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均值偏差率阈值函数在电子鼻中的应用研究

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摘要 在电子鼻鉴别同类但品种不同的食品时,往往是品种越多其鉴别难度越大。为了提高电子鼻长期使用的鉴别正确率,需要对引起电子鼻气体测量和识别带来误差的气敏传感器漂移信号进行有效地去除。鉴于此,提出了一种基于小波变换的均值偏差率函数来处理漂移信号的方法,通过构造基于小波变换系数的均值偏差率函数,实现对小波系数的动态处理,有效消除了电子鼻漂移信号的影响。
出处 《山东工业技术》 2015年第13期128-128,共1页 Journal of Shandong Industrial Technology
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