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Synchronization of Digital Telecommunications Networks by Stefano Bregni

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SYMBOLS

images infinite time averaging: images
x(t) * y(t) convolution integral of signals x(t) and y(t):images
imagesximages the largest integer less than or equal to the real number x
log() natural logarithm
E{·} expected value (ensemble average)
sgn(x) signum function
a number of bits of the alignment word (frame synchronization)
A(t) instantaneous amplitude of a signal
ADEV(τ) Allan deviation
AVAR(τ) Allan variance
ba number of additional bits in one frame of a digital multiplex signal
bd number of bits available to tributaries in one frame of a digital multiplex signal
bm number of bits in one frame of a digital multiplex signal (frame length)
bs number of bits in one sector of a frame of a digital multiplex signal
B bandwidth
BIF equivalent noise bandwidth
BL bandwidth of a loop filter
Bn occurrence time of the nth clock pulse (significant instant)
BPLL bandwidth of a PLL
occurrence time of the nth pulse of the smoothed clock
B0H (ρ) total jitter power, low-pass filtered ...

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