What is significance of D-frames in video coding
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ECE · all questionsInformation Theory And Coding
Information Theory And Coding
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Which type of ARQ system introduces the transmission delay between the transmitter and receiver before the reception of frame at receiver for the purpose of error detection?
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Which amount the following is capable of correcting any combination of three or fewer errors random errors in a block of 23 bits?
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In dictionary techniques for data compaction, which approach of building dictionary is used for the prior knowledge of probability of the frequently occurring patterns?
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In Repetition Code, how many information bit/s is/are present in addition to n-1 parity bits?
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According to linearity property, the. . . . . . . . of two code words in a cyclic code is also a valid code word.
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A linear Hamming code is used to map 4-bit messages to 7-bit codewords. The encoder mapping is linear. If the message 0001 is mapped to the codeword 0000111, and the message 0011 is mapped to the codeword 1100110, then the message 0010 is mapped to
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The unit of average mutual information is
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The method of converting a word to stream of bits is called as
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A memoryless source emits n symbols each with a probability p. The entropy of the source as a function of n
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Generally, a primitive polynomial of degree 'm' is an irreducible polynomial in such a way that it is a factor of xn + 1, where 'n' = . . . . . . . .
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Which coding technique/s exhibit/s the usability of fixed length codes?
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The capacity of a band-limited additive white Gaussian noise (AWGN) channel is given by bits per second (bps), where W is the channel bandwidth, P is the average power received and σ2 is the one-sided power spectral density of the AWGN. For a fixed the channel capacity (in kbps) with infinite bandwidth (W → ∞) is approximately
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In channel coding theorem, channel capacity decides the . . . . . . . . permissible rate at which error free transmission is possible.
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When the base of the logarithm is e, the unit of measure of information is
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For fixed symbol rate, increase in bits/symbol ultimately improves rb/B bits/s/Hz & hence, regarded as . . . . . . . .
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In Viterbi's algorithm, the selected paths are regarded as . . . . . . . .
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In a linear code, the minimum Hamming distance between any two code words is . . . . . . . . minimum weight of any non-zero code word.
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Which bitmap file format/s support/s the Run Length Encoding (RLE)?
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Self information should be
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