Ren Jianying, Sun Huayan, Zhang Laixian, Zhao Yanzhong. Space Separated Four-Light Coherent Moving Target Detection Using Polarization Spectroscopy Technology[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3030011
- Laser & Optoelectronics Progress
- Vol. 58, Issue 3, 3030011 (2021)
Fig. 1. Structure diagram of four-light coherent mixing system
Fig. 2. Relationship between frequency and speed of four-light coherent mixing signal
Fig. 3. Structure of space separation type four-light coherent mixing detection
Fig. 4. Signal spectrum output by different detectors at speed of 100 m/s. (a) Detector 1; (b) detector 2; (c) detector 3; (d) detector 4
Fig. 5. Signal spectrum output by different detectors at speed of 1000 m/s. (a) Detector 1; (b) detector 2; (c) detector 3; (d) detector 4
Fig. 6. Signal spectrum output by different detectors at speed of -1000 m/s. (a) Detector 1; (b) detector 2; (c) detector 3; (d) detector 4
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Table 1. Signal frequency of different movement speed
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