Q. The sample from the demodulation process consists of sample which is _______ to energy of the received symbol and _____ to noise.

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Q. The average noise power of white noise is

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Q. The channel may be affected by

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Q. Channels display multi-path due to

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Q. The method in which the tail of one pulse smears into adjacent symbol interval is called as

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Q. If each pulse of the sequence to be detected is in _____ shape, the pulse can be detected without ISI.

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Q. What is symbol rate packing?

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Q. A nyquist pulse is the one which can be represented by _____ shaped pulse multiplied by another time function.

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Q. Examples of nyquist filters are

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Q. The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is

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Q. Roll off factor is the fraction of

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Q. Which value of r (roll off factor) is considered as Nyquist minimum bandwidth case?

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Q. A pulse shaping filter should satisfy two requirements. They are

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Q. Examples of double side band signals are

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Q. The likelihood ratio test is done between

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Q. According to the rule of minimizing the error probabilities, the hypothesis should be like if the priori probabilities are ________ than the ratio of likelihoods.

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Q. The detector that minimizes the error probability is called as

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Q. For a M-ary signal or symbol the number of likelihood functions are

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Q. An error in binary decision making occurs when the channel noise is

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Q. Optimum threshold value is given by

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