1) i) Suppose we design a discrete-time filter using the impulse invariance technique with an ideal...
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1) i) Suppose we design a discrete-time filter using the impulse invariance technique with an ideal continuous-time lowpass filter as a prototype. The prototype filter has a cutoff frequency of 2 = 27(1000) rad/s and the impulse invariance transformation uses T = 0.2 ms. What is the cutoff frequency o̟ for the resulting discrete-time filter? ii) We wish to design a discrete-time lowpass filter using the bilinear transformation on a continuous-time ideal lowpass filter. Assume that the continuous-time prototype filter has cutoff frequency 2, = 27(2000) rad/s and we choose the bilinear transformation parameter T = 0.4 ms. %3D What is the cutoff frequency w, for the resulting discrete-time filter? 1) i) Suppose we design a discrete-time filter using the impulse invariance technique with an ideal continuous-time lowpass filter as a prototype. The prototype filter has a cutoff frequency of 2 = 27(1000) rad/s and the impulse invariance transformation uses T = 0.2 ms. What is the cutoff frequency o̟ for the resulting discrete-time filter? ii) We wish to design a discrete-time lowpass filter using the bilinear transformation on a continuous-time ideal lowpass filter. Assume that the continuous-time prototype filter has cutoff frequency 2, = 27(2000) rad/s and we choose the bilinear transformation parameter T = 0.4 ms. %3D What is the cutoff frequency w, for the resulting discrete-time filter?
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Related Book For
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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