Q. Which waveform scheme introduces bandwidth compression?

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Q. Which waveform type has better noise immunity?

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Q. In pulse modulation, reciprocal of T(time) is

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Q. PCM word size can be described by

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Q. Some of the M-ary waveforms are

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Q. Which method should be implemented for reducing bandwidth?

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Q. In M-ary PPM waveform, modulation is effected by

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Q. For both PPM and PDM _______ is kept constant.

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Q. The method in which small amount of controlled ISI is introduced into the data stream rather than trying to eliminate it completely is called as

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Q. From digital filter we will get the output pulse as the _______ of the current and the previous pulse.

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Q. In duobinary signalling method, for M-ary transmission, the number of output obtained is

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Q. The method using which the error propagation in dubinary signalling can be avoided is

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Q. In precoding technique, the binary sequence is _____ with the previous precoded bit.

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Q. The duobinary filter, He (f) is called as

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Q. The method which has greater bandwidth efficiency is called as

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Q. In polybinary signalling method the present bit of binary sequence is algebraically added with ______ number of previous bits.

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Q. The primary advantage of this method is

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Q. Source encoding procedure does

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Q. Which signals are function of time?

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Q. Auto-correlation function is a

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