Question

____ is used to reduce inter-symbol interference.

a.

Root raised cosine filter

b.

Sinc filter

c.

Root raised sinc filter

d.

Cosine filter

Posted under Cognitive Radio

Answer: (a).Root raised cosine filter Explanation:The raised cosine filter is an implementation of Nyquist low pass filter. It is used for pulse shaping and to minimise inter-symbol interference. It derives its name from the frequency spectrum which resembles a cosine function.

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Q. ____ is used to reduce inter-symbol interference.

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