I have a digital signal that was made from analog one by staggering sampling rate:

$\tau_i = \begin{cases}\tau_{even}& \text{if } i = 2n\\ \tau_{odd} & \text{if } i = 2n+1\end{cases}$

And I have a simple correlative filter, for example, smoothing filter

[1, -2, 1]

How should I calculate frequency response of such a filter?

  • $\begingroup$ Has the analog signal been bandlimited before sampling? $\endgroup$ – Jazzmaniac Jul 14 '15 at 17:56

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