PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB
550 Practical MATLAB® Applications for Engineers The partial fraction expansion is: Fz = (5/6-1/426*i*3723311^(1/2))/(z-7/20-1/2 ...
DTFT, DFT, ZT, and FFT 551 Example 5.16 Create the script fi le pole_zeroes that returns the rational transfer function H(z), th ...
552 Practical MATLAB® Applications for Engineers 0 2.3000 -6.3250 54.6006 -192.4085 38.0520 **************************** Coeffic ...
DTFT, DFT, ZT, and FFT 553 MATLAB Solution % Script file: diff _ eq _ res gnpast _ step =0; m=1; for n =0:15; gnstep(m) = 0.5*gn ...
554 Practical MATLAB® Applications for Engineers Example 5.18 Evaluate by hand the transfer function of the difference equation ...
DTFT, DFT, ZT, and FFT 555 >> step _ imp **************************************************************** **************** ...
556 Practical MATLAB® Applications for Engineers fprintf(‘cpu.time = %6.6f\n’,t1); fprintf(‘time elapse =%6.6f\n’,tictoca); disp ...
DTFT, DFT, ZT, and FFT 557 d. g(n) = f(n) + f(n − 1) − f(n + 1) e. g(n) = (^) √ f(n) f. g(n) = |ƒ(n)| P.5.2 Let the impulse res ...
558 Practical MATLAB® Applications for Engineers P.5.12 Determine the discrete FS coeffi cients of the following periodic series ...
DTFT, DFT, ZT, and FFT 559 P.5.19 The ZT of the right-sided sequence f(n) is given by Fz z zz () . ()(.) 102 1 031 1 ...
560 Practical MATLAB® Applications for Engineers d. the ROC e. the magnitude and phase plots of H(z) f. the magnitude of its pol ...
561 6 Analog and Digital Filters The world we have created today has problems which cannot be solved by thinking the way we thou ...
562 Practical MATLAB® Applications for Engineers In practice, the magnitude response characteristics in the pass and stop band(s ...
Analog and Digital Filters 563 Transform a prototype to any fi lter specs (denormalized process) Understand the concept of disto ...
564 Practical MATLAB® Applications for Engineers R.6.10 A real fi lter presents three bands (for an LPF), which is illustrated i ...
Analog and Digital Filters 565 R.6.16 The magnitude plot is usually given in decibels. Recall that a positive value in deci- bel ...
566 Practical MATLAB® Applications for Engineers R.6.25 The design of any of the fi lters defi ned in R.6.22 is accomplished by ...
Analog and Digital Filters 567 R.6.27 Once a normalized LPF prototype is obtained (wnp = 1 rad/s and load R 0 = 1 Ω), the denorm ...
568 Practical MATLAB® Applications for Engineers For example, the LP-to-HP transformation means that the s’s in the transfer fun ...
Analog and Digital Filters 569 R.6.37 Clearly, the higher the order (n), the better the approximation. Higher-order fi lters imp ...
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