Page 479 - Schaum's Outline of Theory and Problems of Signals and Systems

466 Index

Linear system, 18
Linear time-invariant (LTI) system, 18
continuous-time, 56
discrete-time, 61
Linearity, 60, 115

M
Magnitude response, 224, 301
Magnitude spectrum, 216, 293
Matrix (or matrices)
characteristic equation, 435
characteristic polynomial, 435
conformable, 430
constituent, 372, 377, 442
controllability, 406, 417
diagonal, 428
diagonalization, 436
differentiation, 444
eigenvalues, 435
eigenvectors, 435
function of, 437
idempotent, 442
identity (or unit), 429
integration, 444
inverse, 431, 434
minimal polynomials, 440
nilpotent, 399
nonsingular, 367, 435
observability, 406, 418
power, 437
rank, 433
similar, 368
singular, 435
skew-symmetric, 431
spectral decomposition, 372, 377, 442
spectrum, 442
state-transition, 371
symmetric, 431
system, 367
transpose, 431

N
N-dimensional state equations, 367
Nilpotent, 399
Noncausal system, 17
Nonideal frequency-selective filter, 229
Nonlinear system, 17
Nonperiodic (or aperiodic) signals, 5
Nonrecursive equation, 66
Nonsingular matrix, 367
Normalized average power, 5, 32
Normalized energy content, 5
N-point DFT, 305
Nyquist interval, 281
Nyquist sampling rate, 281