Re: Exam revision


tuurbo46@xxxxxxxxxxx wrote:
Hi all

Im currently doing some exam revision for my big DSP exam and i cannot
answer one of the revison quesionts. Please could you offers me some
advice, on the pros and cons.

I have encluded the question below

Q) compare and contrast how a DSP algorithm can be implemented using
either filter or DFT - what are the pros and cons?

Hmmm... I am not sure I understand the question. First, "a DSP
algorithm" can be almost anything; filters, correlators, codecs, you
name it. Second, not all such algorithms can be implemented as a
"filter". However, a "filter" can be implemented in time domain or
as a DFT.

All in all, I would take my chances and assume that the question is
intended as something like this:

Q) What are the pros and cons when implementing a filter in time
domain, as compared to implementing it using the DFT?

It was a poorly phrased question.

Rune

.

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