PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

680 Index

Low-pass fi lters (LPF)

Butterworth, 574, 616

features of, 4, 44–45, 330, 562, 564–566, 570

FIR, implementation of, 591

ideal (brick wall), 575

normalized, third-order fi lter prototype,

643–646

prototypes, 583, 585

LP-to-HP transformation, 568

LP-to-LP transformation, 567

M

Magnetic fi eld, 108, 233

Mag net ism, elect ricit y and, 101–102

Magnitude spectrum, 327–328, 469, 588, 592–593

Mag vector, 595

Mapping, 584, 588

Mass, as unit of measure, 105

Mathematical models, 330

MATLAB statements, 27, 52

Matrices, types of, 56

maxfl at functions, 580–581

Maxima, 26, 323, 331

Maximum power

theorems, 126, 225

transfer, 259–260

Maxwell, James Clark, 102, 116

Mean, 45

Mean square error (MSE), 330

Mechanical energy, 107

Mechanical waveforms, 323

Memoryless systems, 464

Mesh analysis

defi ned, 118

example of, 160–161

parallel RLC, 247

Mesh equations, 248

Metals, 105. See also Copper; Silver

Meters, 109

Minima, 26, 323, 331

Modems, 21

Modern fi lter theory, 561

Modifi ed Yule-Walker equations, 588

Modulating signal, 21, 334. See also Modulation

Modulation

analog signals, 33

angle, 22, 443–447

implications of, 330, 338

theorem, 334, 470

Modulator-demodulator. See Modems

Movie frames, 57

Moving averages, 76, 79–80

Multidimensional signals, 2

Multiple-band regions, 565

Multiplexing, 21, 45, 88–90

Multiplier, 458

Musschenbrock, Pieter van, 101

N

Neper frequency, 132, 134, 197, 201

Neperian constant, 14

Network

current laws, 102

power triangle, 225, 242

time constant, 127

Neutral displacement voltage, 263

Neutron, discovery of, 104

Newtons, 105

Node analysis, 117–118

Node equation

applications, 135, 251–252, 320, 359

polyphase generator system, 263–264

solution, 122

technique, 250–252

Noise-reducing devices, 569

Noise signal, 76–80

Noncausal sequence, 22

Noncausal system, 350

Nondecaying oscillations, 349

Nonorthogonal signals, 2

Nonperiodic function

implications of, 330, 339

frequency domain, 336

Laplace transform (LT), 367–368

Nonperiodic signals, time, 2, 26, 321

Nonplanar networks, 118

Nonrandom signals, 45

Normalized analog LPFs

analog Chebyshev, 575–576

analog elliptic, 578

Bessel, 579

Normalized frequencies, discrete system, 459

Normalized LP fi lters

Butterworth fi lter, 616

characteristics of, 566–567

LP-FIR fi lters, examples, 638–641

transformation, 568

Normalized multilevel fi lter, 595

Normalized passive fi rst-order fi lters

HPF, 571

LPF, 570–571

Norton’s theorem, 119–120, 225, 252, 254–255

Nuclear energy, 107

numz function, 585

CRC_47760_Index.indd 680CRC_47760_Index.indd 680 7/18/2008 3:10:51 PM7/18/2008 3:10:51 PM