Problem 2 (25%) Recreate the following piece-wise signal x in Simulink using if - elseif and relat Scope File Tools View Simulation Help Sample based Offset Consider a time vector ranging from 0 to 12, in steps of 0.1.
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First, we need to create a time vector ranging from 0 to 12 in steps of 0.1. To do this, we can use the "Time Vector" block in Simulink. Show more…
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Sri K.
Part A: Ramp/Unit Step Functions Write a function ustep(t) for the unit step function. Write a function uramp(t) for the unit ramp function. Plot the following continuous-time signals over -10 <= t <= 10: u(t) r(t) 5u(t - 2) 3r(t + 5) y(t) = 3r(t + 3) - 6r(t + 1) + 3r(t) - 3u(t - 3) y(t) = 2r(t + 2.5) - 5r(t) + 3r(t - 2) + u(t - 4) y(t) = sin(t) * [u(t + 3) - u(t - 3)]
Then we measure a signal on the other body part, foot, which is a composite signal of the transferred 20 sinusoids through the person's body. You can see the measured signal below and also in the provided file 'output.mat'. For the body composition analysis, we send 20 sinusoidal signals into a person's hand (see the figure on the right), where the intensities of all sinusoids are '1' and their frequencies vary from 11Hz to 30Hz. In addition, the number of data points varies from 20 to 0.01s to 0.2s. Consider the output as a linear combination of the 20 sinusoids with absorption rates for the different frequency components, which is defined by the person's body components. t = 0.01:0.01:0.2; freq = 11:30; cos(2*pi*freq(i)*t) With the linear inverse problem approach, find the 20 absorption rates of the person's body for the 20 frequency sinusoids.
Akash M.
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