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

Jinpeng YANG

doi:10.1007/s11465-009-0001-5

Front. Mech. Eng. ›› 2009, Vol. 4 ›› Issue (1) : 92 -96. DOI: 10.1007/s11465-009-0001-5

Research Article

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

Jinpeng YANG ^*

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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.

Keywords

absorption structure / low-frequency structure / absorption cross-section / NO₂ density

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Jinpeng YANG. Improving retrieval precision of NO₂ density in DOAS by accurately ascertaining low-frequency structure. Front. Mech. Eng., 2009, 4(1): 92-96 DOI:10.1007/s11465-009-0001-5