Page 482 - Schaum's Outline of Theory and Problems of Signals and Systems

Index 469

Signals (continued)
time-limited, 113
two-sided, 114
Signum function, 254
Similar matrices, 368
Similarity transformation, 367, 436
Simulation, 303, 337
by bilinear transformation, 340
canonical, 384, 386
impulse-invariance method, 339
Singular matrix, 435
Sinusoidal sequences, 16
Sinusoidal signals, 11, 27, 29
Spectral coefficients, 289
Spectral decomposition, 372, 377, 442
Spectrum (or spectra), 216
amplitude, 214
discrete frequency, 214
energy-density, 222
Fourier, 216
line, 214
magnitude, 216
phase, 214, 216
s-plane, 111
Stability
asymptotical, 373, 377
bounded-input / bounded-output (BIBO), 19, 59, 64, 79, 99, 122, 145, 176, 199
Stable systems, 19
State, 365
State equations
continuous-time, 374, 388, 409
discrete-time, 371, 382, 394
State space, 365
State space representation
continuous-time LTI systems, 368
discrete-time LTI systems, 366
canonical
the first form, 384, 390
the second form, 386, 392
State-transition matrix, 371, 376
State variables, 365
State vectors, 366, 369
Step response, 58, 63
Stop band, 227
Superposition property, 18
Systems
causal and noncausal, 17
continuous-time and discrete-time, 17
continuous-time LTI, 110
described by difference equations, 65, 100
described by differential equations, 60, 83
discrete-time LTI, 165
feedback, 19
invertible, 55
linear and nonlinear, 18