| Abbreviation | Definition |
|---|---|
| ADEWS | Advanced Distributed Electronic Warfare System |
| ADEWS | Air Defence and Electronic Warfare Systems |
| ADFE | Adaptive Decision Feedback Equalization |
| ADFT | Amplified Dispersive Fourier Transformation |
| ADI | After Development Inspection |
| ADIG | Application Development Interface Guidelines |
| ADIO | Analog/Digital Input/Output |
| ADM | Adaptive Delta Modulation |
| ADMS | Analog Digital and Mixed-Signal |
| ADO | Ampex Digital Optics |
| ADO | Association Distribution Office |
| ADP | Automatic Data Processing |
| ADPCM | Adaptive Differential Pulse Code Modulation |
| ADR | Advanced Digital Recorder |
| ADR | Aperture Direct Readout |
| ADR | Audio Dialog Replacement |
| ADR | Audio Digital Recording |
| ADR | Automatic Dialog Recording |
| ADS | Amplifier Design Service |
| ADSL | Asymmetric Digital Subscriber Line |