一种改进SAWR系统及在橙子贮藏时间预测中的应用  

An Improved Surface Acoustic Wave Resonator System and Applications in Orange Storage Time Predicting

作　　者：黄洁[1] 尹芳缘[1] 王敏敏[1] 王绿野[1] 惠国华[1] 

机构地区：[1]浙江工商大学计算机与信息工程学院食品与生物工程学院,杭州310035

出　　处：《中国食品学报》2015年第2期244-248,共5页Journal of Chinese Institute Of Food Science and Technology

基　　金：浙江省公益技术应用研究项目(2011C21051);浙江省大学生科技创新活动计划项目(2014R408021)

摘　　要：根据橙子的物化特性,研制了一种改进的声表面波谐振器(SAWR)检测系统。将橙子样品串联入改进SAWR,测量不同贮藏时间橙子样品的频率响应,结果表明随着贮藏时间的增加,SAWR频率逐渐升高。将所得数据经RS-232接口传输至计算机,拟合回归建立橙子预测模型,该预测模型可准确判断橙子贮藏时间。Based on physical and chemical properties of orange, an improved surface acoustic wave resonator（SAWR） system has been designed for orange storage time analysis. Orange sample is put in serial with SAWR devices.Frequency responses of SAWR to oranges under different storage time are measured by a desktop via RS232 transmission port. SAWR frequency increases with the increase of storage time. Storage time detecting model is built based on SAWR frequency fitting regression. Predicting model based on SAWR presents good accuracy.

关 键 词：橙子 贮藏时间 改进声表面波谐振器 串联 

分 类 号：TS255.3[轻工技术与工程—农产品加工及贮藏工程]