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Altera_Forum
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15 years ago

Cosine and Sine lookup table in vhdl

Hi i'm new to vhdl and I need a cosine and sine lookup table file in vhdl file already DONE.. because I don't have much time.. please help! thanks.
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Altera_Forum
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14 years ago

If you want to generate the terms in sequence look up the Goertzel generator, one multiple and an add per term (from the previous 2):

sin(a+b) = 2sin(a)cos(b) - sin(a-b)