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Write an m-file "sampling.m", which will take as an input: a signal and a sampling step and will display the sampled signal and the magnitude of its Fourier transform. sampling.m
function sampling(x,step) plot(x(1:step:end),'-o') plot(abs(fft(x(1:step:end))))
use x as the input signal
x=(sin([0:pi/8:4*pi]))
Run the function with step=1.Increase the sampling step 2,4,8.... and observe what happens with the spectrum.
What happens with the spectrum as the sampling step increases?
What should be the minimum sampling frequency (maximum sampling step) of a signal?
I want to know latest optimization technique and algorithm for modal reduction and pid controller design
Q. For the configurations of the coupled coils shown in Figure, obtain the voltage equations for v 1 and v 2 .
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When you have a three phase short circuit of power cables laid in a trefoil formation they repel apart very dramatically. Why is this and what is happening?
why we rotate the armature of dc motor in anticlockwise direction
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(a) Describe why ordinary junction transistor is known as bipolar. (b) Describe working of NPN transistor as common Base configuration. Describe working of NPN transistor in
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