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  3. 1- aliasing can affect dfts, where higher frequenc

1- Aliasing can affect DFTs, where higher frequency signals can appear as lower frequency signals due...

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Electrical Engineering

1- Aliasing can affect DFTs, where higher frequency signals canappear as lower frequency signals due to the use of an N point DFTthat has a limit to the highest frequency it can detect. Give oneapproach when using a DFT to reduce the potential of aliasing.

2-.   When using the standard MATLAB commands, or thedesign equations, to design an FIR filter why is it a good idea tocheck if the design meets requirements ? Be specific.

3-When using the bilinear transform what is meant by“pre-warping” and why is it necessary ?

4- When using one of the classic filter approximations, whichapproximation should be used if :

  1. the minimum amount of output distortion is desired.

b. the minimum filter order is desired.

5- Give one advantage of using an FIR filter and onedisadvantage of using an FIR filter, when compared to an IIR filterdesign for the same specification.

Advantage:

Disadvantage:

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