Compact self-contained enhanced-vision system (EVS) sensor simulator
2007
We describe the model SIM-100 PC-based simulator, for imaging sensors used, or planned for use, in Enhanced Vision
System (EVS) applications. Typically housed in a small-form-factor PC, it can be easily integrated into existing out-the-window
visual simulators for fixed-wing or rotorcraft, to add realistic sensor imagery to the simulator cockpit. Multiple
bands of infrared (short-wave, midwave, extended-midwave and longwave) as well as active millimeter-wave RADAR
systems can all be simulated in real time. Various aspects of physical and electronic image formation and processing in
the sensor are accurately (and optionally) simulated, including sensor random and fixed pattern noise, dead pixels,
blooming, B-C scope transformation (MMWR). The effects of various obscurants (fog, rain, etc.) on the sensor imagery
are faithfully represented and can be selected by an operator remotely and in real-time. The images generated by the
system are ideally suited for many applications, ranging from sensor development engineering tradeoffs (Field Of View,
resolution, etc.), to pilot familiarization and operational training, and certification support. The realistic appearance of
the simulated images goes well beyond that of currently deployed systems, and beyond that required by certification
authorities; this level of realism will become necessary as operational experience with EVS systems grows.
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