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Improving retrieval precision of NO2 density in DOAS by accurately ascertaining low-frequency structure

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Abstract

The NO2 density error retrieved by the traditional method of differential optical absorption spectroscopy (DOAS) was analyzed. The technique for reducing the error is proposed and used to obtain the NO2 density of Chengdu through DOAS.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Sichuan Information Technology College, Guangyuan, 628017, China

    Jinpeng Yang

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  1. Jinpeng Yang
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Correspondence to Jinpeng Yang.

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Yang, J. Improving retrieval precision of NO2 density in DOAS by accurately ascertaining low-frequency structure. Front. Mech. Eng. China 4, 92–96 (2009). https://doi.org/10.1007/s11465-009-0001-5

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  • DOI: https://doi.org/10.1007/s11465-009-0001-5

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