Question: MATLAB problem IIR Filter Homework Assignment 1. Design a IIR filter for the following specifications (Use the Butterworth or Elliptic filter): the relative specification is

MATLAB problem MATLAB problem IIR Filter Homework Assignment 1. Design a IIR filter for

IIR Filter Homework Assignment 1. Design a IIR filter for the following specifications (Use the Butterworth or Elliptic filter): the relative specification is provided as R, -ldB, R,-20dB. Determine the filter type (high, low, or band pass) and the frequency edges base on part 2. (You can use buttord or ellipord to help esigning). 2. Use the filter above to remove the 450H: component from the signal below. Fs-2000; t= 0:( IFs): 1 ; s-100*sin (2"pi*t*200) + 10*sin (2"pi*t*450) 3. Show the signal before and after filtering. 4. Show the normalized FFT of the signal before and after filtering

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