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  probability density fuction
  ±Û¾´ÀÌ : ¿ì¾²   °íÀ¯ID : heart700     ³¯Â¥ : 09-12-16 10:24     Á¶È¸ : 4205    
   D0.2-R5.xls (144.5K), Down : 10, 2009-12-16 10:24:29
À¯µ¿Ãþ¿¡¼­ »óºÎ¿Í ÇϺÎÀÇ ¾Ð·ÂÂ÷¸¦ ½ÇÇè¿¡¼­ ±¸ÇÑµÚ ÀÌ °ªÀ» °¡Áö°í È®·ü¹Ðµµ ÇÔ¼ö¸¦ ±¸ÇÏ·Á°í ÇÕ´Ï´Ù.
µ¥ÀÌŸ ó¸® ±³À縦 ºÁµµ ¾î¶»°Ô ±¸ÇÏ´ÂÁö ¾Ë¼ö°¡ ¾ø½À´Ï´Ù.

±¸Ã¼ÀûÀÎ ½ÇÇàÀ» ¾î¶»°Ô ÇØ¾ß Çϳª¿ä?

µ¥ÀÌŸ´Â ½Ã°£¿¡ µû¸¥ ¾Ð·ÂÂ÷ °ªÀÌ ÀÖ°í FFT ¸¦ ¼öÇàÇÑ power spectrum ÀÌ ÀÖ½À´Ï´Ù.

µ¥ÀÌŸ¸¦ ÷ºÎÇÕ´Ï´Ù.

Stefano    09-12-16 19:28
(1) Åë°èµ¥ÀÌÅͷκÎÅÍ È®·ü¹Ðµµ ºÐÆ÷ ÇÔ¼ö f(x)¸¦ ±¸ÇÏ·Á¸é
1) ¿ì¼± µ¥ÀÌÅÍ ¼ö,  n
2) Æò±ÕÄ¡ °è»ê, ¥ì
3) Ç¥ÁØÆíÂ÷ °è»ê, ¥ò
4) È®·ü¹ÐµµÇÔ¼ö(Gaussian Distribution Function) ±¸ÇÔ, f(x),  x = local data

¿¢¼¿¿¡¼­ Á÷Á¢ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. 
n = count(µ¥ÀÌÅÍ ¿µ¿ª)
¥ì = average(µ¥ÀÌÅÍ ¿µ¿ª)
¥ò = stdevA(µ¥ÀÌÅÍ ¿µ¿ª)
f(x) =  1/[(¡î2¥ð)¥ò]exp{-(x-¥ì)^2/(2¥ò^2)}
Stefano    09-12-22 18:18
´ä±ÛÀ» ¹Þ°í ¹¬¹¬È÷ ÀÖÁö¸¸ ¸»°í ´ä±ÛÀ» ¿Ã·ÁµÎ¼¼¿ä.  ¹®Á¦ÇØ°áÀÌ µÇ¾ú´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
   

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