INDEX A Aberration: astigmatic, 15, 20, 264, chromatic, 15, 20, 58, 59, 61, 264 distortion, 15, 20, 48, 56 58-60, 71, 72, 80, 130- 132, 146, 149, 213, 264 spherical, 15, 20, 58-60, 264 field curvature, 60 Accommodation, 146, 181 Achromats, 58, 59 Acoustical protection, 13, 26, 185, 187, 219, 220, 222- 225, 230 Active noise reduction (ANR), 220, 222-224, 226, 227, 230, 231, Acuity (see Visual acuity) Advanced helicopter pilotage (AHP), 7 Aircraft retained unit (ARU), 5, 138, 139 Aircrew integrated helmet system (AIHS), 7, 39 Aspect ratio, 102, 262 Armed forces vision tester (AFVT), 175-177 Aviation life support equipment (ALSE), 236, 237, 249, 251 Aviator’s night vision imaging system (ANVIS), 3, 4, 22, 24, 26, 27, 36, 56-58, 61, 68, 73, 79, 85, 89, 93, 103, 121, 123, 130-132, 134, 135, 138, 140, 143, 146, 151, 176, 177, 181, 186, 202, 214, 240-244, 250, 252 B Bandwidth, 34, 38, 102, 120, 124, 262 Beamsplitter (see Combiner) Biocular displays, 5, 7, 20- 21, 132, 138, 143, 145- 148, 243, 247 Binocular: alignment, 68, 71, 146- 149,181, 236, 237 displays, 21, 22, 26, 84, 132, 134, 136-139, 143- 147,176-178,181, 240, 243 overlap, 7, 22, 26, 132, 134, 136, 137, 143, 145, 149, 150, 151, 264 rivalry, 150, 180 Boresight 241, 265 Brain actuated control, 85, Brightness (see Luminance) 283
284 Index Breakaway force (see Frangibility) Brown eye syndrome, 153 C Cathode ray tubes (CRT): contrast, 34, 36-38, display, 4, 5, 11, 22, 27, 202, 239 figure of merit (FOM): electronic, 262 geometric, 262 photometric, 262 image quality, 33, 34, 38, 101-103, 120, 242, 263 luminance, 34-37, 102 modulation contrast, 38, 104,105,107, 108, 119, 124, 127-130, 172 operating characteristics, 35, 237, 239, 263 phosphors, 34, 36-37, 75 114, 127 resolution, 24, 34, 38, 60, 120, 262, 264 spot size, 34, 35, 38, 262 Center of mass (CM), 13, 20, 24, 26, 183, 184, 185-187, 189-191, 193-196, 211, 239 Chromaticity, 15, 103, 115- 116, 264 Cockpit display emission, 264 Color (also see Chromatic): discrimination, 20, 115, 119 versus monochrome, 41, 114, 151-152 Comanche (RAH-66), 5, 6, 21, 39, 120, 138, 247- 249 Combiners, 22, 24, 27, 116, 133, 143, 165, 241 dichroic, 27, 75 holographic, 24, 75, 78, partially silvered, 75 Comfort/Discomfort, 13, 135, 180, 181, 187, 188, 204- 206, 208, 211, 222, 228- 230, 247-249, 264, 265 Communications earplug (CEP), 220-223, 226-231 Contrast: color, 44, 45, 49, 103,114- 116, 119, 152, 171 grey levels, 102, 103, 111, 127, 129 just noticeable difference (jnd), 110, 171 luminance, 102-118, 140 target, 104-107, 114, 118,165, 170, 172 background, 104-107, 213 modulation, 104-108, 119, 126-128, 130, 126-128, 172 pixel, 103, 112-114, 133, 152 range, 15, 36, 48, 105,
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Biodynamics 215 Desert Shield/Deser
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