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When the input to an LTI system is
(a) Find the system function H (z) of the system. Plot the poles and zeros of H (z), and indicate the ROC.
(b) Find the impulse response h[n] of the system.
(c) Write the difference equation that characterizes the system.
(d) Is the system stable? Is it causal?
Which is the best alternative to buying a machine assuming an interest rate of 4% and a time span of 6 years. Compare using Present Values. A: Buy new machines for $25k. They earn $5k per year and their maintenance costs are $125 per year.
The operational life of magnetic disks can be modeled by a Weibull distribution. Consider the following data that represent the life of packaged magnetic disks exposed to corrosive gases (in hours): 4, 86, 335, 746, 80, 1510, 195, 562, 137 1574, 7..
drivers are concerned with the mileage obtained by their cars. one driver has kept track of several tankful of
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
The other one is ON when the light sensor sees 10% more brightness than the left sensor. The third one goes ON if the brightness at the left sensor is in the range of -+10% of the right-light sensor.
(a) Plot the spectrum of the Fourier series. (b) Determine the trigonometric Fourier series coecients for the first 6 harmonics. (c) Determine the total power of x(t) for the first 6 harmonics (d) How much of the total power of x(t) is in the DC harm..
Consider the function f=w1'w2'+w2'w3'+w1w2w3. Give a circuit that implements f using the minimal number of two-input LUTs. Show the truth table implemented inside each LUT.
an accelerometer has a seismic mass of 0.05kg and a spring constant of 3 x 103 nm. maximum mass displacement of 0.02m
The 3phSM is used in a pumped storage application which has a head of 250 m. When pumping or generating, it operates at 84% efficiency, rated stator conditions. Determine the turbine flow when (1) generating and (2) pumping.
What is the magnitude of the repulsive force between
Given the vector field F(x,y,z) = 2zi + (x+y)j - yzk. S (oriented upward) is the part of the plane x + y + z = 1 above the triangular region with vertices (0,0,0), (1,0,0) and (0,1,0) and C is the boundary of S with positive (counterclockwise) o..
A system samples a sinusoid of frequency 480 Hz at a rate of 100 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will generate in its output.
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