1
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
A signal having uniformly distributed amplitude in the interval ( -V, +V ) is to be encoded using PCM with uniform quantization. The signal - to - quantizing noise ratio is determined by the
A
dynamic range of the signal
B
sampling rate
C
number of quantizing levels
D
power spectrum of signal
2
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
In a digital communication system, transmissions of successive bits through a noisy channel are assumed to be independent events with error probability p. The probability of at most one error in the transmission of an 8 - bit sequence is
A
$$7\left( {1 - p} \right)/8 + p/8$$
B
$${\left( {1 - p} \right)^8} + 8p{\left( {1 - p} \right)^7}$$
C
$${\left( {1 - p} \right)^8} + {\left( {1 - p} \right)^7}$$
D
$${\left( {1 - p} \right)^8} + p{\left( {1 - p} \right)^7}$$
3
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
A critically damped, continuous-time, second order system, when sampled, will have ( in Z domain)
A
A simple pole
B
double pole on real axis
C
Double pole on imaginary axis
D
a pair of complex conjugate poles
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Consider a characteristic equation given by
s4 + 3s3 + 5s2 + 6s + K + 10 = 0.
The condition for stability is
A
K > 5
B
-10 < K
C
K > -4
D
-10 < K < -4
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