Detection and identification of liquids using reflection THz time-domain spectroscopy with principal component analysis and support vector machine algorithm

Xinhui Tan; Shana Tang; Zhenghua Yang; Junzhong Xie; Jianmin Tang; Fangqi Xie; Chunchao Qi

doi:10.1364/ISUPTW.2018.WI27

The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves
OSA Technical Digest (online) (Optica Publishing Group, 2018),
paper WI27
•https://doi.org/10.1364/ISUPTW.2018.WI27

Detection and identification of liquids using reflection THz time-domain spectroscopy with principal component analysis and support vector machine algorithm

Xinhui Tan, Shana Tang, Zhenghua Yang, Junzhong Xie, Jianmin Tang, Fangqi Xie, and Chunchao Qi

International Symposium on Ultrafast Phenomena and Terahertz Waves 2018

Changsha, Hunan China
23–26 April 2018
ISBN: 978-0-9600380-8-4

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Poster Session II (WI)

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X. Tan, S. Tang, Z. Yang, J. Xie, J. Tang, F. Xie, and C. Qi, "Detection and identification of liquids using reflection THz time-domain spectroscopy with principal component analysis and support vector machine algorithm," in The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves, OSA Technical Digest (online) (Optica Publishing Group, 2018), paper WI27.

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Abstract

46 different kinds of liquids inside a quartz glass cell were measured with reflection THz-TDS. The sample signals were analyzed with PCA and SVM algorithm in frequency domain and the liquids could be identified feasibly.

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