Estimates of message symbol with error correcting codes
Estimates of message symbol without error correcting codes
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Q. Which are called as hard decisions?
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Q. The filter which is used to recover the pulse with less ISI is called as
Q. The composite equalizing filter is the combination of
Q. The sample from the demodulation process consists of sample which is _______ to energy of the received symbol and _____ to noise.
Q. The average noise power of white noise is
Q. The channel may be affected by
Q. Channels display multi-path due to
Q. The method in which the tail of one pulse smears into adjacent symbol interval is called as
Q. If each pulse of the sequence to be detected is in _____ shape, the pulse can be detected without ISI.
Q. What is symbol rate packing?
Q. A nyquist pulse is the one which can be represented by _____ shaped pulse multiplied by another time function.
Q. Examples of nyquist filters are
Q. The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is
Q. Roll off factor is the fraction of
Q. Which value of r (roll off factor) is considered as Nyquist minimum bandwidth case?
Q. A pulse shaping filter should satisfy two requirements. They are
Q. Examples of double side band signals are
Q. The likelihood ratio test is done between
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.
Q. The detector that minimizes the error probability is called as
Q. For a M-ary signal or symbol the number of likelihood functions are
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