Question

Which among the following parameters do not exhibit better performance in the spectrum analyzer when compared to the FFT technique?

a.

Complexity

b.

Bandwidth

c.

Short signal detection

d.

Power

Posted under Cognitive Radio

Answer: (c).Short signal detection Explanation:Spectrum analyzers are employed for spectrum sensing by tuning to a band with the scan frequency adjusted to dwell at a frequency bin for a desired period. The spectrum analyzer exhibits reduced complexity and power requirements when receiver components are shared. It also scans over large ranges of signals.

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Q. Which among the following parameters do not exhibit better performance in the spectrum analyzer when compared to the FFT technique?

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