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Consider the sequence
x(k) = cos(k pi /6).
Find the transfer function and the difference equation for a 2nd -order FIR filter that has unity d.c. gain, but for which the given input x(k) produces zero forced response. (Your filter will have a "notch" at the given frequency, and H(1) =1.)
Find the transfer function and the difference equation for a stable 2nd -order filter that has unity d.c. gain, but for which the given input x(k) produces a large forced response. (Your filter will have a lightly damped resonance at the given frequency, and H( 1) =1.) Plot the frequency response of each filter. Program the corresponding difference equations and plot the response of each filter to the input sequence
x(k) = cos(k pi /6) + 1.
Make sure the time-domain results are consistent with the frequency response plots.
(a) Determine the minimum required sampling rate fsamp(min). Hence, use twice this value. (b) Draw a block diagram of the system indicating the requirements of each block. (c) Design and write the difference equations of the digital filters needed.
A 6-bit DAC has an input 1001012 and uses a 10.0-V reference.
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Will the electric field inside change (how much if yes)? Will the stored energy in the capacitor change (how much if yes)?
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A 100-KVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: RH= 1.5 ohm ,XH= 2.8 ohm , RL=15 m omh XL = 2.m ohm, ,RcH=3 k ohm, XmH = 5k ohm. The transformer delivers 85% of the rated load at a terminal voltage of 110V
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