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Explain QPSK is better than PSK?
digital communication updated 2.8 years ago by Krishna_Agrawal • 2.7k
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(Duplicate) Draw the block diagram for FH-SS system and explain the working. Differentiate between slow frequency hopping and fast frequency hopping.
digital communication updated 2.9 years ago by binitamayekar ★ 6.7k
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Compare systematic and Nonsystematic code
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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Shanon Fano coding
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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Draw and explain QAM / QASk / QPASK in detail.
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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For $g(P) = P^3 + P^2 + 1$. Design encoder, syndrome calculator and obtain syndrome for received codeword 1 0 0 1 0 1 1.
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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Explain the central limit theorem
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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Given $g_1 = (1 0 1), g_2 = (1 0 0) g_3 = (1 1 1)$
digital communication updated 2.9 years ago by teamques10 ★ 69k
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8.7k
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What are different types of spread spectrum. Explain DSSS in detail.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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Explain FHSS different types of frequency hoping, advantages, disadvantages, Applications of FHSS system.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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Explain the meaning of equalizer.How is equalization achieved.with the help of neat block diagram explain tapped delay line equalizer.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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State and explain maximum likelihood decision rule.Explain the function of correlator receiver.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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State and explain the condition for orthogonality of BFSK signal determine its spectrum and hence bandwidth requirement for transmission of signal.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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Derive the expression for Entropy.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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How is spread spectrum signal different from normal signal.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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2.2k
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Write short note on optimal filter
digital communication updated 2.9 years ago by teamques10 ★ 69k
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3.8k
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1
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Find Probabilities of the below question.
digital communication updated 2.9 years ago by teamques10 ★ 69k
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7.1k
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Compare systematic and nonsystematic codes
digital communication updated 2.9 years ago by pedsangini276 • 4.8k
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1.7k
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Digital Communication Question Paper - Dec 18 - Electronics Engineering (Semester 5) - Mumbai University (MU)
digital communication updated 3.0 years ago by teamques10 ★ 69k
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(Duplicate) Prove that entropy of extremely unlikely messages is zero.
digital communication updated 3.0 years ago by sagarkolekar ★ 11k
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1.2k
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Explain what Doppler shift is.
digital communication updated 3.6 years ago by teamques10 ★ 69k
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564
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Crossover and mutation
digital communication updated 3.6 years ago by teamques10 ★ 69k
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529
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Discontinuous transmission
digital communication updated 3.6 years ago by teamques10 ★ 69k
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1.3k
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Effect of Doppler spread on fast fading and slow fading.
digital communication updated 3.6 years ago by teamques10 ★ 69k
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Explain fading effects due to Doppler spread.
digital communication updated 3.6 years ago by teamques10 ★ 69k
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