1
GATE ECE 2017 Set 2
Numerical
+2
-0
A modulating signal given By $$x\left(t\right)=5\sin\left(4\mathrm\pi10^3\mathrm t\;-\;10\mathrm{πcos}2\mathrm\pi10^3\mathrm t\right)$$ V is fed to a phase modulator with phase deviation constant kp=0.5rad/V. If the carrier frequency is 20 kHz, the instantaneous frequency (in kHz) at t = 0.5 ms is __________
Your input ____
2
GATE ECE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following graphs shows the Shannon capacity (channel capacity) in bits of a memory less binary symmetric channel with crossover probability P?
A
GATE ECE 2017 Set 2 Communications - Fundamentals of Information Theory Question 20 English Option 1
B
GATE ECE 2017 Set 2 Communications - Fundamentals of Information Theory Question 20 English Option 2
C
GATE ECE 2017 Set 2 Communications - Fundamentals of Information Theory Question 20 English Option 3
D
GATE ECE 2017 Set 2 Communications - Fundamentals of Information Theory Question 20 English Option 4
3
GATE ECE 2017 Set 2
Numerical
+1
-0
A sinusoidal message signal is converted to a PCM signal using a uniform quantizer. The required signal to quantization noise ratio (SQNR) at the output of the quantizer is 40dB. The minimum number of bits per sample needed to achieve the desired SQNR is ________ .
Your input ____
4
GATE ECE 2017 Set 2
MCQ (Single Correct Answer)
+2
-0.6
Consider a binary memoryless channel characterized by the transition probability diagram shown in the figure. GATE ECE 2017 Set 2 Communications - Fundamentals of Information Theory Question 8 English The channel is
A
Lossless
B
Noiseless
C
Useless
D
Deterministic
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12