Impact of Lock-In Time Constant on Remote Monitoring of Trace Gas in the Atmospheric Column Using Laser Heterodyne Radiometer (LHR)

Impact of Lock-In Time Constant on Remote Monitoring of Trace Gas in the Atmospheric Column Using Laser Heterodyne Radiometer (LHR)

The time constant selected for lock-in amplification (LIA) has a crucial impact on observed line shapes in laser heterodyne spectroscopy, in particular in the case of ground-based remote monitoring of trace gas in the atmospheric column using laser heterodyne radiometer (LHR). Conventional simulatio...

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Bibliographic Details
Main Authors: Fengjiao Shen, Gaoxuan Wang, Zhengyue Xue, Tu Tan, Zhensong Cao, Xiaoming Gao, Weidong Chen
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Remote Sensing
Subjects:
lock-in amplification time constant
laser heterodyne spectrum
continuous tuning of laser frequency
high-precision
line shape
laser heterodyne radiometer
Online Access:https://www.mdpi.com/2072-4292/14/12/2923

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