Suppose that we have an ideal discrete-time lowpass filter with cutoff frequency c = /4. In
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Suppose that we have an ideal discrete-time lowpass filter with cutoff frequency ωc = π/4. In addition, we are told that this filter resulted from applying impulse invariance to a continuous-time prototype lowpass filter using T = 0.1 ms. what was the cutoff frequency Ωc for the prototype continuous-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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