²é¿´: 774  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

yummyking

гæ (ÕýʽдÊÖ)

[ÇóÖú] ¼±Ð裡£¡£¡£¡£¡£¡°ïæ·­ÒëÕâ¶Î»°£¬¹ØÓÚÆæÒìÖµ·Ö½âµÄ

ÆæÒìÖµ·Ö½âÀûÓÃÑÓʱǶÏݼ¼Êõ¶Ôʱ¼äÐòÁнøÐÐÏà¿Õ¼äµÄÖØ¹¹£¬ÓÉÓÚûÓвãÊýµÄÀíÂÛÈ·¶¨Ç¶Èë²ÎÊýºÍÑÓʱ²ÎÊý£¬ÏÞÖÆÁËÆæÒìÖµÔÚ»úе¹ÊÕÏÕï¶ÏÖеÄÓ¦Óá£
EEMD·Ö½â¿ÉÒÔ×ÔÊÊÓ¦µÄ½«ÐźŷֽâΪÈô¸É¹ÌÓÐģ̬·ÖÁ¿£¬É¸Ñ¡³öÆäÖÐÓÐÓõÄIMF·ÖÁ¿ÐγɳõÊ¼ÌØÕ÷ÏòÁ¿¾ØÕ󣬴Ӷø±ÜÃâÁËÔÚ¶Ôʱ¼äÐòÁнøÐÐÏà¿Õ¼äÖØ¹¹Ê±Ñ¡ÔñºÃǶÈë³£ÊýºÍÑÓʱ²ÎÊý¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Î人һÐÄÒ»Òë

¾èÖú¹ó±ö (ÖøÃûдÊÖ)


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

É̼ÒÒѾ­Ö÷¶¯ÉùÃ÷´Ë»ØÌû¿ÉÄܺ¬ÓÐÐû´«ÄÚÈÝ
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
yummyking(fjtony163´ú·¢): ½ð±Ò+30, ´ú·¢ 2016-03-22 02:27:14
yummyking(fjtony163´ú·¢): ½ð±Ò+20, ´ú·¢ 2016-03-22 02:27:25
fjtony163: ·­ÒëEPI+1, ´ú·¢ 2016-03-22 02:27:31
ÆæÒìÖµ·Ö½â ÀûÓà ÑÓʱǶÏݼ¼Êõ ¶Ô ʱ¼äÐòÁÐ ½øÐÐ Ïà¿Õ¼äµÄÖØ¹¹£¬ÓÉÓÚ Ã»ÓÐ ²ãÊý µÄÀíÂÛ È·¶¨ ǶÈë²ÎÊý ºÍ ÑÓʱ²ÎÊý£¬ÏÞÖÆÁË ÆæÒìÖµ ÔÚ »úе¹ÊÕÏÕï¶ÏÖÐ µÄÓ¦Óá£
EEMD·Ö½â ¿ÉÒÔ ×ÔÊÊÓ¦µÄ ½« Ðźŷֽâ Ϊ Èô¸É ¹ÌÓÐģ̬·ÖÁ¿£¬É¸Ñ¡³ö ÆäÖÐ ÓÐÓÃµÄ IMF·ÖÁ¿ ÐÎ³É ³õʼ ÌØÕ÷ÏòÁ¿¾ØÕ󣬴Ӷø ±ÜÃâÁË ÔÚ ¶Ôʱ¼äÐòÁÐ ½øÐÐ Ïà¿Õ¼äÖØ¹¹ ʱѡÔñ ºÃ ǶÈë³£Êý ºÍ ÑÓʱ²ÎÊý¡£
SVD ( singular value decomposition ) is used to conduct phase-space reconstruction of time series based on delay embedded technology. Since there are no embedding parameters and delay parameters which are determined by the theories on number of plies, the application of SVD in mechanical fault diagnosis is limited. Through EEMD decomposition, signals can be adaptively decomposed into several intrinsic mode components, in which the IMF components which are helpful ones will be screened out to for the initial eigenvector matrix, so as to avoid the selection of embedding parameters and delay parameters during phase-space reconstruction of time series.
2Â¥2015-10-25 18:35:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yummyking µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ¹úÉç¿ÆÍ¨Ñ¶ÆÀÉó +3 DZˮ¹Ú¾ü123 2026-07-18 4/200 2026-07-18 16:29 by ×î°®±à×ë´Çµä
[»ù½ðÉêÇë] ÃæÉϵÄË®ºÜÉî +8 ²¼²¼ºÍÒ»¶þ 2026-07-18 13/650 2026-07-18 16:13 by ²¼²¼ºÍÒ»¶þ
[»ù½ðÉêÇë] ÉúÃü¿ÚC13ÃæÉÏ»áÆÀʱ¼ä +7 luckinging 2026-07-14 11/550 2026-07-17 20:43 by ³æ²·1988
[½Ìʦ֮¼Ò] ÄÚÐÄØÑ·¦ +16 Ë®±ùÔÂÔÂÒ°Íà 2026-07-12 16/800 2026-07-17 19:25 by otani
[»ù½ðÉêÇë] ÉúÃü¿ÚÃæÉÏ»áÆÀ½áÊøÁËÂð´ó¼ÒÓÐÖªµÀ½á¹ûÂð£¿ÏÖÔÚ»¹Ã»Óнá¹ûÕý³£²»£¿ +6 ±ÌË®00 2026-07-16 9/450 2026-07-17 15:21 by jaasxulu
[ÂÛÎÄͶ¸å] ͶӢÎÄÆÚ¿¯ÈçºÎ²éÖØ 10+5 ²»ÖªµÀȡʲôÃû× 2026-07-15 6/300 2026-07-17 09:07 by bobvan
[»ù½ðÉêÇë] ²»ÒªÔÙÊý¹ú×ÔÈ»ÉêÇëÊéµÄ filecode µÄ·Ö¸ô·û¸öÊýÁË +14 sadpencil 2026-07-12 21/1050 2026-07-17 00:15 by wangze12014
[Óлú½»Á÷] ²®°·Éϼ׻ùÇóÖú 100+4 002tmumu 2026-07-14 7/350 2026-07-16 19:47 by 002tmumu
[ÂÛÎÄͶ¸å] ¿ç³ö°æÉçÉÌͶ¸å 20+5 ÄߺÃ520 2026-07-13 5/250 2026-07-16 17:24 by ÎÞÊÓ¾üÍÅ
[»ù½ðÉêÇë] 5¸ö%2F£¬·Ç¹Ì¶¨¶Î22¸ö×Öĸ +6 jaasxulu 2026-07-15 7/350 2026-07-16 13:02 by monkeynana
[»ù½ðÉêÇë] ÉúÉúÃüѧ²¿»áÆÀ +4 wuke100666 2026-07-15 4/200 2026-07-16 00:12 by À²À²Ð¡ÄÝ×Ó
[»ù½ðÉêÇë] H¿Ú£¬ÃæÉÏ£¬Ê±¼ä´Á7ÔÂ7ÈÕ¡£ +3 plumage5 2026-07-15 3/150 2026-07-15 21:06 by 6543yes
[»ù½ðÉêÇë] Сľ³æÃ»ÂäÁË£¬³ýÁËÆíµ»Ìû×Ó£¬¼¸ºõ¿´²»µ½ÓмÛÖµµÄÌû×Ó +13 botar 2026-07-14 14/700 2026-07-15 19:28 by º®Á÷32
[»ù½ðÉêÇë] »áÆÀ +5 ÎÞÃûÕßµÇɽ 2026-07-15 5/250 2026-07-15 18:15 by ¸Ü¾ÍÊÇÄã¶Ô
[»ù½ðÉêÇë] E¿Ú»áÆÀ +11 ²¼²¼ºÍÒ»¶þ 2026-07-13 13/650 2026-07-15 16:34 by Kittylucky
[»ù½ðÉêÇë] E¿ÚÇàC»áÆÀ½áÊøÁËÂ𣿠40+3 ССÊ鳿c 2026-07-14 9/450 2026-07-15 16:04 by °²¾²µÄÖªÁË
[ÂÛÎÄͶ¸å] ũҵ»úеѧ±¨Í¶¸åÖÜÆÚ +3 G0DLIN 2026-07-14 7/350 2026-07-15 09:26 by xs74101122
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÃæÉÏD¿ÚÆíµ» +4 monkeynana 2026-07-14 4/200 2026-07-15 09:14 by °×Ë®Öó
[»ù½ðÉêÇë] ûÊÕµ½ÏûÏ¢£¬ÔÙ´ÎÅãÅÜ +3 Ìì¿ÕÐdz½fly 2026-07-14 3/150 2026-07-14 19:14 by 6543yes
[»ù½ðÉêÇë] Ã÷ÌìE¿ÚÃæÉÏ»áÆÀ +8 ²¼²¼ºÍÒ»¶þ 2026-07-12 9/450 2026-07-13 22:59 by QTSorange
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û