The simulation of developing complex systems requires flexibility to allow for changing system requirements and constraints. The object-oriented paradigm provides an environment suitable for establishing flexibility, rapid reconfiguration of new architectures, and integration of new models. This paper outlines the development and application of the Brilliant Eyes Simulator (BESim), sponsored by the United States Air Force Space and Missile Systems Center (SMC). BESim simulates the Space and Missile Tracking System (SMTS), formerly known as Brilliant Eyes, which represents the Low Earth Orbiting component of the Space Based Infrared System (SBIRS-LEO).BESim has powerful pre-and post-processing tools for simulation setup and analysis of results. The pre-processor enables the user to specify system characteristics, output data collection, external data interfaces, and modeling fidelity. The post-processor consists of a graphical user interface which allows easy access to all simulation output in graphical or tabular form. This inclucds two and threedimensional graphical playback of high level performance results.
INTRODUcrroNFlexibility has become increasingly important in the simulation of today's complex military systems. Evolving system requirements and changing budget constraints necessitate flexible simulation tools.Most space-based surveillance concepts consist of distributed processes and resources arranged in an architecture that is not always known a priori. A useful tool idlows the analyst to vary the location of processes and resources to determine the most efficient, cost-effective architecture.This paper describes the development and application of the Brilliant Eyes Simulator (BESim). Brilliant Eyes (BE), also known as the low earth orbiting (LEO) component of the space-based infrared system (SBIRS), is a distributed constellation of satellites which uses infrared and visible sensors to detect and track 205 0-7803-31 96-6/96/$5.00 0 1996 IEEE
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