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30 July 1998 Analysis of the spinning CAR reticle seeker and an effective counter-countermeasure algorithm
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Abstract
This paper presents a dynamic simulation loop that gives tracking results of 2-color concentric annular ring (CAR) reticle seeker. Our simulation tool includes the target/flare model and a proportional navigation guidance loop. The CAR reticle system performance and the flare effects are analyzed in various cases. When a flare is presented in the field of view (FOV), the simulation results show that the reticle seeker cannot keep a precise target tracking. In this paper, we propose a 2-color counter- countermeasure using the least mean square method to cope with a presence of IR flare. The proposed method makes a simultaneous process in two IR wavelength bands: (i) the modulation output in FWIR, (ii) the output in MWIR. The simulation result have shown that our adaptive IRCCM algorithm achieves an effective cancellation of the flare signal with a relatively high intensity.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
HyunKi Hong, SurngGabb Jahng, Sung-Hyun Han, and Jong Soo Choi "Analysis of the spinning CAR reticle seeker and an effective counter-countermeasure algorithm", Proc. SPIE 3365, Acquisition, Tracking, and Pointing XII, (30 July 1998); https://doi.org/10.1117/12.317508
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