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Acronyms and Abbrevations

​Acronym or abbreviation​Meaning
ABECAnnular Bearing Engineers Committee
AGMAAmerican Gear Manufacturers’ Association
AHRSattitude and heading reference systems
AISIAmerican Iron and Steel Institute
ALUarithmetic logic unit
ANSIAmerican National Standards Institute
ASNOAustralian Safeguards and Non-proliferation Office
ASTMthe American Society for Testing and Materials​
ATCair traffic control
AVLISatomic vapour laser isotope separation
CAS​Chemical Abstracts Service
CASACivil Aviation Safety Authority
CCITTInternational Telegraph and Telephone Consultative Committee
CDUcontrol and display unit
CEPcircular error probable
CNTDcontrolled nucleation thermal deposition
CPUCentral Processing Unit
CRISLAchemical reaction by isotope selective laser activation.
CVDchemical vapour deposition
CWchemical warfare
CW (for lasers)continuous wave
DEWdirected energy weapon systems
DMEdistance measuring equipment
DSdirectionally solidified
EB-PVDelectron beam physical vapour deposition
EBUEuropean Broadcasting Union
ECMelectro-chemical machining
ECRelectron cyclotron resonance
EDMelectrical discharge machines
EEPROMSelectrically erasable programmable read only memory
EIAElectronic Industries Association
EMCelectromagnetic compatibility
EMCDBelastomer modified cast double based propellants
FFTFast Fourier Transform
GLONASSglobal navigation satellite system
GNSSglobal navigation satellite system
GPSglobal positioning system
HBThetero-bipolar transistors
HDDRhigh density digital recording
HEMThigh electron mobility transistors
ICAOInternational Civil Aviation Organisation
IECInternational Electro-technical Commission
IEEEInstitute of Electrical and Electronic Engineers
ILSinstrument landing system
IRIGinter-range instrumentation group
ISAinternational standard atmosphere
ISARinverse synthetic aperture radar
ISOInternational Organization for Standardization
ITUInternational Telecommunication Union
JISJapanese Industrial Standard
LIDARlight detection and ranging
LRUline replaceable unit
MACmessage authentication code
Machratio of speed of an object to speed of sound (after Ernst Mach)
MLISmolecular laser isotopic separation
MLSmicrowave landing systems
MOCVDmetal organic chemical vapour deposition
MPEGMoving Picture Experts Group (ISO/IEC JTC1/SC29/WG11)
MRImagnetic resonance imaging
NBCNuclear, Biological and Chemical
NDTnon-destructive test
PARprecision approach radar
PINpersonal identification number
ppmparts per million
PSDpower spectral density
RFradio frequency
RPVremotely piloted air vehicle
SACMASuppliers of Advanced Composite Materials Association
SARsynthetic aperture radar
SCsingle crystal
SLARsidelooking airborne radar
SMPTESociety of Motion Picture and Television Engineers
SRAshop replaceable assembly
SRAMstatic random access memory
SRMSACMA Recommended Methods
SSBsingle sideband
SSRsecondary surveillance radar
TCSECtrusted computer system evaluation criteria
TIRtotal indicated reading
UAVunmanned aerial vehicle
UTSultimate tensile strength
VORvery high frequency omni-directional range
YAGyttrium/aluminium garnet