Fig. 1. Schematic of optics(left) and reticle(right) of a pulse modulated infrared seeker
Fig. 2. Schematic of a target on the rotating reticle
Fig. 3. Target signal generated from the model
Fig. 4. Block diagram of a pulse modulated infrared seeker model
Fig. 5. Coordinate system used in the simulation
Fig. 6. Track error simulation for a static target
Fig. 7. Track error simulation for a dynamic target
Fig. 8. Beam spot model for an optical system with ideal surface roughness
Fig. 9. Beam spot model for an optical system with practical surface roughness
Fig. 10. Beam spot distribution prediction due to scattering for different surface roughnesses
Fig. 11. Notion of how a target signal and a laser signal are acquired as the reticle phase varies
Fig. 12. Notion of how a target signal and a laser signal are acquired as error angle varies
Fig. 13. 3D power distribution of laser beam received on the detector through the slit as the reticle rotates and the laser beam moves along the +y axis
Fig. 14. JSRd prediction for different scattering models as the laser beam moves along the +y axis and the reticle phase remains at 180 deg
Fig. 15. Signal received for lower scattering case during the initial moment of jamming
Fig. 16. Error angle variation for lower scattering case during the initial moment of jamming
Fig. 17. Signal received for higher scattering case during the initial moment of jamming
Fig. 18. Error angle variation for higher scattering case during the initial moment of jamming
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