Introduction to Digital Signal and System Analysis - Tutorsindia
Introduction to Digital Signal and System Analysis - Tutorsindia
Introduction to Digital Signal and System Analysis - Tutorsindia
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<strong>Introduction</strong> <strong>to</strong> <strong>Digital</strong> <strong>Signal</strong> <strong>and</strong> <strong>System</strong> <strong>Analysis</strong><br />
Z Domain <strong>Analysis</strong><br />
By considering the pole locations of the associated transfer function, determine the ranges of the real numbers α <strong>and</strong><br />
β for which the system can be stable <strong>and</strong> find the poles <strong>and</strong> zeros.<br />
Q5.9 A digital filter has the transfer function:<br />
z<br />
H ( z)<br />
= z +α<br />
Describe the frequency characteristic with reference <strong>to</strong> the range of values of α for which the system is stable.<br />
Q5.10 A digital system has the transfer function:<br />
H<br />
2<br />
z<br />
z)<br />
= z − 0.8<br />
(<br />
2<br />
Sketch the magnitude of its frequency response H (W)<br />
over 0 < W < p .<br />
Q5.11 sketch the magnitude <strong>and</strong> phase for the frequency responses of filters:<br />
a)<br />
H ( z)<br />
=<br />
2<br />
z<br />
z<br />
−1.36z<br />
+ 0.922<br />
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