Power spectral density function is a?(a) Real and even function(b) Non negative function(c) Periodic(d) All of the mentionedI have been asked this question in an online interview.Enquiry is from Spectral Density and Autocorrelation in section Signals and Spectra of Digital Communications

Power spectral density function is a?(a) Real and even function(b) Non

1.	Power spectral density function is a?(a) Real and even function(b) Non negative function(c) Periodic(d) All of the mentionedI have been asked this question in an online interview.Enquiry is from Spectral Density and Autocorrelation in section Signals and Spectra of Digital Communications
Answer» Right answer is (d) All of the mentioned Explanation: A power signal is periodic signal and its FUNCTION is a REAL EVEN and non negative function as PER the definition.

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Power spectral density function is a?(a) Real and even function(b) Non negative function(c) Periodic(d) All of the mentionedI have been asked this question in an online interview.Enquiry is from Spectral Density and Autocorrelation in section Signals and Spectra of Digital Communications

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