Determine whether the discrete signals below are periodic
Determine whether the discrete signals below are periodic. If the signal is periodic, determine the number of samples per period.(a) x[n]=cos(πn)(b) x[n]= -3sin(.01πn)(c) x[n]= 1+cos((πn)/2)
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Determine the pH of a solution with .12M of sodium acetate at 25 degrees C. Ka=1.8x10^-5
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Group and phase velocity in uniaxial crystals: a. Derive an expression for the group velocity of the extraordinary wave in a uniaxial crystal as a function of the polar angle of the propagation vector.
Determine whether the discrete signals below are periodic. If the signal is periodic, determine the number of samples per period. (a) x[n]=cos(πn) (b) x[n]= -3sin(.01πn) (c) x[n]= 1+cos((πn)/2)
A continuous-time signal x(t)=cos(2πt) is sampled every T seconds, resulting in a discrete-time signal x[n] = x(nT) . Determine whether the sampled signal is periodic and if the signal is periodic, determine the number of samples in the fundame
A proton moves around a circular path ( radius = 2.0 mm ) in a uniform .25-T magnetic field. what total distance does this proton travel during a 1.0-s time interval
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