The M3T process for IRST systems

IRST systems development for aircraft is based on strong theoretical foundations about IR physics, on accurate management of each component and on advanced signal and data processing. Although the expected performance can be analytically estimated using detector and optics data, atmospheric models and algorithms simulations, the check in real environment remains a must for the assessment of system behaviors. In this paper, we propose an IRST product cycle named M3T which guides the system development up to the final desired performance. The process goes from theory and models to the gathering of real data during flight trials, which are used to tune the signal processing routines and test the system from all the angles. The labeling and organisation of recorded data, the calculation of metrics and the design of tools for replicating the real system behavior on ground all contribute to minimize the number of flights necessary to get the requested level of performance. Moreover, the approach described in this paper can be tailored to the user needs, driving to a proactive collaboration between industry and customers.