Qigong He, Xiaodong Jia. Target detection technique of laser and millimeter wave dual-mode fused proximity detection[J]. Infrared and Laser Engineering, 2021, 50(7): 20200361
- Infrared and Laser Engineering
- Vol. 50, Issue 7, 20200361 (2021)
Fig. 1. Principle of triangular frequency modulation continuous wave ranging
Fig. 2. Laser/millimeter wave composite detection system model
Fig. 3. Schematic diagram of emission control sequence of laser/millimeter wave composite detection
Fig. 4. Schematic diagram of detection field of view distribution of laser/millimeter wave composite detection system
Fig. 5. Schematic diagram of AD acquisition and pre-storage model
Fig. 6. Processing flow diagram of laser detection echo signal
Fig. 7. Processing flow diagram of millimeter wave echo signal
Fig. 8. Flow diagram of fusion decision
Fig. 9. Matrix distribution diagram of simulation target distance and velocity
Fig. 10. Schematic diagram of range spectrum in up and down sweep frequency band of echo beat signal of target in single cycle
Fig. 11. Distribution diagram of range velocity matrix of the range spectrum solution in the up and down sweep frequency bands
Fig. 12. Schematic diagram of target echo signal collected by laser detection system
Fig. 13. Energy variation curves of laser echo at different distances
Fig. 14. Schematic diagram of laser ranging accuracy at different distances
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