1
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Coherent demodulation of FSK signal can be effected using
A
correlation receiver
B
band pass filters and envelope detectors
C
matched filter
D
discriminator detection
2
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Source encoding in a data communication system is done in order to
A
enhance the information transmission.
B
band pass filters and envelope rate detectors.
C
conserve the transmitted power.
D
discriminator detection.
3
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
For a random variable 'X' following the probability density function, p (x), shown in figure, the mean and the variance are, respectively. GATE ECE 1992 Communications - Random Signals and Noise Question 10 English
A
1/2 and 2/3
B
1 and 4/3
C
1 and 2/3
D
2 and 4/3
4
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Given a unity feedback system with open loop transfer function, $$$G\left(s\right)=\frac K{s\left(s+1\right)\left(s+2\right)}$$$ The root locus plot of the system is of the form.
A
GATE ECE 1992 Control Systems - Root Locus Diagram Question 16 English Option 1
B
GATE ECE 1992 Control Systems - Root Locus Diagram Question 16 English Option 2
C
GATE ECE 1992 Control Systems - Root Locus Diagram Question 16 English Option 3
D
GATE ECE 1992 Control Systems - Root Locus Diagram Question 16 English Option 4
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