Principles of Space-Time Adaptive Processing
By Richard Klemm

Glossary

A

a
noise-to-clutter ratio
a
auxiliary channel vector
ABF
adaptive beamforming
ACP
auxiliary channel processor
AEP
auxiliary eigenvector processor
AEW
airborne early warning
ASEP
auxiliary sensor/echo processor
ASFF
auxiliary sensor FIR filter processor
AWACS
Airborne Warning and Control System
A r
received signal amplitude

B

B
bandwidth
B
number of beamformer elements
B c
clutter bandwidth
B D
Doppler bandwidth
b
beamformer vector
b k
beamformer weights
?
look angle relative to array axis
B s
system bandwidth

C

c
light velocity
c
vector of clutter echoes
c F
vector of clutter spectral components
c T
transformed vector of clutter echoes
C
number of space-time channels
CALC
constrained averaged likelihood ratio
CFAR
constant false alarm rate
CRB
Cram r-Rao bound
CNR
clutter-to-noise ratio
Coho
coherent oscillator
CPI
coherent processing interval

D

d
sensor spacing
d s
subarray displacement
D( ?)
horizontal sensor directivity pattern
? R
width of range bin
D( ?)
vertical sensor directivity pattern
DFB
Doppler filter bank
DFT
discrete Fourier transform
DPCA
displaced phase centre antenna
d x
sensor spacing in x-direction
d y
sensor spacing in y-direction
d z
sensor spacing in z-direction
e i
unit vector ( i-th column of unit matrix)

E

E {}
expectation
E( t)
envelope of transmitted waveform

F

?
azimuth
F
normalised target Doppler frequency
F
DFT matrix, Doppler filter bank
f
vector of DFT or DFB output signals
FAP
(optimum) fully adaptive processor
f c
carrier frequency
f
Copyright The Institution of Electrical Engineers 2002 under license agreement with Books24x7
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