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Altera_Forum's avatar
Altera_Forum
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15 years ago

sine angle conversion

sir/mam can you plz help me to find sine or cosine angle in decimal range. like sine 30 in the range of 0 to 3954 etc.what is the formula to convert this?
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You defined -I think - your amplitude resolution i.e. 0~3954

but you did not define phase resolution (how many points per cycle),

for 256 points:

x = sin(2*pi*(0:255)/256);

x = round(x*3954);