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Altera_Forum's avatar
Altera_Forum
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12 years ago

problem with adaptive FIR ,i realy need your help

hi all guys,i'm freshmem in forum,i got a problem with my vhdl code about adaptive FIR filter.I try write by myself but it fail (simulate in modelsim-altera),so that i write agian based on "dsp with ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

O.K., I see, but it's a pure functional simulation problem.

In first clock cycle, uninitialized x(0) and x(1) are added to f(0) and f(1). You easily find the problem looking at all design nodes in simulation, not just the output.

You had saved your and my time by giving a clear problem description in your first post.