Question: Given in Fig. P2.8-1 are two digital-filter structures, or realizations, for second-order filters. Example 2.10 It is desired to find m(k) for the equation B

Given in Fig. P2.8-1 are two digital-filter structures, or realizations, for second-order filters.B T B T Bo (a) y(k) T 7 3 (x1 CLO T y(k)e(k) f(k) T 195 a (b) b T ao b bo y(k)(a) Write the difference equation for the 3D structure of Fig. P2.8-1(a), expressing y(k) as a function of

Example 2.10

It is desired to find m(k) for the equationm(k)= e(k) e(k-1) m(k-1), k  0where >>mkminus1 = 0; ekminus1 = 0; ek = 1; for k=0:20 and both e(-1) and m(-1) are zero. Then m(k) can beIn the coding, mkminus 1 represents m(k -1), mk represents m(k), ekminus1 represents e(k - 1), and ekm(k) can be found by taking the inverse z-transform of (2-21). General techniques for determin- ing the

B T B T Bo (a) y(k) T 7 3 (x1 CLO T y(k)

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