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Communications
Analog Communication Systems
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Digital Communication Systems
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Random Signals and Noise
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Fundamentals of Information Theory
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Noise In Digital Communication
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1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
Compression in PCM refers to relative compression of
A
higher signal amplitudes
B
lower signal amplitudes
C
lower signal frequencies
D
higher signal frequencies
2
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
For a given data rate, the bandwidth Bp of a BPSK signal and the band width B0 of the OOK signal are related as
A
Bp = B0/4
B
Bp = B0/2
C
Bp = B0
D
Bp = 2B0
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a PCM system with uniform quantization, increasing the number of bits from 8 to 9 will reduce the quantization noise power by a factor of
A
9
B
8
C
4
D
2
4
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A deterministic signal has the power spectrum given in figure. The minimum sampling rate needed to completely represent this signal is GATE ECE 1997 Communications - Digital Communication Systems Question 59 English
A
1 KHz
B
2 KHz
C
3 KHz
D
None of the above
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Questions Asked from Marks 1
GATE ECE 2024 (1) GATE ECE 2022 (2) GATE ECE 2017 Set 1 (2) GATE ECE 2016 Set 2 (1) GATE ECE 2016 Set 1 (1) GATE ECE 2015 Set 3 (1) GATE ECE 2014 Set 1 (1) GATE ECE 2013 (1) GATE ECE 2004 (2) GATE ECE 2002 (1) GATE ECE 2001 (1) GATE ECE 1998 (4) GATE ECE 1997 (2) GATE ECE 1995 (2) GATE ECE 1994 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics