563489578934

Index 759
Rectangular pulse, 56, 328
with an exponential, 61–62
convolution of, 61–62
sampling theorem for, 91–92
spectrum, 56, 78–79
Rectangular pulses, 56–60
Rectification, linear, 706
Redundancy time of code, 26
Reed-Solomon code, 22
Reed–Müller code, 22
Refraction index, 14
Regenerative repeaters, 176–178
Relative frequency, 682–685
conditional probability, 684–685
joint probability, 683–684
simple probability, 682–683
Relative value, 42
Remote terminals telephone systems,
571–577
Repeater, regenerative, 177
Reservations, 594
Resistance, radiation, 606
Resistive circuit, 259
Resistive load, 40
Resolution, 101, 633
Response
amplitude, 83
Butterworth, 255
Chebyshev, 255
frequency, 83
image, 294
impulse, 82
magnitude, 83
Return-to-zero line code, 164, 166
Return-to-zero (RZ), 171–173
Rice, S. O., 2
Rician probability density function, 513
Ring lead, 571
RLC circuit, 259
Roam mode, 624
Rolloff factor, 189
Root-mean-square bandwidth, 108, 444, 446
Root-mean-square (RMS), 40–41
for bipolar line code, 439
for ergodic random processes, 437–439
waveforms, 40–41
Roots, real, 713
Rotating phasor, 44
Rule
Carson’s, 341, 589
L’Hospital’s, 28
6dB, 150
S
Sampling/sample, 142–145
early, 180
frequency, 95
function, 415
instantaneous, 133, 220
late, 180
natural, 133, 220
nonuniformly spaced, 253
for rectangular pulse, 91–92
theorem, 90–93, 91–92
uniformly spaced, 253
Satellite communication systems,
583–597, 590
analog television transmission, 587–589
data multiple access, 589–595
digital television transmission, 587–589
satellite radio broadcasting, 595–597
telephone signal multiple access, 589–595
Satellite digital audio radio service (SDARS),
595–597
Satellite radio broadcasting, 583, 595–597
Satellite signal, 613–618
link budget evaluation for, 613–618
television receive-only terminal for, 613–618
Satellite-to-Earth transmission, 586
Satellites, 583
C-band, 589
communication, 586
direct-broadcast, 587
Galaxy, 613–618
geostationary, 597
high-power, 587
Intelsat series, 590
Ku band, 587
low-power, 587
medium-power, 587
Saturation, 640
Scanning, raster, 630
Scattering, tropospheric, 17
Schwarz’s inequality, 477
SDTV, 649
Second audio program (SAP), 637
Second generation (2G), 626–629
Selectivity, frequency, 255
Self-synchronization, 166
Sequences
data, 517
direct, 389
hand off, 626
learning, 187
m-, 390
maximum-length, 390
training, 187
Serial bit stream, 141
Serial encoding, 145
Serial input-output (SIO), 146
Serial method, 383
Series expansions, 674
Service
A, 624
B, 624
circuit-switched, 570
nonwireline, 624
packet-switched, 570
personal communication, 570
plain old telephone, 571
satellite digital audio radio, 595–597
wireline, 624
Set, 681
Shannon, C. E., 2, 19–20, 26, 28
Shannon’s limit, 28
Sideband
lower single, 324
single, 10, 313
upper single, 324
vestigial, 328, 634
Sifting property, 53
Sigma-delta encoding, 145
Signal/signaling. See also specific types of
amplitude-modulated, 246–247, 318
angle-modulated, 331, 346
antipodal, 493
average power, 149
bandlimited, 89–97
bandpass, 237
bandpass digital communication, 132
bandwidth of, 252
baseband, 9, 132, 429–432, 493, 532
basepass, 493
binary, 157, 158, 160, 198, 497
binary phase-shift keyed data, direct sequence
spreading, spread spectrum, 390
binary phase-shift keying, 108–109,
471, 507
black-and-white, 639
chrominance, 639
decibel of, 41–43
definition of, 34
difference, 498
digital, 177, 220
digitized, 591
discrete multitone, 388
energy, 35–36
fast frequency-shift keyed, 381
flat-top, 137
frequency-shift, 366
frequency-shift keying, 515
high-density bipolar n, 173
impulse sampled, 95
in-phase modulated, 240
intercarrier, 635
luminance, 639
machester, 166
minimum-shift keying, 381–383
modulated, 238, 241
modulating, 238, 344, 532
multilevel, 157, 162
narrowband angle-modulated, 341
nonreturn-to-zero, 168, 169, 504
orthogonal frequency-division multiplexing,
387–388
orthogonal series of, 69–71 (See also
specific types of)
peak, 529