Abstract
Detection of gunshots is a challenging mission which has many different engineering and sensing approaches. In this paper, we describe the system performance model for gun muzzle detection systems which are based either on complementary metal–oxide–semiconductor (CMOS) image sensors or on CMOS (as well as non-CMOS-based) single-photon avalanche diode image sensors. The principle of detection which was explored in this paper is based on the emission of photons from alkali atoms which are found in the projectiles’ gunpowder. This paper describes the model of electro-optical performance and its sensitivities to its various parameters. This paper also describes how the model may be used to derive requirements for the system’s optical design. This paper ends with a description of the model’s experimental validation, which reassures its correctness and applicability.
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