Q. What are the main features of a transmitter?

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Q. Transmission media used in low frequency band are

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Q. Transmission media used for medium frequency band are

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Q. Matched filter technique is used to

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Q. Matched filter can also be used as least squares estimator.

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Q. Digital communication system can handle

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Q. The information source of a digital communication system can be

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Q. Which are the common transmission media used in digital communication system?

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Q. The basic transmission-reception system is a ______ system.

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Q. Modulation channel consists of

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Q. Modulation channel does not accept an analog input signal.

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Q. If operating frequency bands are higher ______ is available.

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Q. Ground wave communication occurs in

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Q. Sampling theorem is used for converting

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Q. A signal can be recovered from its sample by using

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Q. Which is practically realizable?

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Q. In flat top sampling scheme, ______ is kept constant after sampling.

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Q. Loop filter is a ______ used to reduce noise.

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Q. A stationary stochastic process has

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Q. The power spectral density function of the stochastic process is

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