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Altera_Forum
Honored Contributor
Honored Contributorcontinuous averaging using VHDL
I have a question related to VHDL programming. I want to calculate the continuous average. My example code is:
process (clk, reset)
begin
if (reset = '1') then
state<=idle;
out-v...
Altera_ForumHonored Contributor
Honored ContributorAn alternative is to use an 'infinite response filter' instead of a true average. This gives more weight to recent data, but is easier to calculate since it doesn't require all the old values be stored.
Basically calculate 'new_irf = old_irf * 31/32 + sample'.
