| 2LE |
2-Line Element (also TLE) |
| 3LE |
3-Line Element (also TLE) |
| |
|
| AAW |
Anti Air Warfare |
| ABF |
Adaptive Beamforming |
| AEGIS |
Advanced Electronic Guidance and Instrumentation System |
| AESA |
Active Electronically Scanned Array |
| AoA |
Angle of Attack (also Angle of Arrival) |
| AeW |
Airborne Early Warning |
| AMTI |
Airborne Moving Target Indication |
| APAR |
Active Phased Array Radar |
| APC |
Armored Personnel Carrier |
| ASDE |
Airport Surface Detection Equipment (radar) |
| ASR |
Airport Surveillance Radar |
| ASW |
Anti Submarine Warfare |
| ATCRBS |
Air Traffic Control Radar Beacon System |
| ATIS |
Automated Terminal Information System |
| ATR |
Automatic Target Recognition |
| AWACS |
Airborne Warning and Control System |
| AWOS |
Automated Weather Observation System |
| ADS-B |
Automatic Dependent Surveillance-Broadcast system |
| |
TOP |
| BTR |
Bearing Time Record |
| |
TOP |
| CAPPI |
Constant Altitude PPI |
| CBF |
Conventional Beamforming |
| CCSDS |
Consultative Committee for Space Data Systems |
| CFAR |
Constant FAR
|
| CFDS |
CCSDS File Delivery Protocol
(file transfer between Earth and orbiting space based satellites, telescopes etc.)
|
| CNR |
Clutter to Noise Ratio (Radar) |
| CVS |
Combined Vision Systems
(related terms EVS,
SVS)
|
| |
TOP |
| DARPA |
Defense Advanced Research Projects Agency |
| DBF |
Digital Beamforming |
| DCP |
Data Collection Platform (bouy, free-floating balloons, remote weather stations etc.) |
| DDN |
Defense Data Network |
| DECM |
Defensive Electronic Counter Measures |
| DISA |
Defense Information Systems Agency (previously know as
DNSO)
|
| DME |
Distance Measuring Equipment (GPS) |
| DoA |
Direction of Arrival (signal) |
| DoD |
Department of Defense (USA) |
| DPCA |
Displaced Phase Center Antenna |
| DSCS |
Defense Satellite Communications System |
| DSN |
Deep Space Network |
| |
TOP |
| ECCM |
Electronic Counter-Counter Measures |
| ECM |
Electronic Counter Measures |
| ECW |
Electronic Control Weapon |
| EESS |
Earth Exploration-Satellite Service |
| EFVS |
Enhanced Flight Vision System |
| EGM |
Earth Gravitational Model |
| ELB |
Emergency Locator Beacon |
| ELT |
Emergency Locator Transmitter |
| EPFS |
Electronic Position Fixing System |
| EPIRB |
Emergency Position-Indicating Radio Beacon |
| ESVS |
Enhanced SVS |
| EVS |
Enhanced Vision Systems
(related terms CVS,
SVS)
|
| |
TOP |
| FAR |
False Alarm Rate
(radar) |
| |
FAR = (false targets per PRT)/(Number of range cells) |
| FFP |
Far-Field Pattern (antenna design) |
| FFP |
Full Field Processing |
| FLIR |
Forward-Looking Infra-Red |
| FoV |
Field of View |
| FRB |
Fast Radio Burst |
| |
TOP |
| GEO |
Geostationary Earth Orbit
(communication satellites at orbit distance of about 35,651 km above equator) |
| GEOS |
Geostationary Earth Orbit Satellite |
| GIG |
Global Information Grid (a DoD network) |
| GMDSS |
Global Maritime Distress and Safety System (IMO) |
| GOES |
Geostationary Operational Environment Satellite |
| GPS |
Global Positioning System/Satellite |
| |
TOP |
| HEL |
High Energy Laser |
| HELIOS |
High-Energy Laser with Integrated Optical-dazzler and Surveillance |
| HEMP |
High altitude Electromagnetic Pulse |
| HEMP |
High energy Electromagnetic Pulse |
| HMD |
Head/Helmet Mounted Display (night-vision, camera, etc.) |
| HMSD |
Helmet Mounted Sight and Display |
| HPM |
High Power
Microwave |
| HPTR |
High Probability Tracking Radar |
| HRPT |
High Resolution Picture Transmission (satellite aerial photography) |
| |
TOP |
| IBF |
Inverse Beamforming |
| IFF |
Identification of Friend or Foe
(military/civilian - aircraft identification used in a
radar
) |
| IFOG |
Interferometric Fiber Optic Gyroscope |
| IFR |
Instrument Flight Rules (Visual - VFR) |
| IMO |
International Maritime Organization |
| INMARSAT |
International Maritime Satellite Organization |
| INS |
Inertial Navigation Systems |
| ISS |
International Space Station |
| ISS |
Inter-satellite Service |
| |
TOP |
| JWICS |
Joint Worldwide Intelligence Communications System (DoD) |
| |
TOP |
| LANTRIN |
Low Altitude Navigation and Targeting Infrared for Night |
| LBT |
Low Band Tramsmitter |
| LEO |
Low Earth Orbit (communication satellites at orbit distance of about 400 to 2,000 KM above earth) |
| LORAN |
Long Range Navigation |
| LWIR |
Long Wave Infra-Red |
| |
TOP |
| MEO |
Medium Earth Orbit (communication satellites at orbit distance of about 8,000 to 16,000 KM above earth) |
| MGRS |
Military Grid Reference System (US military; designed for use with
UPS and
UTM)
|
| MNR |
Multiplicative Noise Ratio (radar) |
| MTD |
Moving Target Detection (radar) |
| MTI |
Moving Target Indicator (on radar) |
| MTT |
Multi Traget Tracking (
Single - STT) |
| MVDR |
Minimum Variance Distortionless Response |
| |
TOP |
| NASA |
National Aeronautics and Space Administration (USA) |
| NDB |
Non-Directional Becon (radio transmitter) |
| NEAR |
Near Earth Asteroid Rendezvous |
| NEO |
Near Earth Object |
| NEXRAD |
Next-Generation Doppler Radar |
| NFP |
Near-Field Pattern (antenna design) |
| NIPRNet |
Non-Classified Internet Protocol Router Network (DoD; secret SIPRNet) |
| NPOESS |
National Polar Orbiting Environment Satellite System |
| NVD |
Night Vision Device (goggles) |
| NVG |
Night Vision Goggles |
| |
TOP |
| OCXO |
Oven-Controlled Crystal Oscillator |
| OT&E |
Operational Test & Evaluation (DoD process) |
| |
TOP |
| PESA |
Passive Electronically Scanned Array |
| PLB |
Personal Locator Beacon |
| POES |
Polar-Orbiting Meteorological Satellite |
| PPI |
Plan Position Indicator (a type of radar display) |
| PRF |
Pulse Repetition Frequency (radar) |
| PRT |
Pulse Repetition Time (PRT = 1/PRF) |
| |
TOP |
| RACON |
Radar Beacon |
| RDF |
Radio Direction Finder |
| RFOG |
Resonator Fiber Optic Gyroscope |
| RHAW |
Radar Homing and Warning |
| RLG |
Ring Laser Gyroscope |
| |
TOP |
| SAR |
Search and rescue |
| SAR |
Synthetic Aperture Radar |
| SARSAT |
Search and Rescue Satellite |
| SAS |
Synthetic Aperture Sonar |
| SBR |
Space Based Radar |
| SDO |
Solar Dynamics Observatory |
| SETI |
Search for ExtraTerrestrial Intelligence |
| SIPRNet |
Secret Internet Protocol Router Network (DoD; Non-classified NIPRNet) |
| SGLS |
Satellite Ground Link Subsystem |
| SLAR |
Side Looking Airborne Radar |
| SSR |
Secondary Surveillance Radar |
| STACSAR |
Small Tactical Synthetic Aperture Radar |
| STOL |
Short Take-Off and Landing aircraft |
| STT |
Single Traget Tracking (
Multi - MTT) |
| SVS |
Synthetic Vision System
(related terms CVS,
EVS) |
| |
SVS: based on computer vision and
AI to generate 3D view of terrain in aircrafts |
| |
TOP |
| TACAN |
Tactical Air Navigation |
| TDRSS |
Tracking and Data Relay Satellite System |
| TESAR |
Tactical Endurance Radar |
| TFR |
Terrain-Following Radar |
| TT&C |
Tracking, Telemetry, and Command |
| |
TOP |
| UAP |
Unidentified Aerial Phenomena |
| UAT |
Universal Access Transceiver |
| UAV |
Unmanned Aerial Vehicle (drone) |
| UESA |
UHF Electronically Scanned Array |
| UFO |
Unidentified Flying Object |
| USAT |
Ultra Small Aperture Terminal |
| |
TOP |
| VFR |
Visual Flight Rules (Instrument - IFR) |
| VIMS |
Visible and Infrared Mapping Spectrometer |
| VOR |
VHF Omnidirectional Range |
| VSAT |
Very Small Aperture Terminal |
| VTOL |
Vertical Take-Off and Landing aircraft |
| |
TOP |
| WAAS |
Wide Area Augmentation System (GPS) |
| WGS |
Wideband Gapfiller Satellite |
| WGS |
World Geodetic System (WGS84 - WGS 1984 is reference coordinate system used by
GPS) |
| WMM |
World Magnetic Model |