IIR Filters Chapter

ECE 2610 Signal and Systems8 1 IIR FiltersIn this Chapter we finally study the general infiniteimpulse response (IIR) difference equation that was men-tioned back in Chapter 5. The Filters will now include both feed-back and feedforward terms. The system function will be arational function where in general both the zeros and the polesare at nonzero locations in the General IIR Difference Equation The general IIR difference equation described in Chapter 5was of the form( ) In this Chapter the text rearranges this equation so that ison the left and all of the other terms are on the right( ) In so doing notice the sign change of the coefficients,and also we assume that The total coefficient count is , meaning that thismany multiplies are needed to compute each new output fromthe difference equationalynl l0=N bkxnk k0=M =yn yn alynl l1=N bkxnk k0=M +=al a01=NM1++Chapter8 Time-Domain ResponseECE 2610 Signals and Systems8 2 Block Diagram As a special case consider

ECE 2610 Signal and Systems 8–1 IIR Filters In this chapter we finally study the general infinite impulse response (IIR) difference equation that was men-

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  Chapter, Response, Impulse, Infinite, Infinite impulse response

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