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variance round off noise error

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scdoro

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Hi all,

i have to compute the normalized arithmetic round-off noise error for a direct form II realization of an IIR digital filter.

For a Form II realization, there are 2 adders, so there will be two errors altogether.Assuming that the error values are the same on both adders,

Qn1) The first error signal e1 will pass through the whole system. How about the second one? For such a direct form II, the realization seems to be interlink.

thanks

regards
scdoro
 

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