Q. The filter which is used to recover the pulse with less ISI is called as

View solution

Q. The composite equalizing filter is the combination of

View solution

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

View solution

Q. The average noise power of white noise is

View solution

Q. The channel may be affected by

View solution

Q. Channels display multi-path due to

View solution

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

View solution

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

View solution

Q. What is symbol rate packing?

View solution

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

View solution

Q. Examples of nyquist filters are

View solution

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

View solution

Q. Roll off factor is the fraction of

View solution

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

View solution

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

View solution

Q. Examples of double side band signals are

View solution

Q. The likelihood ratio test is done between

View solution

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.

View solution

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

View solution

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

View solution