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

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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

The question was asked by my college director while I was bunking the class.

I would like to ask this question from Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio

1 Answer

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Correct option is (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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