Q. Which block or device does the data compression?

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Q. What is the code rate?

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Q. Pulse shaping is done by which block or system?

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Q. Equalizer is used for?

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Q. Source coding block is used for?

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Q. Which measurement considers phase as an important parameter?

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Q. The size of the alphabet M in symbol is calculated as?

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Q. What is the period of a signal x(t)?

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Q. Which of the given signals are periodic?

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Q. Check whether the signal is periodic or not?

x(t) = cos(4t) + 2sin(8t)

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Q. Find the periodicity of the following signal.

x(t)=cos((2π/7)t)sin((3π/5)t)

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Q. Find the fundamental period of 1+sin^2 (3π/5)n.

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Q. Which signal is called as energy signal?

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Q. Which signal is said to be power signal?

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Q. Continuous Impulse signal is a power or energy signal?

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Q. Discrete impulse signal is a power or energy signal?

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Q. A unit impulse function has?

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Q. Power spectral density function is a?

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Q. Energy spectral density defines

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Q. Power spectrum describes distribution of _________ under frequency domain.

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