The Flare Detection in the Two Color Crossed Array Detectors Infrared Seeker

Abstract

One of the important parts of the infrared seeker is the counter countermeasure part. Seeking in a field of view with the existence of jammers is not simple and needs effective algorithms. In this paper, several methods of the detection in a crossed array trachers (CAT) seeker will be designed, simulated and evaluated. These methods depend on detecting the appearance of the flare using analzing the two channels signals.

Design and Simulation a New Unique-Slit Reticle for Pulsed Infrared Seekers

“…Design and Simulation a New Unique-Slit Reticle for Pulsed Infrared Seekers -Sair AlcekhYasin et al The static gain (SG) function is defined as: (8) And the radius error function: (9) So the goal of our design is putting an effective slit pattern function for which the radius error is minimum. In other words, the pattern function has to make the SG function linear on all the reticle area.…”

“…The system is a stationary reticle seeker type which employs a fixed reticle, with radius Ra and N=4 transparent slits, and a slightly tilted rotating mirror or lens (with spinning frequency fm) to sweep the target image spot (TIS) along a circular path on the reticle target imaging circle (TIC) with constant radius (RN) [6][7][8]. The distance of the non-concentric TIC center and its phase relatively to the reticle center define the position of the target in the FOV, as shown in Fig.…”