PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Index 681

Nyquist, Harry, 339n

Nyquist plots, 339–340

Nyquist rate, 499

Nyquist/Shannon

sampling rate, 44

theorem, 4

Nyquist theorem, 587

O

Odd function

algebraic rules, 23

analog and discrete cases, 22

energy analysis, 75–76

implications of, 328, 336, 470

symmetric, 23

Odd signals, 2

Ohm, as unit of measure, 102, 108

Ohm, George, 102

Ohm’s law, 104, 233, 265, 354

One-dimensional (1-D) signals, 2

1p2bp function fi les, 583

1p2hp function fi les, 583–584

1p2p function fi les, 583–584

On-off keying (OOK), 21

Open circuit

defi ned, 110

voltage, 119

Operational amplifi ers (OA), 569–570, 572

Operational calculus, 320

Optimization process, 595

Orthogonal families, 17, 72–73

Orthogonal signals, 2

Orthonormal families, 17

Oscillations, 15, 46, 131, 330, 349, 573

Output

defi ned, 2

power, 107

signal, 40

Overdamped system

examples of, 199–200, 203–204

features of, 131

parallel, 133

series, 135

Overlap-add method, 496–497

Overlap-save method, 496–497

P

Parabolic function, 14

Parabolic window, 48

Paral lel con nect ion, 111, 113 –115, 140

Parallel RLC (L circuit), 133

Parks-McClellan algorithm, 595

Parseval’s theorem, 321, 324–325, 339, 471

Partial-fraction expansion, 322, 351–352, 483, 488

Parzen window, 48

Pass band

characteristics of, 563–565

cutoff frequency, 577

fi lters, 561–563

ripples, 565, 588

Passive analog electrical fi lters, 569

Passive discrete system, 458

Passive fi lters, 563

Passive systems, 338

Percentage of total harmonic distortion

(PTHD), 326

Periodic function

defi ned, 322

DTFT, 470

implications of, 323–324, 332, 348, 500

Laplace transform (LT), 367–368

time domain, 336

Periodic sequences, 69–70

Periodic signals, continuous time, 2, 26–27,

61– 62, 321

Periodic wave, 325

Personal computer applications, 570

Phase angle, 226, 245

Phase distortion, 564

phase function, 584–585

Phase response, type-2 FIR fi lters, 592

Phase shift, 233, 338, 564

Phase shift keying (PSK) signals, 22, 87–88

Phase spectrum, 321, 327–328, 470

Phasor currents, 230, 248–249

Phasor diagram

LC parallel, 239–240

power analysis, 244–245

RLC, 235, 240–242

RL connection, 236

two-phase generator system, 262

Phasor network, 225, 249

Phasor representation, 224–225, 251

Physics, principles of, 105

Planar networks, 118

PM signals

bandwidth, 22

features of, 21–22

time domain representations, 22

PM spectrum, 443–447

Point-to-point communication systems, 22

Polarit y, 106, 109, 118

Poles, fi lter transfer function, 581–582, 584, 586–587

Poles, Laplace transform, 349–350

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