Abstract: The paper describes a Real Time InfraRed Scenario Digital Simulator (RTIRS) developed for laboratory test and for performance evaluation of Infrared equipment. The RTIRS is designed for the simulation of complex scenarios consisting of: (1) moving objects (aircraft, vehicles, man made structures and - for airborne applications - ownship platforms); (2) background and clutter; (3) atmosphere; (4) optics, scanner and detector of the Infrared equipment. The RTIRS is designed to interface with: (1) an operator via a graphical user interface for setting the scenarios characteristics; (2) a remote computer generating kinematics data; (3) the Infrared equipment under test. The outputs of these simulations consist of a digital data stream representing the simulated response of the Infrared detector to the scenario. These data are sent to the signal and data processor of the equipment under test with the appropriate format and in real time. The equipment is designed to be used either for imaging systems or tracking systems. !2
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