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1. Write a MATLAB or Octave program that, given a sequence, f[k], of samples in the time domain, calculates a filtered output y[k], given by the formula y[k]=-a_2[k-1]-a_1y[k-2]-a_0y[k-3]+b_3f[k]+b_2f[k-1]+b_1f[k-2]+b_0f[k-3]. The values y are outputs, k is an index into a sequence, (so if "now"=k, one sample in the past is k-1), there are coefficient vectors a and b, which can be input parameters to the function. Make up a sequence f. Plot the input f and that output, y.
2. What do we know about the coefficient vectors a, b, if we know the filter is a finite impulse response filter?
3. Use a symmetric sequence for the coefficient sequence b, and zero for the values of the coefficient sequence a. Calculate the FFT of the sequence y, call it Y. Plot the phase of Y vs. frequency.(See https://www.embedded.com/design/real-time-and-performance/4008837/DSP-Tricks-An-odd-way-to-build-a-simplified-FIR-filter-structure for a description of symmetric coefficients.)
To design a "custom" controller to reduce the vibrations of the seat and a PID controller to reduce the vibration of the seat
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a farm equipment manufacturer has a need to actively reduce the vibration of the operators seat using an electrodynamic
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i uploaded the requirments
Write a function named solveSystem that has three inputs: two vectors consisting of coefficients [a b c] of two line equations of the form ax + by = c and a vector of x values.
Write a script that simulates a casino machine. To play a single round on the machine user pays $ 5. Now when the user start the machine, the machine rolls a pair of dice (simulate both dice with help of random number generator) and user only wins..
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an armature-control dc motor is used in a position control system. the transfer functions of the controller and process
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