Study of mid-infrared laser jamming effect on reticle-based seekers

Xu-ming Wang; Qi-li Hu; Yan-xin Wang

doi:10.1117/12.2656658

16 December 2022 Study of mid-infrared laser jamming effect on reticle-based seekers

Xu-ming Wang, Qi-li Hu, Yan-xin Wang

Proceedings Volume 12501, Seventeenth National Conference on Laser Technology and Optoelectronics; 125011H (2022) https://doi.org/10.1117/12.2656658
Event: Seventeenth National Conference on Laser Technology and Optoelectronics, 2022, Shanghai, China

Abstract

Reticle-based seekers have significantly advanced for 60 years and widely used in modern warfare as a major threat to the safety of all types of airborne platforms including fighters, helicopters, transport aircraft and even civil aviation. Reticle-based seeker can convert the light signal radiated by the tracking target into a modulated signal carrying target orientation information, and the tracking effect is affected by noise, complex background and various jamming signals. In this paper, we analyze the target location extraction mechanism of typical reticle-based seekers and the dynamic simulation of the process of jamming with reticle-based seeker by mid-infrared laser with different modulation methods is developed using Matlab. The main factors affecting the effectiveness of IR countermeasures is obtained. The results show that the intensity, frequency and phase of the jammer signal have a certain influence on the tracking accuracy of the reticle-based seeker, with the laser power having the greatest influence on the jamming effect of reticle-based seeker. This study provides a theoretical basis for the optimization of operational indicators for infrared laser countermeasures.

Citation Download Citation

Xu-ming Wang, Qi-li Hu, and Yan-xin Wang "Study of mid-infrared laser jamming effect on reticle-based seekers", Proc. SPIE 12501, Seventeenth National Conference on Laser Technology and Optoelectronics, 125011H (16 December 2022); https://doi.org/10.1117/12.2656658

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KEYWORDS

Modulation

Reticles

Signal detection

Imaging infrared seeker

Mid-IR

Missiles

Pulsed laser operation

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