Chin. Phys. B
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Chin. Phys. B  2019, Vol. 28 Issue (3): 030701    DOI: 10.1088/1674-1056/28/3/030701
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An improved arctangent algorithm based on phase-locked loop for heterodyne detection system
Chun-Hui Yan(晏春回)1,2, Ting-Feng Wang(王挺峰)1, Yuan-Yang Li(李远洋)1, Tao Lv(吕韬)1,2, Shi-Song Wu(吴世松)1,2
1 State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China

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