RADAR – Radio Detection and Ranging
DRFM – Digital Radio Frequency Memory
EMR – Electromagnetic Radiation
MTI – Moving Target Indication
RDF – Radio Direction Finding
ESA – Electronically Scanned Array
CSR – Coastal Surveillance Radar
EPM – Electronic Protective Measures
TDWR – Terminal Doppler Weather Radar
GPS – Global Positioning System
DBS – Doppler Beam Sharpening
WSR – Weather Surveillance Radar
InSAR – Interferometric Synthetic Aperture Radar
ECM – Electronic Countermeasure
GEOSAR – Geostationary Synthetic Aperture Radar
IFF – Identification, Friend or Foe
TCR – tactical Control Radar
MSSR – Monopulse Secondary Surveillance Radar
AAS – Advanced Airborne Sensor
RADAM – Radar Detection of Agitated Metals
HAR – Harbor Advisory Radar
EWR – Early Warning Radar
GMTI – Ground Moving Target Indication
MTD – Moving Target Detector
DWR – Doppler Weather Radar
CWDR – Continuous Wave Doppler Radar
AEW&C – Airborne Early Warning and Control
PDS – Passive Detection System
ERP – Effective Radiated Power
LSRS – Littoral Surveillance Radar System
COMINT – Communications Intelligence
MAW – Missile Approach Warning system
PPI – Plan Position Indicator
RDC – Radar Data Compression
RDD – Radar Data Decompression
VTS – Vessel Traffic Service
ATC – Air Traffic Control
SNR – Signal to Noise Ratio
SINR – Signal to Interference plus Noise Ratio
SNIR – Signal to Noise plus Interference Ratio
RCS – Radar Cross-section
ATR – Automatic Target Recognition
PAR – Phased Array Radar
RADAN – Radar Doppler Automatic Navigation
SID – Sudden Ionospheric Disturbance
RAM – Radiation Absorbent Material
TWS – Track While Scan
ISAR – Inverse Synthetic Aperture Radar
LPIR – Low Probability of Intercept Radar
TRP – Target Ranging Radar
