Engineering, 21.11.2019 20:31, alexisscalera7
Let x[n] = cos(17 pi n/64) + 2 sin(23 pi n/32) for 0 less than or equal to n less than or equal to 255, and 0 otherwise. the signal x[n] is passed through an lti system with transfer function h(z) = (1 - 1/2z^-1)(1 - 1/3z^-1). denote the signal at the output of the system by y[n]. we want to recover rr[n] by passing y[n] through an inverse system. (a) find (analytically) an impulse response g[n] of the inverse system, g(z) = 1/h(z). (b) apply a rectangular window of length m = 8, w[n] = {1 0 less than or equal to n less than or equal to 7, 0 otherwise, to obtain an fir filter r[n] = g[n]. w[n]. using matlab, plot the frequency response of the fir filter (useful command: fft). compare it (on the same graph) with the frequency response of the iir inverse system (useful command: freqz). is m = 8 an appropriate choice? (c) compute x^[n] = r[n] * y[n]. plot x[n], y[n], and x^[n] - x[n]. (you may use command subplot(2, 2, -) to plot all graphs in a single figure.)
Answers: 2
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:10, Candi9697
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Let x[n] = cos(17 pi n/64) + 2 sin(23 pi n/32) for 0 less than or equal to n less than or equal to 2...
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