PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Index 683

Resistor inductor network (RL), 10, 131. See also

RL circuit

Resonant circuits

construction of, 247

quality factor, 225

Resonant frequency, 132, 134, 197, 201, 245–247

Reversal returns, 23

Reverse-wrap-around, 491

Right-sided sequence, 22

Ripple, fi lter transfer function, 562, 565, 573,

575, 581, 583, 588–589, 593

RL circuit

analysis, 358–359

features of, 108, 178–180

parallel, 236–237

series, 128, 236

Root-mean-square (RMS), 225, 228, 230, 326

Rotational symmetry, 329

S

Sampling

frequency, 4, 55, 459, 588

interval, 3–4

period, 3–4, 583–585

process, 8, 338, 587

rate, 3, 44, 499, 585

rules, 458

theorem, 4, 44

Sawtooth waves, 223, 321, 381–388

Scaled frequency, 583

Scanning parameter, 502

Script fi les

audio, 54–55

compare_win, 49–50

disc_imp, 41–42

disc_step, 42–43

exponentials, 15–16

F_ f, 367–369

Hermite, 18–19

Kaisers, 50–51

Laguerre, 19–20

map_pz, 350–351

nyquist_bode, 339, 341–342

plot_ramp, 31–32

rect_pulses, 37–38

sample_cos, 492

sequence_impulse, 27

signal_noise, 53

sinc_n, 20

sincs, 34–36

solve_DE, 365–367

specgrph, 372

specpsd, 369–370

specpsol, 370–371

squares, 32–33

step_imp, 554

sym_z_plots, 486–487

triang, 36–37

triangles, 34

triang-pulses, 39–40

window, 48

win_tri_rect_bar, 51–52

s-domain

fi lter transfer function, 586

time signals model, 320–321, 436–437

Searching parameter, 502

Second-order fi lters

defi ned, 569

examples, 609–617

types of, 572–573

Second-order

linear, homogeneous differential

equation, 134

loop differential equation, 194–195

system, 131–132

Semiconductors, 105 –106

Semilog phase, 339

Series approximation, 326

Series connection, 110–112, 114, 139

Series equivalent resistor, 113

Shifted impulse, 6, 476

Shifted sequences, 471

Shifted step sequence, 11

Shifting operations, 493

Short circuit, 125

Siemen, 235

sign(t) function, 29–30

Signals, classifi cation of, 2

signum(t), 29

Silicon (Si), 106

Silver, 105

Simple-system structures, 478

Sinc family, 20

sinc function, 20, 34

Sine function, 226, 252, 321, 491

Single input-single output (SISO) systems,

457–458, 460

Single signals, 2

Single source networks, 119, 124

Singular functions, 10

Sinusoid AC voltage, 226

Sinusoid sequence, exponential discrete

modulated, 21

Sinusoidal frequency, 323

Sinusoidal function, 16–17, 73, 131–132, 223, 248,

320, 370

CRC_47760_Index.indd 683CRC_47760_Index.indd 683 7/18/2008 3:10:51 PM7/18/2008 3:10:51 PM