PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

(sharon) #1
672 Index

Ancient history of electricity
China, 101
Greece, 101, 104
Angle modulation, 22, 443–447
Angular frequency, 16–17
Animation, 56
Apparent power, 225, 232, 242–244
Approximations, 6, 170–171, 223, 326, 338, 588
ASCII, 9
Asymmetric function, 22
Atoms, 104
Attenuation, 21, 23, 561, 563, 565, 568, 581
Attraction force, 105
Autocorrelations, 336, 502–504
Average power, 225, 231, 245, 324–325, 491–492

B


Balanced load, 225
Balance system
polyphase network, 265
three-phase generator system, 263
Band-pass fi lter (BPF), 565–566, 572, 590
Band-reject fi lter (BRF), 565–566, 573
Band-stop fi lter (BSF), 565
Bandwidth (BW)
AM signals, 22
angle modulation, 22
implications of, 225, 329, 562, 565, 567, 583
low-pass fi lters and, 583
parallel RLC, 246–247
series RLC, 245–246
Bank reject fi lter, 562
Bartlett(N) function, 48
Bartlett window, 48, 52, 93
Base band signal, 21
Batteries, 102
Bell, Alexander Graham, 102
Bessel fi lters, 562, 573, 578–579, 582
Bessel functions
besselap, 582
besself ,582
impact of, 47
bilinear function, 585–586
Bilinear transformation, 584–586, 588
Binary codes, 9
Binary signal, 9
Blackman window, 47–50
Block box system
examples, 412–414
representations, 338
transformation, 337
Bode, Hendrik Wade, 339n

Bode plots, 339–340, 603, 608, 620, 622
Bounded input-bounded output (BIBO)
system, 458, 460
boxcar(N) function, 48
Boxcar window, 48, 93
Branch currents, 111, 116–117
Brickwall conditions, 593
buttap functions, 580
butter functions, 580, 588
Butterworth fi lters
IIR, 596, 649–650
analog, 658–660
features of, 562, 573–575, 577, 580, 596
low-pass fi lter (LPF), 580, 646
LP digital fi lter, 633–634
LPF transfer function, 580
second-order low pass-band fi lter, 587
buttord functions, 580

C


Capacitance, equivalent, 114
Capacitative reactive power, 232, 234
Capacitors
feat ures of, 103 –104, 108, 110, 114, 130, 136,
569
ideal, 115
impedance, 235
LP normalized fi lter, 568
parallel RLC, 247
pure, 116
storing energy elements, 127
Capacitor C, 355
Carbon, 109
Carrier
analog high-frequency, 22
defi ned, 21
high-frequency, 21
signal, 334
Cascade, 110
Cauchy’s residue theorem, 483
Cauchy window, 48
Cauer fi lter, 562, 573, 577–578
Causal sequence, 22
Causal systems
characteristics of, 346, 349–350
discrete, 458
discrete-time invariance linear system
(LTI), 462–463
Change, creation of, 105
Charges, 110
cheb1 function, 581
cheblap function, 581

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