Briefly Give one to two line logical answer to the following Question (a)IN PCM How the parameters...

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Electrical Engineering

Briefly Give one to two line logical answer to thefollowing Question
(a)IN PCM How the parameters fieldlity bandwidth and time delaycan be traded off?
(b)If the number of bits in signal to noise ration is increasedwhat will be its effect?How to reduce signal to noise ratio?Ifnumber of bits are incraesed signal to noise ratio is decrease?
(c)non unform quantization is better than uniformquantization?
(d)Why is it often preffered to use units of normalizedbandwidth,WT,comapred with bandwidth alone?
(e)What is the dfference between PCM andPAM?Which one isbetter?
(f)Â Â For a known signal space how you can determinethe number of correlators used at the receiver ?
(g) Which type of binary signaling you prefer to use in digitalcommunication among unipolar , antipodal and orthogonal ?

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3.7 Ratings (642 Votes)

ANSWER A In PCM the process of quantization adds quantization noise to orignal signal So to improve signal quality and reduce noise we need to increase number of quantization levelsMore number of levels will increase data transfer rate this higher data rate will increase bandwidth with See Answer

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