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首页> 《中国测试》期刊 >本期导读>基于光谱特征提取的橡胶手套无损检验研究

基于光谱特征提取的橡胶手套无损检验研究

148    2024-06-26

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作者:田陆川1, 陈浩然1, 姜红2, 吕航1, 孙家政1, 段斌3, 刘峰3

作者单位:1. 中国人民公安大学侦查学院,北京 100038;
2. 万子健检测技术(北京)有限公司司法鉴定中心,北京 100141;
3. 南京简智仪器设备有限公司,江苏 南京 210049


关键词:差分拉曼光谱;橡胶手套;系统聚类;Pearson相关系数;DP值


摘要:

为建立一种快速、无损检验橡胶手套的分析,利用差分拉曼光谱仪在激发波长785 nm,采集时间为40 s,激光功率为220 mW条件下,对收集到的40个不同厂家、不同品牌、不同用途的橡胶手套样本进行检测。根据样本的主要成分不同可以将40个样本分为四大类,可根据填料的不同对同一类样本进一步分组。结合系统聚类、Pearson相关系数法对实验数据进行处理,可根据其相关性将样本分为14组,分组结果的DP区分能力达到89.74%,组内样品间的相关性均大于85%,该方法可有效地对样品进行区分。


Research on non-destructive testing of rubber gloves based on spectral feature extraction
TIAN Luchuan1, CHEN Haoran1, JIANG Hong2, Lü Hang1, SUN Jiazheng1, DUAN Bin3, LIU Feng3
1. College of Investigate, People’s Public Security University of China, Beijing 100038, China;
2. Judicial Appraisal Center of Wanzijian Testing Technology Co., Ltd., Beijing 100141, Chian;
3. Nanjing Jianzhi Instrument and Equipment Co., Ltd., Nanjing 210049, China
Abstract: In order to establish a rapid and non-destructive analysis of rubber gloves, 40 rubber glove samples from different manufacturers, brands and uses were tested by differential Raman spectrometer under the conditions of excitation wavelength 785 nm, acquisition time 40 s and laser power 220 mW. According to the main components of the samples, 40 samples can be divided into four categories, and the same type of samples can be further grouped according to different fillers. Combined with systematic clustering and Pearson correlation coefficient method to process the experimental data, the samples can be divided into 14 groups according to their correlation. The DP discrimination ability of grouping results is 89.74%, and the correlation between samples in the group is greater than 85%. This method can effectively distinguish samples.
Keywords: differential Raman spectroscopy; rubber glove; systematic clustering; Pearson correlation coefficient; DP discrimination
2024, 50(6):87-92 收稿日期: 2021-10-26;收到修改稿日期: 2022-02-28
基金项目: 中国人民公安大学2021年度基科费重点项目(2021JKF212);南京简智仪器设备有限公司技术合作项目(20191218)
作者简介: 田陆川(2001-),男,吉林吉林市人,硕士研究生,专业方向为刑事科学技术。
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