红外烟草水份测定仪及其数字滤波方法  

The Near Infrared Moisture Analyzer of Tobacco and Its Signal Digital Filter

作　　者：解小华[1] 石要武[1] 张爱春[1] 

机构地区：[1]吉林大学信息与控制工程学院,长春130025

出　　处：《仪器仪表学报》2001年第z2期191-192,共2页Chinese Journal of Scientific Instrument

基　　金：国家自然科学基金项目 (69872 0 1 2 )

摘　　要：提出了三光束红外烟草水份测量仪的测量原理、光学结构。首次在红外烟草水份测量仪中采用了数字 Boxcar滤波器这一现代数字滤波技术 ,从而大大提高了该仪器的测量精度。文中使用互相关方法对 Boxcar滤波算法进行了严格的理论分析 。The measuring principle and the optical structure of the three beams near infrared moisture analyzer of tobacco are presented. In order to increase the precision of the analyzer, the digital Boxcar filter is used in the analyzer. Based on the cross correlation theory, the theoretical analysis and algorithm of the filter are also discussed in the paper.

关 键 词：水份测量 光学测量 Boxcar滤波器 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置]