The ______ of out-of-band signal with bandpass characteristic of the receiver gives the interference in the receiver owing to out-of-band energy at the transmitter.(a) correlation(b) correlation and convolution(c) integral(d) convolutionI had been asked this question in an online interview.This interesting question is from RF and IF Processing Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio

The ______ of out-of-band signal with bandpass characteristic of the r

1.	The ______ of out-of-band signal with bandpass characteristic of the receiver gives the interference in the receiver owing to out-of-band energy at the transmitter.(a) correlation(b) correlation and convolution(c) integral(d) convolutionI had been asked this question in an online interview.This interesting question is from RF and IF Processing Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio
Answer» Correct answer is (d) convolution The best EXPLANATION: The convolution of out-of-band SIGNAL with bandpass CHARACTERISTIC of the receiver gives the interference in the receiver owing to out-of-band energy at the transmitter.This type of interference can AFFECT the roll-offs. Frequency separation is employed to SUPPRESS this type of interference.

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