PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB
570 Practical MATLAB® Applications for Engineers The OA is basically a voltage amplifi er with a large open-loop gain (about 10^ ...
Analog and Digital Filters 571 Observe that the effect of the inductor in an LPF can be replaced by a capacitor. R.6.47 Examples ...
572 Practical MATLAB® Applications for Engineers FIGURE 6.11 Typical active fi lter structures and its respective transfer funct ...
Analog and Digital Filters 573 R.6.54 Practical fi lters often used in applications (appliances) are named after the research- e ...
574 Practical MATLAB® Applications for Engineers H(jw)a 1 1 2 12 w wp n / Table 6.3 provides t ...
Analog and Digital Filters 575 R.6.56 Observe also that the two parameters that completely specify the Butterworth fi lter are T ...
576 Practical MATLAB® Applications for Engineers ripple in the stop band and a smooth gain with maximum fl atness in the pass ba ...
Analog and Digital Filters 577 The Chebyshev polynomial coeffi cients Cn(x) oscillate between –1 and 1, and can be generated by ...
578 Practical MATLAB® Applications for Engineers R.6.64 Bessel fi lters, also known as linear-phase fi lters, present a linear-p ...
Analog and Digital Filters 579 FIGURE 6.17 (See color insert following page 374.) Magnitude plots of normalized analog Bessel LP ...
580 Practical MATLAB® Applications for Engineers MATLAB offers a number of functions that can be used in the analysis and syn- t ...
Analog and Digital Filters 581 R.6.69 The following example illustrates the case where the desired transfer function of an LP Bu ...
582 Practical MATLAB® Applications for Engineers The variables used in the preceding function fi les are defi ned as follows: z ...
Analog and Digital Filters 583 R.6.77 The MATLAB function [numL, demL] = lp2lp (numN, denN, wc) is used to transform a normalize ...
584 Practical MATLAB® Applications for Engineers b. Transform the analog fi lter into its digital version by obtaining the discr ...
Analog and Digital Filters 585 R.6.94 The resulting relation between the analog frequency w and the discrete frequency W is give ...
586 Practical MATLAB® Applications for Engineers R.6.99 The function [pz, zz, kz] = bilinear (pa, za, ka, fs, fc) returns the di ...
Analog and Digital Filters 587 (transformations used for the case of complex poles of H(s)). R.6.106 For example, let the analog ...
588 Practical MATLAB® Applications for Engineers continuous to the discrete domain is done, the fi lter transfer function has to ...
Analog and Digital Filters 589 R.6.112 Recall that an IIR fi lter can be defi ned in the time domain by a difference equation. F ...
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