PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB
590 Practical MATLAB® Applications for Engineers R.6.120 Type-1 FIR fi lter is defi ned by the following relation: h(n) = h(N − ...
Analog and Digital Filters 591 Observe that at W = 0. H 3 (W = 0 ) = 0. Therefore, this function cannot be used to implement an ...
592 Practical MATLAB® Applications for Engineers H(ejW)^ = h( 0 )e−^2 jW 2 cos( 2 W) + h( 1 )e−jW^22 cos(W) + h( 2 )e−^2 jW H(ej ...
Analog and Digital Filters 593 ANALYTICAL Solution Then using the symmetry conditions and the fact that h( 4 ) must be zero the ...
594 Practical MATLAB® Applications for Engineers R.6.133 The window effect in the time domain is translated in limiting the numb ...
Analog and Digital Filters 595 Any window model can be used as long as its length is L + 1. The MATLAB default window is the Ham ...
596 Practical MATLAB® Applications for Engineers than the equivalent IIR such as adders, multipliers, and delay elements; and is ...
Analog and Digital Filters 597 and the resulting network structure is illustrated in Figure 6.21. Let us equate Equation 6.1 wit ...
598 Practical MATLAB® Applications for Engineers where Z s ss s ss 2 46 3 46 2 (^22) Let Za s ss 2 46 2 (^2) and Zb ...
Analog and Digital Filters 599 Then, H(s) = 4 s (^2) + 6 s 6 s^2 + 9 s is synthesized into the network shown in Figure 6.24. R. ...
600 Practical MATLAB® Applications for Engineers g. Repeat H(f) versus f ∠H(w) versus f H(f)dB versus f (semilog scale) ∠H(f ...
Analog and Digital Filters 601 axis ([-5e4 5e4 0 1.1]) subplot (2,1,2); plot (w/(2*pi),angle(Hlp)*180/pi); xlabel (‘frequency in ...
602 Practical MATLAB® Applications for Engineers FIGURE 6.26 Plots of H(f) using freqs of Example 6.1. 1 0.8 0.6 0.4 0.2 0 5 ...
Analog and Digital Filters 603 FIGURE 6.28 Bode plots of H(w) and ∠H(w) over the range − (^5) (1/(R C)) ≤ w ≤ (^5) (1/(R C ...
604 Practical MATLAB® Applications for Engineers Example 6.2 Given the fi rst-order analog HPF shown in the circuit diagram of F ...
Analog and Digital Filters 605 ANALYTICAL Solution Part (a) Hw Vw Vw R jwC R jw jw RC o i () () () * * * 11 Part (b) Hw ...
606 Practical MATLAB® Applications for Engineers subplot(2,1,1); semilogx(w/(2*pi),db); ylabel(‘magnitude in dbs’); title(‘magni ...
Analog and Digital Filters 607 FIGURE 6.32 Plots of H(f) of Example 6.2. 1 0.8 0.6 magnitude Magnitude of H(f) versus frequency ...
608 Practical MATLAB® Applications for Engineers FIGURE 6.34 Bode plots of H(w) and ∠H(w) over the range − (^5) (1/(R (^) C) ...
Analog and Digital Filters 609 Example 6.3 Given the second-order fi lter shown in Figure 6.37. a. Determine by hand the transfe ...
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