused Spectroscopy[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(3):145-149.

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