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GATE EC 2022: Communication System Quiz 6 (App update required to attempt this test)
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Question 1
For a 16 ary PSK signals having bit rate equal to 250 kbps the BW efficiency will be?
Question 2
Which one of the following circuits can be used for the purpose of de-emphasis?
Question 3
A dice is thrown 6 times. Getting even numbers is taken as success. The mean of the numbers is taken as success. The mean of the number of success ________(up to two decimal point)
Question 4
A Delta-Modulator has a 10 KHz sinusoidal signal with 1 Volt peak to peak at the input. It is sampled at 10 times the Nyquist rate. The step size required to prevent slope overload is _____mV.
Question 5
Consider a random variable ‘x’ having pdf given by
, otherwise
If random variable ‘y’ is generated such that . The value of is _______.
Question 6
Consider a discrete memory less source with symbols with probabilities, respectively as shown below. Then the entropy H(Y) is _____bits/symbol.
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Nov 30ESE & GATE EC