Determine the content of the memory unit in a distributed arithmetic implementation of the cascade realization of three second-order state-space blocks whose coefficients are given in Table 11.6 (scaling factor: \(\lambda=0.2832\) ).

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Table 11.6. Coefficients of cascade realization of three second-order state-space blocks. Coefficient Section 1 Section 2 Section 3 all 0.8027 0.7988 0.8125 a12 -0.5820 -0.5918 -0.5859 a21 0.5834 0.5996 0.5859 422 0.8027 0.7988 0.8125 C1 -0.0098 0.0469 -0.0859 d 23 -0.0273 -0.0137 0.0332 0.0098 0.1050 0.3594