【摘要】 基于近红外漫透射分析技术,研制了一种水果内部品质在线近红外分析仪。详细描述了分析仪的三个组成部分,即光源探头、样品台、在线仪表单元,并说明了各部件的功能、特点、设计依据以及工作流程。以鸭梨黑心病为例,将该分析仪用于水果内部品质分析,检测速度达每秒钟3个,判别准确率为96%。实验结果表明,该分析仪测量快速准确,可靠性高,可用于水果内部品质的在线分析。更多还原

【Abstract】 A novel near infrared spectroscopy analyzer based on diffuse transmission technique was developed for on-line analyzing the internal quality of fruits.The analyzer mainly includes a light source module,a sample table and an on-line device module.Its features and confi guration were described in detail.The analyzer coupled with partial least square discriminant analysis has been successfully applied to prediction for blackheart pear.The measurement speed is three pears per second and the prediction accuracy rate is 96%.The results showed that the analyzer has the merits of high accuracy,long-term stability and fast time response etc,and can be applied to on-line analysis of fruits.更多还原