Suppose the impulse response of an ideal discrete-time lowpass filter with cutoff
Chapter 7, Problem 7.18(choose chapter or problem)
Suppose the impulse response of an ideal discrete-time lowpass filter with cutoff frequency 1r12 is interpolated (in accordance with Figure 7 .37) to obtain an upsampling by a factor of 2. What is the frequency response corresponding to this upsampled impulse response?
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