Division ACRONYMS AND ABBREVIATIONS USED IN THIS ANNEX
United Kingdom
An acronym or abbreviation, when used as a defined term, will be found in 'Definitions of Terms used in this Annex".
| Acronym or abbreviation | Meaning |
|---|---|
| ABEC | Annular Bearing Engineers Committee |
| AGMA | American Gear Manufacturers' Association |
| AHRS | attitude and heading reference systems |
| AISI | American Iron and Steel Institute |
| ALU | arithmetic logic unit |
| ANSI | American National Standards Institute |
| ASTM | the American Society for Testing and Materials |
| ATC | air traffic control |
| AVLIS | atomic vapour laser isotope separation |
| CAD | computer-aided-design |
| CAS | Chemical Abstracts Service |
| CCITT | International Telegraph and Telephone Consultative Committee |
| CDU | control and display unit |
| CEP | circular error probable |
| CNTD | controlled nucleation thermal deposition |
| CRISLA | chemical reaction by isotope selective laser activation |
| CVD | chemical vapour deposition |
| CW | chemical warfare |
| CW (for lasers) | continuous wave |
| DME | distance measuring equipment |
| DS | directionally solidified |
| EB-PVD | electron beam physical vapour deposition |
| EBU | European Broadcasting Union |
| ECM | electro-chemical machining |
| ECR | electron cyclotron resonance |
| EDM | electrical discharge machines |
| EEPROMS | electrically erasable programmable read only memory |
| EIA | Electronic Industries Association |
| EMC | electromagnetic compatibility |
| ETSI | European Telecommunications Standards Institute |
| FFT | Fast Fourier Transform |
| GLONASS | global navigation satellite system |
| GPS | global positioning system |
| HBT | hetero-bipolar transistors |
| HDDR | high density digital recording |
| HEMT | high electron mobility transistors |
| ICAO | International Civil Aviation Organisation |
| IEC | International Electro-technical Commission |
| IEEE | Institute of Electrical and Electronic Engineers |
| IFOV | instantaneous-field-of-view |
| ILS | instrument landing system |
| IRIG | inter-range instrumentation group |
| ISAR | inverse synthetic aperture radar |
| ISO | International Organization for Standardization |
| ITU | International Telecommunication Union |
| JIS | Japanese Industrial Standard |
| JT | Joule-Thomson |
| LIDAR | light detection and ranging |
| LRU | line replaceable unit |
| MAC | message authentication code |
| Mach | ratio of speed of an object to speed of sound (after Ernst Mach) |
| MLIS | molecular laser isotopic separation |
| MLS | microwave landing systems |
| MOCVD | metal organic chemical vapour deposition |
| MRI | magnetic resonance imaging |
| MTBF | mean-time-between-failures |
| Mtops | million theoretical operations per second |
| MTTF | mean-time-to-failure |
| NBC | Nuclear, Biological and Chemical |
| NDT | non-destructive test |
| PAR | precision approach radar |
| PIN | personal identification number |
| ppm | parts per million |
| PSD | power spectral density |
| QAM | quadrature-amplitude-modulation |
| RF | radio frequency |
| SACMA | Suppliers of Advanced Composite Materials Association |
| SAR | synthetic aperture radar |
| SC | single crystal |
| SLAR | sidelooking airborne radar |
| SMPTE | Society of Motion Picture and Television Engineers |
| SRA | shop replaceable assembly |
| SRAM | static random access memory |
| SRM | SACMA Recommended Methods |
| SSB | single sideband |
| SSR | secondary surveillance radar |
| TCSEC | trusted computer system evaluation criteria |
| TIR | total indicated reading |
| UV | ultraviolet |
| UTS | ultimate tensile strength |
| VOR | very high frequency omni-directional range |
| YAG | yttrium/aluminium garnet |