Researching | Research of Phase-Sensitive-Detection Algorithm Based on Adaptive Filtering

Laser & Optoelectronics Progress, Volume. 59, Issue 1, 0112003(2022)

Research of Phase-Sensitive-Detection Algorithm Based on Adaptive Filtering

Ming Lei^1,2,3, Zhihui Feng^1,2,3、*, Yaming Nan^1,2,3, and Tian Feng^1,2,3

Author Affiliations

¹Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³Key Laboratory of Science and Technology on Space Optoelectronic Precision Measurement, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China

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Figures & Tables(6)

Fig. 1. Diagram of the coordinate system

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Fig. 2. Relationship between $θ$ and the DWS signal

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Fig. 3. Structure of the digital phase-locked demodulator with Kalman filter

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Fig. 4. MSE of phase discrimination of Kalman filtering

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Fig. 5. MSE of phase discrimination of adaptive Kalman filtering

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Fig. 6. Probability distribution of misalignment detection. (a) Results of Kalman filtering; (b) results of adaptive Kalman filtering

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Ming Lei, Zhihui Feng, Yaming Nan, Tian Feng. Research of Phase-Sensitive-Detection Algorithm Based on Adaptive Filtering[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0112003

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Jan. 21, 2021

Accepted: Apr. 28, 2021

Published Online: Dec. 23, 2021

The Author Email: Feng Zhihui (fengzh@ioe.ac.cn)

DOI:10.3788/LOP202259.0112003

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology