rf terms 01

AF array factor
AGC automatic gain control
AM amplitude modulated
AMPS advanced mobile phone service
APTS advanced public transit systems
ASK amplitude shift keying
ATIS advanced traveler information system
ATMS advanced traffic management system
AUT antenna under test
AVCS advanced vehicle control system
AVI automatic vehicle identification
BER bit error rate
BPF bandpass filter
BPSK biphase shift keying
BSF bandstop filter
BW bandwidth
CAD computer-aided design
CDMA code division multiple access
CEP circular probable error
CMOS complementary MOS
CP circularly polarized
CPL cross-polarization level
CRTs cathode ray tubes
CT1/2 cordless telephone 1/2
CTO cordless telephone O
CVO commercial vehicle operations
CVR crystal video receiver
CW continuous wave

DBS direct broadcast satellite
DC direct current
DECT digital european cordless telephone
DR dynamic range
DRO dielectric resonator oscillator
DSB double side band
DSSS direct-sequence spread spectrum
ECCMs electronic courter- countermeasures
ECMs electronic countermeasures
EIRP effective isotropic radiated power
EM electromagnetic
ESM electronic support measure
EW electronic warfare
FCC Federal Communications Commission
FDD frequency division duplex
FDM frequency division multiplexing
FDMA frequency division multiple access
FETs field-effect transistors
FFHSS fast frequency- hopping spread spectrum
FHSS frequency-hopping spread spectrum
FLAR forward-looking automotive radar
FMCW frequency-modulated continous wave
FM frequency modulated
FNBW first-null beamwidth
FSK frequency shift keying
GEO geosynchronous orbit
GMSK Gaussian minimum shift keying
GPS global positioning system
GSM global system for mobile communication
G=T receiver antenna gain to system noise temperature ratio
HBTs heterojunction bipolar transistors
HEMTs high-electron-mobility transistors
HPA high-power amplifier
HPBW half-power beamwidth
HPF high-pass filter
IF intermediate frequency
IFM instantaneous frequency measurement
IL insertion loss
IMD intermodulation distortion
IM intermodulation
IMPATT impact ionization avalanche transit time device
IM3 third-order intermodulation
IP3 third-order intercept point
I/Q in-phase/quadrature-phase
IVHS intelligent vehicle and highway system