Signals and Systems
1
GATE ECE 2009
MCQ (Single Correct Answer)
+2
-0.6
An LTI system having transfer function $${{{s^2} + 1} \over {{s^2} + 2s + 1}}$$ and input x(t) = sin (t + 1) is in steady state. The output is sampled at a rate $${\omega _s}\,\,rad/s$$ to obtain the final output {y(k)}. Which of the following is true?
2
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
A Hilbert transformer is a
3
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the following scheme, if the spectrum M(f) of m(t) is as shown, then the spectrum Y(f) of y(t) will be:
A
B
C
D
4
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
As x is increased from $$ - \infty \,\,to\,\infty $$, the function $$f(x) = {{{e^x}} \over {1 + {e^x}}}$$
Questions Asked from Marks 2
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