Question

Which among the following is not a limitation of employing FFT?

a.

Wideband ADC is required

b.

Restriction on bandwidth

c.

Increased energy demand

d.

High delay

Posted under Cognitive Radio

Answer: (d).High delay Explanation:FFT operation demands wideband ADC and extensive digital signal processing. The ADC imposes restrictions on the instantaneous bandwidth. The energy usage is increased due to the high amount of digital signal processing.

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Q. Which among the following is not a limitation of employing FFT?

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