Abbreviations/Acronyms: A

American Society for Testing and Materials

active-matrix liquid crystal display

absolute (kelvin degrees), absorption, acoustic, alpha particle, analog, anode, ampere, amplitude, area, atomic, atomic mass, Helmholtz free energy, mass number, nucleon number

acousto-optic

American Astronomical Society

absorbance; acrylonitrile butadiene styrene

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

attitude heading and reference system

American Institute of Aeronautics and Astronautics

American Institute of Chemical Engineers

American Institute of Electrical Engineers

American Institute of Physics

automatic image retrieval system

acoustic imaging system

adaptive learning image analysis system

American National Standards Institute

aviator's night vision imaging system

acousto-optic beam deflector

acousto-optic deflector

area of interest; automatic optical inspection

acousto-optic modulator

acousto-optic tunable filter

active pixel sensor; active pixel system; Advanced Photon Source; American Physical Society; atom probe spectroscopy; autocorrelated photon spectroscopy

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

American Standard Code for Information Interchange

automatic spectrum display and signal recognition system

American Standards Institute

American Science Information Institute

automatic system for kinematic analysis

American Society for Nondestructive Testing

advanced tactical air reconnaissance system

automatic test and evaluation

automatic tracking laser illumination system

acceptance test plan; Advanced Technology Plan

acoustic traveling wave lens

angstrom unit; astronomical unit

acoustic video processor integrated display station

advanced x-ray astrophysics facility