B. P. Lathi, Zhi Ding - Modern Digital and Analog Communication Systems-Oxford University Press (2009)

Index 893
Energy
of modulated signals, 108-109
signal, 20-2 1, 22, 25, 103-111
scaler product and, 528-529
of sum of orthogonal signals, 34
Energy spectral density (ESD), 104-105
of input and output, 111
time autocorrelation function and,
109-111
Ensemble, of random process, 456, 459
statistics, 459
Entropy, 14, 737
Envelope detection, 152-154
condition for, 153-155
Envelope detector, 157-158
Equalizers
decision feedback (DFE), 689-692
feedforward (FFW), 690
finite length MMSE, 681-682
fractionally spaced (FSE), 684, 686-687,
688
linear, 689-690
time domain (TEQ), 706
zero-forcing, 359-362, 677-679
Equivalent optimum binary receivers, 516
Equivalent signal sets, 569-577
Ergodic wide-sense stationary processes,
463-465
Error correction coding, 14-15
Error-free communication, 745-748,
754-755, 768-769
Error probability of optimum receivers,
561-569
Error propagation, in DFE, 69 1-692
Error vector, 29
Essential bandwidth, 105-108, 122, 335
Event, 394
Exclusive OR (XOR), 805
Experiment, 393-394
Exponential Fourier series, 39-46
Fornier spectra, 41-42
negative frequency mean, 42-45
Parseval's theorem in, 46
Exponential Fourier spectra, 41-42
Exponential modulation, 204
Extended superframe (ESF), 284
Eye diagrams, 366-369
in PAM, 372
Fading channels, 103
flat, 714-7 15
frequency-selective, 713-714
conversion to flat fading channel, 715
False alarm, 580
False dismissal, 580
Faraday, Michael, 16
Fast Fourier transform (FFT)
algorithm in DFT computations, 123
Feedback decoding, 837
Feedforward (FFW) equalizers, 690
Filtering, 128
Filters
antialiasing, 261
bandpass matched, 521-522
best, 509
Butterworth, 97
first-order-hold, 258
ideal vs. practical, 95-97
matched, 509-5 12
optimum receiver, 508-5 12
reconstruction filters, realizability of,
258-259
VSB, 168-169
Finite length MMSE equalizers, 681-682
First-order-hold filter, 258
Flat fading channels, 714-7 15
Folding frequency, 122
Forward error correcting (FEC) codes, 802
Fourier integral
aperiodic signal representation by, 62-69
Fourier series
exponential, 39-46
Parseval's theorem in, 46
Fourier transform
direct, 65
discrete
numerical computation of, 118-123
duality property, 77-79
existence of, 67-68
frequency-shifting property, 77, 83-87
inverse, 65
linearity of, 68