1
GATE ECE 2014 Set 1
Numerical
+1
-0
In a code - division multiple access (CDMA) system with N = 8 chips, the maximum number of users who can be assigned mutually orthogonal signature sequences is _______.
Your input ____
2
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
The bit rate of a digital communication system is R kbits/s. The modulation used is 32-QAM. The minimum bandwidth required for ISI free transmission is
3
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
In the output of a DM speech encoder, the consecutive pulses are of opposite polarity during time interval t1 $$ \le $$ t $$ \le $$ t2. This indicates that during this interval
4
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor
GATE ECE Subjects
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Control Systems
Engineering Mathematics
Analog Circuits
Network Theory
Electromagnetics
Electronic Devices and VLSI
Digital Circuits
Microprocessors
Signals and Systems
Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Representation of Continuous Time Signal Fourier Series Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Continuous Time Linear Invariant System Discrete Time Signal Z Transform Sampling
Communications
General Aptitude