Abbreviations/Acronyms: A

automatic image retrieval system

active swept frequency interferometer radar

The ABg model or Harvey-Shack is a method of describing bidirectional scattering from isotropic or polished surfaces.

adaptive differential pulse code modulation; varies the binary step interval for the required bandwidth for a given signal-to-noise ratio.

Air Force Office of Scientific Research

airborne intelligent display; area imaging device

airborne laser fluorosensor

active matrix; air mass; amplitude modulation

Abbe refractometer; acoustic radiometer; acoustic resonance; active region; alpha ray; amplitude ratio; antireflective; aperture ratio; applied research; argon; aspect ratio; atomic reactor; augmented reality

antiradiation missile

antiresonant reflecting optical waveguide

application-specific integrated circuit

advanced tactical air reconnaissance system

American wire gauge;arrayed waveguide grating