Acta Optica Sinica, Volume. 41, Issue 7, 0712001(2021)

Research on Passive Infrared Signal Processing Method Based on Lock-in Amplifier

Yunyun Wang1,2, Yanli Qiao2, Yangyu Li2、**, Tengxiao Guo3、*, Fangxiao Cui2, Jun Wu2, and Dacheng Li2
Author Affiliations
  • 1College of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
  • 2Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 3State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
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    [7] Fan C S. Design of methane gas detector based on digital lock-in amplifier[J]. Chinese Journal of Electron Devices, 41, 1577-1581(2018).

    [8] Zhang L, Li X, Wang Z B et al. Design of digital phase-locked circuit for TDLAS methane telemetry[J]. Transducer and Microsystem Technologies, 38, 89-92,96(2019).

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    [12] He L P, Chen B, Yang L et al. In situ optic measuring technique based on virtual lock-in[J]. Optics and Precision Engineering, 16, 1677-1681(2008).

    [13] Zurich Instruments[2020-10-09]. Principles of lock-in detection and the state of the art [2020-10-09].https://www.zhinst.com/others/cn/resources/principles-of-lock-in-detection..

    [14] Liu L, Gu X F, Yu T et al. HJ-1B thermal infrared band in-flight radiometric calibration[J]. Remote Sensing Information, 27, 37-41, 83(2012).

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    Yunyun Wang, Yanli Qiao, Yangyu Li, Tengxiao Guo, Fangxiao Cui, Jun Wu, Dacheng Li. Research on Passive Infrared Signal Processing Method Based on Lock-in Amplifier[J]. Acta Optica Sinica, 2021, 41(7): 0712001

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Oct. 9, 2020

    Accepted: Nov. 24, 2020

    Published Online: Apr. 11, 2021

    The Author Email: Li Yangyu (yyli@aiofm.ac.cn), Guo Tengxiao (guotengxiao@sklnbcpc.cn)

    DOI:10.3788/AOS202141.0712001

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