Modern missiles utilize multiple sensors to locate their targets.
This paper describes a project to produce a physically accurate digital simulation of all sensor inputs for the missile's automatic target recognizer in real time, with image quality equal to that of real military sensors. The simulations employed will be as true to the underlying physics of the situation as is possible. HTML Version , Postscript Version with diagrams. Ray-tracing is essential when it is necessary to accurately compute reflection and refraction effects, shadows with penumbrae, and energy transport through participating media. Power Challenge Array.