• Infrared and Laser Engineering
  • Vol. 49, Issue 4, 0403006 (2020)
Fengjie Wang, Ximin Liu, and Changping Lu
Author Affiliations
  • Shanghai Radio Equipment Research Institute, Shanghai 201109, China
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    DOI: 10.3788/IRLA202049.0403006 Cite this Article
    Fengjie Wang, Ximin Liu, Changping Lu. Study on echo characteristics of coherent laser fuze in cloud and fog[J]. Infrared and Laser Engineering, 2020, 49(4): 0403006 Copy Citation Text show less
    Schematic diagram of coherent laser fuze
    Fig. 1. Schematic diagram of coherent laser fuze
    Schematic diagram of simulation scene when the fuze is inside cloud and fog
    Fig. 2. Schematic diagram of simulation scene when the fuze is inside cloud and fog
    Schematic diagram of simulation scene when the fuze is outside cloud and fog
    Fig. 4. Schematic diagram of simulation scene when the fuze is outside cloud and fog
    Relationship between target Doppler shift and detection angle
    Fig. 6. Relationship between target Doppler shift and detection angle
    Simulation parametersValueSimulation parametersValue
    Dip angle of fuze/(°)60Laser wavelength/nm1 550
    Laser divergence angle/mrad5Receiving field angle/mrad21
    Visibility of cloud and fog/m10, 30 50, 80Optical lens diameter/mm25.4
    Particle diameter of cloud and fog/μm0.1–50Speed of cloud and fog/m•s–120
    Complex index of refraction1.317–8.55×10–5iTarget distance/m5
    Target reflectivity0.3Target speed/m•s–1340
    Table 1. Main parameters of model when the fuze is located cloud and fog
    Fengjie Wang, Ximin Liu, Changping Lu. Study on echo characteristics of coherent laser fuze in cloud and fog[J]. Infrared and Laser Engineering, 2020, 49(4): 0403006
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