1
GATE ECE 1999
+2
-0.6
The input to a matched filter is given by $$s(t) = \left\{ {\matrix{ {10\sin (2\pi \times {{10}^6}t),} & {0 < \left| t \right| < {{10}^{ - 4}}\sec } \cr 0 & {Otherwise} \cr } } \right.$$

The peak amplitude of the filter output is

A
10 Volts
B
5 Volts
C
10 millivolts
D
5 millivolts
2
GATE ECE 1993
Subjective
+2
-0
Sketch the waveform (with properly marked axes) at the output of a matched filter matched for a signal s(t), of duration T, given by $$s(t) = \left\{ {\matrix{ {A\,\,\,\,for} & {0 \le t < {2 \over 3}T} \cr {0\,\,\,\,\,\,for} & {{2 \over 3}T \le t < T} \cr } } \right.$$
3
GATE ECE 1991
+2
-0.6
The pole-zero pattern of a certain filter is shown in the Fig. The filter must be of the following type.
A
low pass
B
high pass
C
all pass
D
band pass
4
GATE ECE 1990
+2
-0.6
The magnitude and phase transfer functions for a distortionless filter should respectively be:
A
Magnitude = Linear, Phase = Constant
B
Magnitude = Constant, Phase = Constant
C
Magnitude =Constant , Phase = Linear
D
Magnitude = Linear, Phase = Linear
EXAM MAP
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