abbrev.tex

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\begin{acronym}[\acrofirstcolwidth]\itemsep=\abbrevitemssep
\acro{1-D}{One-Dimensional}
\acro{1D}{One-Dimensional}
\acro{2-D}{Two-Dimensional}
\acro{2D}{Two-Dimensional}
\acro{3-D}{Three-Dimensional}
\acro{3D}{Three-Dimensional}
\acro{6-DOF}{Six Degrees of Freedom}
\acro{6DOF}{Six Degrees of Freedom}
\acro{a-Si}{Amorphous Silicon}
\acro{A2D}{Analogue to Digital}
\acro{AA}{Air-to-Air}
\acro{AAM}{Air-to-Air Missile}
\acro{AASRAM}{Air-to-Air Short Range Missile}
\acro{ABF}{Absolute Bloody Final}
\acro{ABL}{Airborne Laser}
\acro{AC}{Alternating Current}
\acro{ACE}{Adaptive Communication Environment}
\acro{AD}{Analogue to Digital (conversion)}
\acro{ADAS}{Advanced Driver Assistance System}
\acro{ADC}{Analogue to Digital Converter}
\acro{AFB}{Air Force Base}
\acro{AFCCC}{Air Force Combat Climatology Center}
\acro{AFCRL}{Air Force Cambridge Research Laboratories}
\acro{AFGL}{Air Force Geophysics Laboratories}
\acro{AFRL}{Air Force Research Laboratories}
\acro{AGC}{Automatic Gain Control}
\acro{AGL}{Above Ground Level}
\acro{AGT}{Atmosphere Generator Toolkit}
\acro{AHP}{Analytical Hierarchy Process}
\acro{AI}{Artificial Intelligence}
\acro{AIM}{Air Intercept Missile}
\acro{AIRS}{Atmospheric Infrared Sounder}
\acro{ALG}{Atmospheric Look-up Table Generator}
\acro{AM}{Amplitude Modulation}
\acro{AMBBB}{Ambient Temperature Blackbody}
\acro{AMRAAM}{Advanced Medium Range Air-to-Air Missile}
\acro{ANSI}{American National Standards Institute}
\acro{AoI}{Angle of Incidence}
\acro{AOT}{Aerosol Optical Thickness}
\acro{AppEEARS}{Application for Extracting and Exploring Analysis Ready Samples}
\acro{API}{Application Programming Interface}
\acro{APU}{Auxiliary Power Unit}
\acro{ARLBED}{Army Research Laboratory Battlefield Environment Directorate}
\acro{ARUSS} {AeRosol User Supplied Spectra}
\acro{ASCII}{American Standard Code for Information Interchange}
\acro{ASIC}{Application Specific Integrated Circuit}
\acro{ASL}{Above Sea Level}
\acro{ASOS}{Automated Surface Observing System}
\acro{ASRAAM}{Advanced Short Range Air-to-Air Missile}
\acro{ASTER}{Advanced Spaceborne Thermal Emission and Reflection Radiometer}
\acro{ASTGTM}{ASTER Global Digital Elevation Model}
\acro{ASU}{Air Support Unit}
\acro{AT}{Auto Tracker}
\acro{ATBD}{Algorithm Theoretical Basis Document}
\acro{ATC}{Air Traffic Control}
\acro{ATK}{Aerosol toolkit}
\acro{ATP}{Acceptance Test Procedure}
\acro{ATRept}[ATR]{Acceptance Test Report}
\acro{ATR}[ATR]{Automatic Target Recognition}
\acro{ATS}{Advanced Thermographic Systems}
\acro{AU}{Astronomical Unit}
\acro{AVI}{Audio Video Interleave}
\acro{AWN}{Automated Weather Network}
\acro{AWOS}{Automated Weather Observing System}
\acro{BAe}{British Aerospace}
\acro{BB}{Black Body}
\acro{BCU}{Battery Coolant Unit}
\acro{BDI}{Buffered Direct Injection}
\acro{BDRF}{Bidirectional Reflection Function}
\acro{BFS}{Bomem File System}
\acro{BGRAMS}{Bomem Grams a software product}
\acro{BGT}{Bodenseewerk Ger\"atetechnik Gmbh}
\acro{BH}{I/O Bulkhead input/output}
\acro{BIH}{Bureau International de l'Heure}
\acro{BIT}{Built-in Test}
\acro{BLT}{Bilinear Transformation}
\acro{BNC}{Bayonet Neill-Concelman}
\acro{BP}{Blue Test Point}
\acro{BPDF}{Bidirectional Polarization Distribution Functions}
\acro{BPR}{Bad Pixel Replacement}
\acro{BRDF}{Bidirectional Reflectance Distribution Function}
\acro{BSD}{Berkeley Source Distribution}
\acro{BSP}{Binary Space Partitions}
\acro{BVR}{Beyond Visual Range}
\acro{C2}[C$^2$]{Command and Control}
\acro{C3}[C$^3$]{Command,  Control and Communication}
\acro{C3ISTAR}[C$^3$ISTAR]{Command, Control, Communications, Intelligence, Surveillance, Target Acquisition and Reconnaissance}
\acro{C3S}{Copernicus Climate Change Service}
\acro{C4I3RS}[C$^4$I$^3$RS]{Command, Control, Communication, Computers, Information, Intelligence, Informatics, Reconnaissance and Surveillance}
\acro{CAD}{Computer Aided Design}
\acro{CAE}{Canadian Aviation Electronics}
\acro{CAMEO-SIM}{CAMoflauge Electro-Optic Simulator}
\acro{CAT}{Computed Axial Tomography}
\acro{CAVOK}{Ceiling and Visibility OK}
\acro{CCD}{Charge Coupled Device}
\acro{CCIR}{Comite Consultatif International des Radio Communications}
\acro{CCM}{Counter-countermeasure}
\acro{CD}{Compact Disk}
\acro{CDB}{Common Database Standard}
\acro{CDMP}{Certified Data Management Professional }
\acro{CDS}{Correlated Double Sampling}
\acro{CDSD}{Carbon Dioxide Spectroscopic Database}
\acro{CEDIP}{Name of the camera manufacturer}
\acro{CFAR}{Constant False Alarm Rate}
\acro{CFD}{Computational Fluid Dynamics}
\acro{CFI}{Customer Furnished Information}
\acro{CHIMES}{Cranfield Hyperspectral Image Modelling and Evaluation System}
\acro{CIE}{International Commission on Illumination}
\acro{CIGI}{Common Image Generator Interface}
\acro{CML}{Configurable Math Library}
\acro{CMOS}{Complementary Metal Oxide Semiconductor}
\acro{CMS}{Classified MicroSeek}
\acro{CmSim}{Countermeasure Simulator (version 1)}
\acro{CmSim2}{Countermeasure Simulator (version 2)}
\acro{CMT}{Cadmium Mercury Telluride}
\acro{CnC}{Command and Control}
\acro{CNES}{Centre National d'Etudes Spatiales, France}
\acro{CNR}{Clutter-to-noise ratio}
\acro{CNUC}{Continuous Non-Uniformity Correction}
\acro{CO$_2$}{Carbon Dioxide}
\acro{CODATA}{Committee on Data for Science and Technology}
\acro{COG}{Cloud Optimized GeoTIFF}
\acro{COM}{Common Object Model}
\acro{COMBIC}{Combined Obscuration Model for Battlefield Contaminants}
\acro{ConOps}{Concept of Operations}
\acro{CORBA}{Common Object Request Broker Architecture}
\acro{COTS}{Commercial off-the-Shelf}
\acro{CPDFn}[CPDF]{Cumulative Probability Density Function}
\acro{CPU}{Central Processing Unit}
\acro{CRN}{Climate Reference Network}
\acro{CRS}{Coordinate Reference System}
\acro{CSCI}{Computer Software Configuration Item}
\acro{CSIR}{Council for Scientific and Industrial Research}
\acro{css}{cascading style sheet}
\acro{CSV}[CSV]{Comma Separated Variable}
\acro{csv}[CSV]{comma-separated-values}
\acro{CTAN}{Comprehensive TeX Archive Network}
\acro{CTF} {Contrast Transfer Function}
\acro{CTP} {Conventional Terrestrial Pole}
\acro{CTIA} {Capacitive Transimpedance Amplifiers}
\acro{CUDA}{Compute Unified Device Architecture}
\acro{CVD}{Chemical vapour deposition}
\acro{CVS}{Concurrent Versions System}
\acro{DARPA}{Defense Advanced Research Projects Agency}
\acro{DAS}{Denel Aerospace }
\acro{DC}{Direct Current}
\acro{DCM}{Direction Cosine Matrix}
\acro{DCS}{Direct Current Subtraction}
\acro{DD}{Denel Dynamics}
\acro{DEM}{Digital Elevation Model}
\acro{DEMS}{Digital Elevation Maps}
\acro{DFPN}{Dark current Fixed Pattern Noise}
\acro{DFT} {Discrete Fourier Transform}
\acro{DGA}{Direction Generale de l'Armement}
\acro{DI}{Direct Injection}
\acro{DIRCM}{Directed Infrared Countermeasure}
\acro{DIRSIG}{Digital Imaging and Remote Sensing Image Generation}
\acro{DIS}{Distributed Interactive Simulation}
\acro{DISORT}{Discrete Ordinates Radiative Transfer Program for a Multi-Layered Plane-Parallel Medium}
\acro{DITSIM}{Directed Infrared Countermeasure and Imaging Toolkit Simulator}
\acro{dl}[DL]{Digital Level}
\acro{DL}[DL]{Digital Level}
\acro{DLE}{Differential Linearity Error }
\acro{DLea}[DL]{Deep Learning}
\acro{DLL}{Dynamic Load Library}
\acro{DLSWC}{Denel Land Systems Western Cape}
\acro{DLU}{Directed Laser Unit}
\acro{DNNs}{Deep Neural Networks}
\acro{DoD}{Department of Defense}
\acro{DOI}{Digital Object Identifier}
\acro{DOM}{Document Object Model}
\acro{DOTR}{Denel Overberg Test Range}
\acro{DPA}{Digital Processing Assembly}
\acro{DPSS}{Defence, Peace Safety and Security, an operating unit of the CSIR}
\acro{DRI}{Detection, Recognition and Identification}
\acro{DRY}{Don't Repeat Yourself}
\acro{DSIM}{Directed Infrared Countermeasure Simulator}
\acro{DSMC}{Direct Simulation Monte Carlo}
\acro{DSP}{Digital Signal Processing}
\acro{DST}{Daylight Saving Time}
\acro{DSTO}{Defense Science and Technology Organisation}
\acro{DTD}{Document Type Definition}
\acro{DTV}{Digital Television}
\acro{DTw}{Digital Twin}
\acro{DVD}{Digital Video Disk or Digital Versatile Disk}
\acro{ECCM}{Electronic Counter-Countermeasure}
\acro{ECEF}{Earth Centred Earth Fixed}
\acro{ECMWF}{European Centre for Medium-Range Weather Forecasts}
\acro{ECOMOS}{European Computer Model for Optronic Systems}
\acro{EDERI}{Electronic Defence Evaluation and Research Institute}
\acro{EDS}{Electronic Defence Systems}
\acro{EEPROM}{Electronically Erasable Programmable Read-Only Memory}
\acro{EGM96}{1996 Earth Gravitational Model}
\acro{EGT}{Exhaust Gas Temperature}
\acro{EICAS}{Engine Indication and Crew Alert System}
\acro{EMC}{Electromagnetic Compatibility}
\acro{EME}{Environmental Modelling Editor}
\acro{EMEA}{Europe, Middle East, and Africa}
\acro{EMF}{Electromotive force}
\acro{EMI}{Electro-magnetic interference}
\acro{EMP}{Electro-magnetic pulse}
\acro{ENU}{East North Up}
\acro{ENVI}{An image processing product}
\acro{EO}{Electro Optic(s/al)}
\acro{EofN}{east of north}
\acro{EOSS}[EOSS]{Electro-Optical Simulation System}
\acro{EOSensS}[EOSS]{Electro-Optical Sensor System}
\acro{EPS}{European Polar System }
\acro{EPW}{Energy Plus Weather}
\acro{ERA5}{ECMWF Reanalysis v5}
\acro{ESA}{European Space Agency}
\acro{ESD}{East-South-Down (coordinate convention)}
\acro{ESRI}{Environmental Systems Research Institute}
\acro{ESRL}{Earth System Research Laboratory}
\acro{EULA}{End-User Licence Agreement}
\acro{EUMETSAT}{EUropean organization for the exploitation of METeorological SATellites}
\acro{EW}{Electronic Warfare}
\acro{EWC}{Electronic Warfare Centre}
\acro{FAA}{Federal Aviation Administration} 
\acro{FAR}{False alarm rate}
\acro{FASCODE}{Fast Atmospheric Signature Code}
\acro{FCU}{Flight Control Unit}
\acro{FET}{Field-Effect Transistor}
\acro{FEM}{Finite Element Modelling}
\acro{FFT}{Fast Fourier Transform}
\acro{FIBS}{Federal Information Processing Standards}
\acro{FIFO}{First In First Out memory system}
\acro{FIGHTERS}{HITRAN Atmospheric Workstation}
\acro{FIPS}{Federal Information Processing Standard}
\acro{FIRST}{Fourier Infrared Spectrometer Telops, an imaging FTIT camera}
\acro{FLIR}{Forward Looking Infrared}
\acro{FM}{Frequency Modulation}
\acro{FMECA}{Failure modes, effects and criticality analysis}
\acro{FMS}{Flight Management System}
\acro{FOM}{Figure of merit}
\acro{FOR}{Field of Regard}
\acro{FORTRAN}{Formula Translation}
\acro{FOV}{Field of View}
\acro{FOVEF}{Field of view Expansion Factor}
\acro{FPA}{Focal Plane Array}
\acro{FPGA}{Field-Programmable Gate Array}
\acro{FPN}{Fixed Pattern Noise}
\acro{FPO}{Fixed Pattern Offset}
\acro{FPP}{Focal Plane Processor}
\acro{fps}{frames per second}
\acro{FR}{Frame Rate}
\acro{FTE}{Flight Test Engineer}
\acro{FTB}{Flight Test Bed}
\acro{FSL}{Forecast Systems Laboratory}
\acro{FTIR}{Fourier-transform infrared spectrometer}
\acro{FTP}[FTP]{File transfer protocol}
\acro{FTProc}[FTP]{Functional Test Procedure}
\acro{FTR}{Functional Test Report}
\acro{FTSW}{Fourier Transform Software}
\acro{FWHM}{Full-Width Half Max}
\acro{FYI}{For Your Information}
\acro{GA-Sim I/O}{Gimbal-Assembly Simulator Input Output}
\acro{GA-Sim}{Gimbal-Assembly Simulator}
\acro{GA}{Gimbal Assembly}
\acro{GADS}{Global Aerosol Data Set}
\acro{GB}{Gigabyte}
\acro{GCC}{GNU Compiler Collection}
\acro{GCN}{Guidance, Navigation and Control}
\acro{GDAL}{Geospatial Data Abstraction Library}
\acro{GDEM}{Global Digital Elevation Model}
\acro{Ge}{Germanium}
\acro{GEISA}{Gestion et Etude des Informations Spectroscopiques Atmosph\'{e}riques}
\acro{GENLOCK}{Generator Lock}
\acro{GHCN}{Global Historical Climatology Network}
\acro{GIDSC}{GEISA/IASI Database Scientific Committee}
\acro{GIL}{Global Interpreter Lock}
\acro{GIS}{Geographic Information System}
\acro{GIQE}{General Image Quality Equation}
\acro{GLSL}{OpenGL Shading Language}
\acro{GLUT}{Graphics Library Utilities}
\acro{GMI}{Gate Modulated Input}
\acro{GMT}{Greenwich Mean Time}
\acro{GNSS}{Global Navigation Satellite System}
\acro{GNU}{GNU's Not Unix}
\acro{GeoTIFF}{Geographic Tagged Image File Format}
\acro{GHCN}{Global Historical Climatology Network}
\acro{GP}{Grid Pixel Detector}
\acro{GPL}{GNU General Public License}
\acro{GPS}{Global Positioning System}
\acro{GPU}{Graphics Processor Unit}
\acro{GRS}{Geodetic Reference System}
\acro{GS}{Gimbal Simulator}
\acro{GSA}{Gimbal Servo Amplifier}
\acro{GSD}{Ground Sample Distance}
\acro{GTS}{Global Telecommunications System}
\acro{GUI}{Graphical User Interface}
\acro{GWIR}{Germanium (band) Wave Infrared, a 1.1--1.5~\si{\micro\metre} camera}
\acro{H/W}{Hardware}
\acro{HaIL}{Hardware In the Loop}
\acro{HD}{High Definition}
\acro{HDF}{Hierarchical Data Format }
\acro{HDR}{High Dynamic Range}
\acro{HE}{High Explosive}
\acro{HFOV}{Horizontal Field-of-View}
\acro{HGH}{Name of a company}
\acro{HILS}{Hardware In the Loop Simulation }
\acro{HITEMP}{High Temperature  molecular absorption database}
\acro{HITRAN}{High-resolution transmission molecular absorption database}
\acro{HLA}{High Level Architecture}
\acro{HLAN}{HILS LAN}
\acro{HOTBB}{Hot Blackbody}
\acro{HOTCBB}{Hot Calibration Blackbody}
\acro{HS}{Hyper-Spectral}
\acro{HSI}{Hyper-Spectral Image}
\acro{HTML}{Hypertext Markup Language}
\acro{HTTP}{HyperText Transfer Protocol}
\acro{HTTPS}{HyperText Transfer Protocol Secure}
\acro{HuIL}{Human In the Loop}
\acro{HWIL}{Hardware In the Loop}
\acro{I/O}{Input/Output}
\acro{IANA}{Internet Assigned Numbers Authority}
\acro{IAS}{Indicated Air Speed}
\acro{IASI}{Infrared Atmospheric Sounding Interferometer}
\acro{IC}{Integrated circuit}
\acro{ICAO}{International Civil Aviation Organization}
\acro{ICD}{Interface Control Document}
\acro{ICT}{Information, Computer and Telecommunications}
\acro{ID}{Identification}
\acro{ICOADS}{International Comprehensive Ocean-Atmosphere Data Set}
\acro{IDE}{Integrated Development Environment}
\acro{IDL}{International Date Line}
\acro{IEC}{International Electrotechnical Commission}
\acro{IEEE}{Institute for Electrical and Electronics Engineers}
\acro{IERS}{International Earth Rotation and Reference Systems Service}
\acro{IF}{InterFace}
\acro{IFF}{Identification Friend or Foe}
\acro{IFOV}{Instantaneous Field of View}
\acro{IG}{Image Generation}
\acro{IGES}{Initial Graphics Exchange Specification}
\acro{IGRA}{Integrated Global Radiosonde Archive}
\acro{IID}{Independent and Identically Distributed}
\acro{IIR}{Infinite Impulse Response}
\acro{ILE}{Integral Linearity Error}
\acro{IMU}{Inertial Measurement Unit}
\acro{InGaAs}{Indium Gallium Arsenide}
\acro{INS}{Inertial Navigation System}
\acro{InSb}{Indium Antimonide}
\acro{IO}{Input/Output}
\acro{IoT}{Internet of Things}
\acro{IPintprop}[IP]{Intellectual Property}
\acro{IPM}{Inverse Perspective Mapping}
\acro{IPT}{Inverse Perspective Transform}
\acro{IPnetwork}[IP]{Internet Protocol}
\acro{IR}{Infrared}
\acro{IRCM}{Infrared Countermeasure}
\acro{IRECM}{Infrared Electronic Countermeasure}
\acro{IRIG}{Inter-Range Instrumentation Group, a time code format }
\acro{IRIS}{Infrared Imaging Seeker}
\acro{IRM}{IERS Reference Meridian}
\acro{IRML}{Infrared Mobile Laboratory}
\acro{IRP}{IERS Reference Pole}
\acro{IRSA}{Infrared Sensor Assembly}
\acro{IRSL}{Infrared Spectral Library}
\acro{IRST}{Infrared Search and Track}
\acro{ISA}{International Standard Atmosphere}
\acro{ISAR}{Inverse Synthetic Aperture Radar}
\acro{ISD}{Integrated Surface Database}
\acro{ISH}{Integrated Surface Hourly}
\acro{ISLS}{Integrating Sphere Light Source}
\acro{ISM}{Isotropic Sky Model}
\acro{ISO}{International Organisation for Standardisation}
\acro{ISOIEC}[ISO/IEC]{International Organisation for Standardisation/International Electrotechnical Commission}
\acro{ISSWG}{IASI Sounding Science Working Group}
\acro{ITBMS}{International Infrared Target, Background Modelling \& Simulation}
\acro{ITAR}{International Traffic in Arms Regulations}
\acro{ITC}{International Institute for Geo-Information Science and Earth Observation }
\acro{ITR}{Integrate Then Read}
\acro{ITRF}{International Terrestrial Reference Frame}
\acro{ITRS}{International Terrestrial Reference System}
\acro{IUGG}{International Union for Geodesy and Geophysics}
\acro{IWEC}{International Weather for Energy Calculations}
\acro{IWR}{Integrate While Read}
\acro{JavaHAWKS}{{\bf Java} HITRAN Atmospheric Workstation}
\acro{JCG}{Jam Code Generator}
\acro{JMASS}{Joint Modelling and Simulation Systems}
\acro{JPG}{Graphics file type developed by Joint Photographic Experts Group}
\acro{JSON}{JavaScript Object Notation}
\acro{JMA}{Japanese Meteorological Agency}
\acro{KACST}{King Abdul Aziz City for Science and Technology, Saudi Arabia}
\acro{KDE}{Kernel Density Estimate}
\acro{KIAS}{Knots Indicated Air Speed}
\acro{kts}{knots}
\acro{Kpotassium}[K]{Potassium [K]}
\acro{KSA}{Kingdom of Saudi Arabia}
\acro{KTAS}{Knots True Air Speed}
\acro{LADAR}{Laser Detection and Ranging}
\acro{LAN}{Local Area Network}
\acro{LBL}{Line-By-Line}
\acro{LBLRTM}{Line-By-Line Radiative Transfer Model}
\acro{LDW}{Lane Departure Warnings}
\acro{LGPL}{Lesser General Public License}
\acro{LiDAR}{Light Detection and Ranging}
\acro{LN}{Liquid Nitrogen}
\acro{LOD}{Level of Detail}
\acro{LOS}{Line of sight}
\acro{LOWTRAN}{Low Resolution Transmission}
\acro{LPG}{Liquid Petroleum Gas}
\acro{LRI}{Land Resources International}
\acro{LST}{Local Solar Time}
\acro{LTP}{Local Tangent Plane}
\acro{LTS}{Long Term Support}
\acro{LUT}{Lookup Table}
\acro{LVCMOS}{Low voltage Complementary Metal Oxide Silicon}
\acro{LVDS}{Low Voltage Differential Signalling}
\acro{LVLH}{Lcal Vertical, Local Horizontal}
\acro{LW}{Long Wave 8--12~\si{\micro\metre}}
\acro{LWIR}{Long Wave Infrared, 8--12~\si{\micro\metre}}
\acro{ManPADS}{Man Portable Air Defence System}
\acro{masl}{meters above sea-level}
\acro{MATISSE}{Advanced Modeling of the Earth for the Imaging and the Simulation of the Scenes and their Environment}
\acro{MAW}{Missile Approach Warner}
\acro{MB}{Megabyte}
\acro{MBD}{Matra-BAe Dynamics}
\acro{MBSE}{Model-based Systems Engineering}
\acro{MBT}{Main Battle Tank}
\acro{MCMC}{Markov-Chain Monte Carlo}
\acro{MCMs}{Material classified maps}
\acro{MCP}{Missile Control Processor}
\acro{MCScene}{Monte Carlo Scene}
\acro{MCSO}{Modelling and Simulation Coordination Office}
\acro{MCT}{Mercury Cadmium Telluride}
\acro{MDT}{Minimum detectable temperature}
\acro{MENA}{Middle East and North Africa}
\acro{MENAP}{Middle East, North Africa, Afghanistan, and Pakistan}
\acro{MERRA}{Modern-Era Retrospective analysis for Research and Applications}
\acro{METAR}{METeorological Aerodrome Reports}
\acro{MIR}{Mid Infrared}
\acro{MIT}{Massachusetts Institute of Technology}
\acro{ML}{Machine Learning}
\acro{MLID}{Master Location Identifier Database}
\acro{MLOS}{multiple line-of-sight}
\acro{MLS}{Mid-latitude Summer}
\acro{MMW}{Millimetre Wave}
\acro{MO}{Magneto-Optical}
\acro{MoD}{Ministry of Defense}
\acro{MODIS}{Moderate Resolution Imaging Spectroradiometer}
\acro{modSAP}[SAP]{Spectral Aerosol Profile}
\acro{MODTRAN}{MODerate spectral resolution atmospheric TRANSmittance algorithm and computer model}
\acro{MOMO}{Matrix-Operator Model}
\acro{MOOC}{Massive Open Online Course}
\acro{MOPSMAP}{Modeled optical properties of ensembles of aerosol particles}
\acro{MOR}{Meteorological Optical Range}
\acro{MORTICIA}{Monte-Carlo Optical Rendering for Theatre Investigation of Capability Under the Influence of the Atmosphere}
\acro{MOSART}{MOderate Spectral Atmospheric Radiance and Transmittance}
\acro{MOSFET}{Metal Oxide Semiconductor Field Effect Transistor}
\acro{MPE}{Maximum Permissible Exposure}
\acro{MPI}{Message Passing Interface}
\acro{MRC}{Minimum Resolvable Contrast}
\acro{MRT}{Minimum Resolvable Temperature}
\acro{MRTD}{Minimum Resolvable Temperature Difference}
\acro{MSA}{Minimum Sector Altitude}
\acro{MSI}{MicroSoft Installer}
\acro{MSim}[M\&S]{Modeling \& Simulation}
\acro{MS}[MS]{Microsoft}
\acro{MSE}{Mean Squared Error}
\acro{MSL}{Metres above (mean) Sea Level}
\acro{msl}[MSL]{Mean Sea Level}
\acro{MTBF}{Mean Time Between Failures}
\acro{MTF}{Modulation Transfer Function}
\acro{MTL}{Missile Approach-Warner-Tracker-Laser}
\acro{MTT}{Multi-Target Tracking}
\acro{MTV}{Magnesium-Teflon\textsuperscript{\textregistered}-Viton\textsuperscript{\textregistered}}
\acro{MuSES}{Multi-service Electro-optical Signature}
\acro{MVP}{Missile Verification Processor}
\acro{MVU}{Missile Verification Unit}
\acro{MW}{Medium Wave 3--5~\si{\micro\metre}}
\acro{MWIR}{Medium Wave Infrared, 3--5~\si{\micro\metre}}
\acro{MWS}{Missile Warning System}
\acro{N-DOF}{N  Degrees of Freedom}
\acro{NotAv}[NA]{Not Available}
\acro{NOHD}{Nominal Ocular Hazard Distance}
\acro{NA}[NA]{Numerical aperture}
\acro{NAD}{North American Datum}
\acro{NASA}{National Aeronautics and Space Administration}
\acro{NATO}{North Atlantic Treaty Organisation}
\acro{NAVD}{North American Vertical Datum }
\acro{NCAR}{National Center for Atmospheric Research}
\acro{NCDC}{National Climatic Data Center}
\acro{NCEI}{National Centers for Environmental Information}
\acro{NCEP}{National Centers for Environmental Prediction}
\acro{ND}{Neutral Density}
\acro{NDA}{Non-Disclosure Agreement}
\acro{NDOF}{N Degrees of Freedom}
\acro{NE}{North East}
\acro{NED}{North-East-Down}
\acro{NEE}{Noise equivalent irradiance (the symbol E is used for irradiance)}
\acro{NEL}{Noise equivalent radiance}
\acro{NEM}{Noise equivalent exitance}
\acro{NEP}{Noise equivalent power}
\acro{NER}{Noise equivalent reflectance }
\acro{NETC}{Noise equivalent target contrast}
\acro{NETD}{Noise equivalent temperature difference}
\acro{NEU}{North-East-Up}
\acro{NFOV}{Narrow Field of View}
\acro{NGA}{National Geospatial-Intelligence Agency}
\acro{NGF}{New Generation Flare}
\acro{NIR}{Near Infrared, 1--2~\si{\micro\metre}}
\acro{NIIRS}{National Imagery Interpretability Rating Scale}
\acro{NMEA}{NMEA 0183 standard for communication}
\acro{NMISA}{National Metrology Institute of South Africa}
\acro{NOAA}{National Oceanic and Atmospheric Administration}
\acro{NOVAM}{Navy Oceanic Vertical Aerosol Model}
\acro{NTCS}{Naval Threat \& Countermeasures Simulator}
\acro{NTSC}{National Television System Committee}
\acro{NU}{Non-Uniformity}
\acro{NUC}{Non-Uniformity Correction}
\acro{NULL}{zero}
\acro{NVESD}{Night Vision and Electronic Sensors Directorate}
\acro{NVG}{Night Vision Goggles}
\acro{NVIPM}[NV-IPM]{Night Vision Integrated Performance Model}
\acro{NV-IPM}[NV-IPM]{Night Vision Integrated Performance Model}
\acro{NW}{North West}
\acro{NWS}{National Weather Service}
\acro{ODE}{Ordinary Differential Equation}
\acro{OEM}{Other Equipment Manufacturer}
\acro{OGC}{Open Geospatial Consortium}
\acro{OGR}{OpenGIS Simple Features Reference Implementation}
\acro{OM}{OSSIM Modelling}
\acro{OO}{Object Oriented}
\acro{OODA}{ Observe, Orientate, Decide and Act }
\acro{OPAC}{Optical Properties of Aerosols and Clouds}
\acro{OPC}{Offset Pre-Correction}
\acro{OpenGL}{Open Graphics Library}
\acro{OPSF}{Optical Point Spread Function }
\acro{QGIS}{Quantum Geographic Information System}
\acro{OS}{Operating System}
\acro{OSG}{Open Scene Graph}
\acro{OSG}{OpenSceneGraph}
\acro{OSI}{Open Source Initiative}
\acro{OSMOSIS}{Open-source Software for Modeling of Ship Infrared Signatures}
\acro{OSS}{Optronics Sensor Systems}
\acro{OSSIM}{Optronic System Simulator}
\acro{OTA}{Off-tail Angle}
\acro{OTB}{Overberg Test Range}
\acro{OTF}{Optical transfer function}
\acro{OTP}{Operational Test Procedure}
\acro{OTW}{out-of-the-window}
\acro{PAL}{Phase Alternation Line, television format}
\acro{PAR}{Photosynthetically Active Radiation}
\acro{PbS}{Lead Sulphide}
\acro{PbSe}{Lead Selenium}
\acro{PC}{Personal Computer}
\acro{PCIface}[PCI]{Peripheral Compact Interface}
\acro{PCI}[PCI]{Peripheral Component Interconnect}
\acro{PCP}{Platform Control Processor}
\acro{PDAL}{Point Data Abstraction Library}
\acro{PDD}{Parameter Depency Diagram}
\acro{PDE}{Partial Differential Equation}
\acro{PDF}{Portable Document Format}
\acro{PDFn}[PDF]{Probability Density Function}
\acro{PFD}{Pre-flight demonstration}
\acro{PECVD}{Plasma-enhanced chemical vapour deposition}
\acro{PG}{Parliamentary Grant}
\acro{PHP}{Hypertext Preprocessor}
\acro{PI}{Proportional-Integral}
\acro{PInt}[PI]{Photo Interpreter}
\acro{PID}{Proportional-Integral-Derivative}
\acro{PIREP}{Pilot Report}
\acro{PNG} {Portable Network Graphics}
\acro{PNNL}{Pacific Northwest National Laboratory}
\acro{POC}{Point of Contact}
\acro{POR}{period of record}
\acro{POSIX}{Portable Operating System Interface}
\acro{POV}{Point of View}
\acro{PRF}{Pulse Repetition Frequency}
\acro{PRNU}{Photo Response Non-Uniformity}
\acro{PSD}{Power Spectral Density}
\acro{PSF}{Point Spread Function}
\acro{PSFL}{Python Software Foundation License}
\acro{PSNR}{Peak-Signal-to-Noise Ratio}
\acro{PSU}{Power Supply Unit}
\acro{PV}{Photovoltaic}
\acro{PVM}{Parallel Virtual Machine}
\acro{QA}{Quality Assurance}
\acro{QC}{Quality Control}
\acro{QE}{Quantum Efficiency}
\acro{QGIS}{Quantum Geographic Information System}
\acro{QNH}{Q code pressure referred to sea level}
\acro{QFE}{Q code for pressure at field elevation}
\acro{QWIP}{Quantum Well Infrared Photodetector}
\acro{RADAR}{RAdio Detection And Ranging}
\acro{RadT}[RT]{Radiative Transfer}
\acro{RAM}{Random Access Memory}
\acro{RASOBS}{RAdioSonde OBServations}
\acro{RAOB}{Radiosonde observation}
\acro{RATPAC}{Radiosonde Atmospheric Temperature Products for Assessing Climate}
\acro{RC}{Resistor/Capacitor}
\acro{RCS}{Radar Cross Section}
\acro{ReSe}{Remote Sensing}
\acro{REV}{Representative Elementary Volume}
\acro{RF}{Radio Frequency}
\acro{RGB}{Red, Green and Blue}
\acro{RH}{Relative humidity }
\acro{RHC}{Right Handed Coordinate System}
\acro{rms}{Root Mean Square}
\acro{RMS}{Root Mean Square}
\acro{RMSg}[RMS]{Radiometry, Measurements and Simulation}
\acro{ROI}{Region of interest}
\acro{ROIC}{Read Out Integrated Circuit}
\acro{RPG}{Recommended Practice Guide}
\acro{RPT}{Report}
\acro{RS-232}{Recommended Standard-232}
\acro{RSA} {Rivest-Shamir-Adleman}
\acro{RSC}{Renaissance Sciences Corporation}
\acro{RSF}{Ray Spread Function}
\acro{RSS}{Radiometry, Signatures and Simulation}
\acro{RSSqr}[RSS]{Residual Sum of Squares}
\acro{RT}{Real Time}
\acro{RT/CORBA}{Real Time Common Object Request Broker Architecture }
\acro{RTAI}{Real-time Application Interface for Linux}
\acro{RTCORBA}{Real Time Common Object Request Broker Architecture}
\acro{RTE}{Radiative Transfer Equation}
\acro{RTF}{Real-time Framework (HILS environment)}
\acro{RTM}{Radiative Transfer Model}
\acro{RTN}{Real-Time Network}
\acro{RTNET}{Real-time Network}
\acro{RTS}{Random Telegraph Signal}
\acro{Rx}{Receive}
\acro{RVR}{Runway Visual Range}
\acro{S-E}[SE]{Synthetic Environment}
\acro{S/W}{Software}
\acro{SA}{Surface to Air (missile)}
\acro{SAAF}{South African Air Force}
\acro{SAICSIT}{South African Institute for Computer Scientists and Information Technologists}
\acro{SAL}{Semi-Active Laser}
\acro{SAM}{Surface to Air Missile}
\acro{SANDF}{South African National Defence Force}
\acro{SAO}{Surface Aviation Observation}
\acro{SAP}{Systolic array processor}
\acro{SAPmod}[SAP]{Spectral Aerosol Profile}
\acro{SAR}{Synthetic Aperture Radar}
\acro{SAST}{South African Standard Time}
\acro{SBC}{Single-board Computers}
\acro{SCD}{Semiconductor Devices (Israeli detector company)}
\acro{SceSyS}{Scenario System Simulator}
\acro{SCOM}{Serial Communications}
\acro{SCR}{Signal-to-clutter ratio}
\acro{SCS}{The Society for Modeling & Simulation International}
\acro{SCSI}{Small Computer System Interface}
\acro{SDD}{Software Design Document}
\acro{SDK}{Software Development Kit}
\acro{SDL}{Simple DirectMedia Layer}
\acro{SDLC}{Synchronous Data-Link Control}
\acro{SDSP}{Sensor Digital Signal Processor}
\acro{SE}{South East}
\acro{SEM}{Sensor Electronics Module}
\acro{SF}{Simply Fortran}
\acro{SFINAE}{Substitution failure is not an error}
\acro{SGD}{Saab Grintek Defence Pty. Ltd.}
\acro{SGI}{Silicon Graphics Incorporated}
\acro{SHA}{Sample and Hold Amplifier}
\acro{SI}{Systeme Internationale}
\acro{SID}{System Identification}
\acro{SIG}{Synthetic Image Generator}
\acro{SIGGRAPH}{Special Interest Group in Graphics}
\acro{SIMD}{Single instruction multiple data}
\acro{SIMIS}{Simulation for Imaging Infrared Systems}
\acro{SIMS}{Science Inventory Management System}
\acro{SLR}{Sight-Line Rate}
\acro{SMARS}{Supplementary Marine Reporting Station}
\acro{SMiRL}{Surprise Minimizing Reinforcement Learning in Dynamic Environments}
\acro{SNR}{Signal-to-Noise Ratio}
\acro{SoF}{Start of Frame}
\acro{SOP}{Safety Operating Procedures}
\acro{SOW}{Statement of Work}
\acro{SP}{Single Pixel Detector}
\acro{SPIE}{International Society for Optical Engineering}
\acro{SPP}{Sensor Pre-Processor}
\acro{SRS}{Software Requirement Specification}
\acro{srs}[SRS]{Spatial Reference System}
\acro{SRTM}{Shuttle Radar Topography Mission}
\acro{SSA}{single-scattering albedo}
\acro{ssh} {Secure Shell}
\acro{SSI}{Spectral Sciences, Inc.}
\acro{SSS}{System/Subsystem Specification}
\acro{STANAG}{Standardisation Agreement}
\acro{STD}{Standard Deviation}
\acro{STDP}{Spike-Timing-Dependent Plasticity}
\acro{STLib}[STL]{Standard Template Library}
\acro{STLit}[STL]{Stereo Lithography}
\acro{STP}{Standard Temperature and Pressure}
\acro{STR}{Signal to threshold ratio}
\acro{SVC}{Software Version Control}
\acro{SVM}{State Vector Machine}
\acro{SVR}{Slant Visual Range}
\acro{svn}{subversion}
\acro{SW}{South West}
\acro{SWCC}{Soil Water Characteristic Curve}
\acro{SWIR}{Short Wave Infrared,  1.8--2.5~\si{\micro\metre}}
\acro{TAO}{The ACE Object Request Broker}
\acro{TAS}{True Air Speed}
\acro{TB}{Terabyte}
\acro{TBA}{To Be Advised}
\acro{TBC}{To Be Confirmed}
\acro{TBDL}{To Be Determined Later}
\acro{TC}{Transport Canada}
\acro{TCP}{Transmission Control Protocol}
\acro{TCP/IP}{Transmission Control Protocol/Internet Protocol}
\acro{TCR}{Temperature Coefficient of Resistance}
\acro{TDI}{Time delayed integration}
\acro{TEC}{Thermo-Electric Cooler}
\acro{TFDC}{Test Flight and Development Center}
\acro{TIFF}{Tagged Image File Format}
\acro{TIN}{Triangular Irregular Network}
\acro{TMY}{Typical Meteorological Year}
\acro{TOA}{Top of Atmosphere}
\acro{TP}{Test Point}
\acro{TPM}{Technical performance measure}
\acro{TPNUC}{Two-Point Non-Uniformity Correction}
\acro{TR1}{Technical Release 1, a C++ library}
\acro{TRM}{Thermal Range Model}
\acro{TSC}{Technology Service Cooporation}
\acro{TTL}{Transistor-transistor Logic}
\acro{TTP}{Targeting Task Performance}
\acro{TTPM}{Targeting Task Performance Metric}
\acro{TUG}{TeX Users Group}
\acro{TV}{Television}
\acro{Tx}{Transmit}
\acro{UAE}{United Arab Emirates}
\acro{UAS}{Unmanned Aircraft System}
\acro{UAV}{Unmanned Aerial Vehicle}
\acro{UDP}{User Datagram Protocol}
\acro{UE4}{Unreal Engine 4}
\acro{UK}{United Kingdom}
\acro{UML}{Unified Modelling Language}
\acro{UNESCO}{United Nations Educational, Scientific and Cultural Organization}
\acro{UNIX}{A computer operating system, not an acronym. UNIX is a pun on MULTICS}
\acro{UPS}{Uninterrupted Power Supply}
\acro{URI}{Uniform Resource Identifier}
\acro{URL}{Uniform Resource Locator}
\acro{URS}{User Requirement Specification}
\acro{US}{United States}
\acro{USA}{United States of America}
\acro{USC}{Unified Soil Classification}
\acro{USAF}{Unites States Air Force}
\acro{USB}{Universal Serial Bus}
\acro{USCRN}{US Climate Reference Network}
\acro{USGS}{United States Geological Survey}
\acro{USRCRN}{US Regional Climate Reference Network}
\acro{USS}{United States Standard}
\acro{USSR}{United Socialist Soviet Republics}
\acro{UTC}{Universal Time Coordinate}
\acro{UUT}{Unit Under Test}
\acro{UV}{Ultraviolet}
\acro{VBA}{Visual Basic for Applications}
\acro{VFOV}{Vertical Field-of-View}
\acro{VGA}{Video Graphics Array}
\acro{VIS}{Visible}
\acro{VISA}{Virtual Instrument Software Architecture}
\acro{VLW}{Very Long Wave 8--12~\si{\micro\metre} }
\acro{VLWIR}{Very Long Wave Infrared}
\acro{VM}{Virtual Machine}
\acro{VNIR}{Visual and Near Infrared 0.4--1~\si{\micro\metre} }
\acro{VOx}{Vanadium Oxide}
\acro{VPN}{Virtual Private Network}
\acro{VRA}{Vertical Release Application}
\acro{VRSG}{Virtual Reality Scene Generator}
\acro{VS}{Visual Studio}
\acro{VSA}{Army Vertical Structure Algorithm}
\acro{VSG}{VulkanSceneGraph}
\acro{VV}{Validation and Verification}
\acro{VVA}{Validation, Verification and Accreditation}
\acro{WBAN}{Weather Bureau, Army, Navy}
\acro{WGS}{The World Geodetic System}
\acro{WGS84}{1984 World Geodetic System}
\acro{WMO}{World Meteorological Organization}
\acro{WMTS}{Web Map Tile Service}
\acro{WRS}{Weapon Rear Section}
\acro{WSL}{Windows Subsystem for Linux}
\acro{XML}{Extensible Markup Language}
\acro{XP}{Microsoft Windows XP (operating system)}
\acro{XPSP}{Microsoft Windows XP (operating system) Service Pack}
\end{acronym}
\endgroup