List of Abbreviations
a.e. = almost everywhere
ACS = almost cyclostationary
AP = almost periodic
CDMA = code-division multiple access
DFS = discrete Fourier series
DFT = discrete Fourier transform
DSSS = direct-sequence spread-spectrum
DT-CCC = discrete-time cyclic cross-correlogram
fBm = fractional Brownian motion
FOT = fraction-of-time
FRESH = frequency shift
GACS = generalized almost-cyclostationary
H-CCC = hybrid cyclic cross-correlogram
LAPTV = linear almost-periodically time-variant
lhs = left-hand side
LTI = linear time-invariant
LTV = linear time-variant
MIMO = multi-input multi-output
MMSE = minimum mean-square error
PAM = pulse amplitude modulated
pdf = probability density function
QTI = quadratic time-invariant
RCS = radar cross-section
rhs = right-hand side
RX = receiver
SC = spectrally correlated
SCD = spectral correlation density
STFT = short-time Fourier transform
t.m.s.s. = temporal mean-square sense
TX = transmitter
w.a.p. = weakly almost periodic
w.p.1 = with probability 1
w.r.t. = with respect to
WSS = wide-sense stationary
