Question

____ filter is required to form ____ filter.

a.

Two raised cosine filter, one sinc filter

b.

Two raised sinc filter, one raised cosine filter

c.

Two root raised cosine filter, one raised cosine filter

d.

Two raised cosine filter, one root raised cosine filter

Posted under Cognitive Radio

Answer: (c).Two root raised cosine filter, one raised cosine filter Explanation:Two root raised cosine filter is required to form one raised cosine filter. It may be used to reduce inter-symbol interference. It involves installing one root raised cosine filter at the transmitter and the other filter at the receiver.

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Q. ____ filter is required to form ____ filter.

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