Q. The causes for error performance degradation in communication systems are

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Q. Thermal noise in the communication system due to thermal electrons

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Q. White noise has _______ power spectral density.

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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

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Q. The composite equalizing filter is the combination of

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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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