Znn3bq.jpeg
²é¿´: 2116  |  »Ø¸´: 9

yeahnet117

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] À­ÆÕÀ­Ë¹ÊÕÁ²Óò

ÇëÎÊcost£¬t´óÓÚ0µÄÀ­ÆÕÀ­Ë¹µ¥±ßÊÕÁ²ÓòÔõôÇó£¬Ð¡°×£¬´óÉñ¼ûÁÂ

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yeahnet117

½ð³æ (ÕýʽдÊÖ)

Ù¼´óµÄÐÅÏ¢°æ¿é¾ÍôÈ˻شðÒ»ÏÂÂðÔÙ¼Ó5¸ö½ð±Ò

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2014-08-19 11:26:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yeahnet117

½ð³æ (ÕýʽдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by yeahnet117 at 2014-08-19 11:26:06
Ù¼´óµÄÐÅÏ¢°æ¿é¾ÍôÈ˻شðÒ»ÏÂÂðÔÙ¼Ó5¸ö½ð±Ò

´óÉñÔÚÄÄ

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2014-08-19 11:27:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
yeahnet117: ½ð±Ò+5 2014-08-19 20:52:09
cost=[exp(jt)+exp(-jt)]/2
exp(jt)ºÍexp(-jt) ÊÓΪ exp(s_0*t)
exp(jt)<----------------->1/(s-j)     Rs[s]>0
exp(-jt)<----------------->1/(s+j)   Rs[s]>0
×ÛÉÏ£¬À­ÆÕÀ­Ë¹µ¥±ßÊÕÁ²Óò   Rs[s]>0
4Â¥2014-08-19 17:33:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yeahnet117

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2014-08-19 17:33:27
cost=/2
exp(jt)ºÍexp(-jt) ÊÓΪ exp(s_0*t)
exp(jt)<----------------->1/(s-j)     Rs>0
exp(-jt)<----------------->1/(s+j)   Rs>0
×ÛÉÏ£¬À­ÆÕÀ­Ë¹µ¥±ßÊÕÁ²Óò   Rs>0...

ΪʲôRe(s)´óÓÚ0°¢£¬»¹ÊÇû̫¶®

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
5Â¥2014-08-19 20:44:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yeahnet117

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2014-08-19 17:33:27
cost=/2
exp(jt)ºÍexp(-jt) ÊÓΪ exp(s_0*t)
exp(jt)<----------------->1/(s-j)     Rs>0
exp(-jt)<----------------->1/(s+j)   Rs>0
×ÛÉÏ£¬À­ÆÕÀ­Ë¹µ¥±ßÊÕÁ²Óò   Rs>0...

°Ñj¿´³ÉaµÄ»°£¬exp(at)µÄµ¥±ßÊÕÁ²ÓòÊÇre(s)´óÓÚaËùÒÔÕâÀïµÄ»°²»¾ÍÊÇre(s)´óÓÚj»òÕß-jÂð¿ÉÊÇÎÒÒ²ÖªµÀreÊÇʵÊý£¬²»¶Ô

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
6Â¥2014-08-19 20:50:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yeahnet117

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2014-08-19 17:33:27
cost=/2
exp(jt)ºÍexp(-jt) ÊÓΪ exp(s_0*t)
exp(jt)<----------------->1/(s-j)     Rs>0
exp(-jt)<----------------->1/(s+j)   Rs>0
×ÛÉÏ£¬À­ÆÕÀ­Ë¹µ¥±ßÊÕÁ²Óò   Rs>0...

ÏȸøÄã5¸ö£¬ÄÜÔÙ½âÊÍÒ»ÏÂÂï

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
7Â¥2014-08-19 20:51:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
7Â¥: Originally posted by yeahnet117 at 2014-08-19 20:51:47
ÏȸøÄã5¸ö£¬ÄÜÔÙ½âÊÍÒ»ÏÂÂï
...

ÕÒÒ»±¾»ý·Ö±ä»» »ò ÐźÅÓëÏßÐÔϵͳ½Ì²ÄÒ»¿´¾ÍÇå³þÁË¡£
8Â¥2014-08-19 22:38:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
yeahnet117: ½ð±Ò+5 2014-08-20 07:50:01
ÒýÓûØÌû:
5Â¥: Originally posted by yeahnet117 at 2014-08-19 20:44:39
ΪʲôRe(s)´óÓÚ0°¢£¬»¹ÊÇû̫¶®
...

Re(s)´óÓÚ0°¢£¿
0+j
9Â¥2014-08-20 07:43:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xgj2008best

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

¸ù¾Ý¶¨ÒåÇó°¡¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
10Â¥2014-08-22 13:19:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yeahnet117 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϹ¤³Ì085601£¬270Çóµ÷¼Á +35 @ASDF1234 2026-04-08 37/1850 2026-04-13 01:18 by ÐÒÃâ ..
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +12 yzyzx 2026-04-12 12/600 2026-04-13 00:08 by solbeg
[¿¼ÑÐ] Ò»Ö¾Ô¸085502£¬267·ÖÇóµ÷¼Á +14 ÔÙæҲҪ³Ô·¹°¡ 2026-04-08 15/750 2026-04-12 22:33 by fqwang
[¿¼ÑÐ] µç×ÓÐÅÏ¢270Çóµ÷¼Á +18 terminal469 2026-04-07 18/900 2026-04-12 16:23 by ajpv·çÀ×
[»ù½ðÉêÇë] ɽ¶«Ê¡»ù½ð2026 +5 jerry681 2026-04-08 6/300 2026-04-12 08:33 by kudofaye
[¿¼ÑÐ] Çóµ÷¼Á +11 ÔÂ@163.com 2026-04-07 13/650 2026-04-11 22:55 by BruceLiu320
[¿¼ÑÐ] 291·Öµ÷¼Á +5 Éϰ¶Ð¡Ó¨¼ÓÓÍ 2026-04-09 6/300 2026-04-11 21:06 by ÄæË®³Ë·ç
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 ban°àСÆß 2026-04-11 3/150 2026-04-11 20:48 by may_ÐÂÓî
[¿¼ÑÐ] 296Çóµ÷¼Á +14 Íô£¡£¿£¡ 2026-04-08 15/750 2026-04-11 20:28 by dongdian1
[¿¼ÑÐ] 284Çóµ÷¼Á +12 archer.. 2026-04-10 13/650 2026-04-11 08:44 by zhq0425
[¿¼ÑÐ] µ÷¼Á »¯Ñ§ 307 +21 73372112 2026-04-09 23/1150 2026-04-10 23:53 by wj165256
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] 085800 ÄÜÔ´¶¯Á¦Çóµ÷¼Á +6 °¢biu°¡°¡°¡°¡°¡ 2026-04-10 6/300 2026-04-10 15:03 by hemengdong
[¿¼²©] ²©Ê¿×Ô¼ö +7 ¿É¿ÉСÅÖ 2026-04-08 7/350 2026-04-10 08:28 by kimhero
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[¿¼ÑÐ] 286Çóµ÷¼Á +19 Faune 2026-04-08 20/1000 2026-04-09 08:36 by ŶŶ123
[¿¼ÑÐ] 270Çóµ÷¼Á +3 031127 2026-04-06 4/200 2026-04-08 21:00 by ÄæË®³Ë·ç
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 22:00 by hemengdong
[¿¼ÑÐ] ±¾¿ÆÉúÎïÐÅϢѧ£¬×Ü·Ö362 Çó07 08µ÷¼Á +6 qСٻ1210 2026-04-06 6/300 2026-04-07 19:40 by macy2011
[¿¼ÑÐ] ÐŹ¤Ëù11408 340·Ö ±¾¿ÆÎ÷°²½»´ó×Ô¶¯»¯ +3 moontrek 2026-04-06 3/150 2026-04-07 09:56 by chongya
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û