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In order to demonstrate aliasing, make a plot of the signal
x(t) = 3 cos 2π10t - cos 2π30t
which approximates a square wave with W = 30 Hz. If the sample points are taken at
t = 0, 1/60, 2/60, ......... 6/60
corresponding to Ts = 1/(2W), you can see that x(t) could be recovered from those samples. However, if the sample points are taken at
t = 0, 1/40, 2/40, ......... 6/60
corresponding to Ts = 1/(2W) and fs < 2W, a smooth curve drawn through these points will show the effect of aliasing.
A voltage amplifier without feedback has a nominal gain of 500. The gain, however, varies in the range of 475 to 525 due to parameter variations. In order to reduce the per-unit ch
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Question: (a) The forward path transfer function of a unity feedback control system is given by: (i) Draw the labelled block diagram representation of the control system.
How do you size power factor units at 11kV
(a) Consider the following transmission line with the reactance X1 placed across the input. It is being driven with a frequency ω such that the length of the line is λ/4. W
write a short notes on hardness
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