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Sampled Data Systems
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A/D converter amplitude analysis antenna Appendix approximation assume bandwidth block diagram Butterworth Chapter characteristic equation characteristic polynomial coefficients compensation consider continuous signal control law control system corresponding covariance curve define delay derived described design methods difference equation digital control discrete equivalent discrete signals discrete system discrete transfer function dynamic response effects example feedback filter finite first-order first-order hold gain given impulse integral inverse Laplace transform least squares loop magnitude matrix noise nonsingular obtain optimal control output overshoot parameters phase margin plant plot pole-zero mapping poles and zeros problem quantization rectangular rule result root locus roundoff sample rate sampling period second-order system shown in Fig solution solve specifications stable steady-state error step response substitute Suppose techniques tion transfer function transient trapezoid unit circle unit pulse response variable vector z-plane z-transform zero-order hold