Page 483 - Schaum's Outline of Theory and Problems of Signals and Systems

470 Index

Systems (continued)
linear time-invariant (LTI), 18, 56
memoryless, 17
stable, 19
time-invariant and time-varying, 18
with and without memory, 17, 58, 63
System function
continuous-time LTI systems, 121, 143, 374
discrete-time LTI systems, 175, 194, 373
System representation, 16
System response, 302

T
Testing function, 7
3-dB bandwidth, 230
Time convolution theorem, 221, 255
Time delay, 225
Time-invariance, 61
Time-invariant systems, 18
Time reversal, 117, 172, 220, 295, 307
Time scaling, 116, 219, 296
Time shifting, 116, 171, 219, 295, 306
Time-varying systems, 18
Transfer function, 121
Transform circuits, 125
Transforms (see Fourier, Laplace, etc.)
Two-sided signal, 114

U
Uniform sampling theorem, 281
Unilateral Laplace transform, 124, 148
Unilateral z-transform, 177, 202
Unit, advance, 171
Unit circle, 167, 176
Unit-delay, 171
Unit-delay element, 46
Unit impulse function, 6
Unit impulse sequence, 12
Unit ramp function, 45
Unit sample response, 61 (See also Impulse response)
Unit sample sequence (see Unit impulse sequence)
Unit step function, 6, 37
Unit step sequence, 12

Z
z-plane, 166
z-transform
bilateral (or two-sided), 165
definition, 165
inverse, 173
properties, 171, 184
region of convergence (ROC), 166
tables, 170, 173
unilateral (or one-sided), 177, 202
Zero-input response, 60