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Altera_Forum's avatar
Altera_Forum
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13 years ago

continuous 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_Forum's avatar
Altera_Forum
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13 years ago

An 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'.