M. Adam Davis ha scritto: > This is what you can expect to see if you cut a square wave off at 10 > times its frequency: > > http://www.wolframalpha.com/input/?i=sin(x)+%2B+sin(3x)%2F3+%2B+sin(5x)%2F5+%2B+sin(7x)%2F7+%2B+sin(9x)%2F9 > (If the link is too long, go to http://wolframalpha.com and enter the > equation sin(x) + sin(3x)/3 + sin(5x)/5 + sin(7x)/7 + sin(9x)/9 ) > > This is what you can expect to see if you cut it off at 5 times its frequency: wow how nice! :) thanks Dario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist