Skip navigation
³»¿ë¾ø½¿
¹Ù·Î°¡±âÆíÁý
ÀÚÀ¯°Ô½ÃÆÇ
ÇÑÁÙ
QnA
Job
Life
¾÷üȫº¸
DIY
¾ð¹Ú½Ì
NAS
µö·¯´×
°¡»óÈ
Çϵå¿þ¾î
³×Æ®¿÷
RAID
°ÁÂ
ÀÚ·á
BMT
ÈÆÈÆ
ÆÇ¸Å
±¸¸Å
°ßÀû
ÇØ¿Ü
Ãâ¼®
¹Ù·Î
¹Ù·Î°¡±âÆíÁý
member_id
password
Auto
Login
ȸ¿ø°¡ÀÔ
¾ÆÀ̵ðã±â
¸ñ·Ï
¾²±â
¸ñ·Ï
ÁøÆø ±×¸²±¸Çϴ¹æ¹ýÁ» ¾Ë·ÁÁÖ¼¼¿ä.
ÇÑŵ¿
2009-10
2009-10-31 11:06:53
Á¶È¸ 9484 Ãßõ 0
Çб³¿¡¼ ¸ÖƼ¹Ìµð¾î °ú¸ñÀ» µè´Âµ¥¿ä.
°íµù´ë µè´ø ¼öÇÐ? ¹°¸®? ´Ù ±î¸Ô¾î¼...
y=10cos(2ÆÄÀÌt+10ÆÄÀÌ)¿¡¼
ÁøÆø, Áøµ¿¼ö, À§»ó, radian requency¸¦ ±¸ÇÐ ±×¸®´Â ¹æ¹ý Á» ¾Ë·Á ÁÖ¼¼¿ä.
¾Æ´Â °Å¸¸ÀÌ¶óµµ ¾Ë·ÁÁÖ¼¼¿ä.
ªÀº±Û Àϼö·Ï ½ÅÁßÇϰÔ.
Á¤Èñ¼·
2009-10
cos x ±×·¡ÇÁ°¡
ÁÖ±â 2 pi, ÃÖ´ë 1 ÃÖ¼Ò -1 ÀÌ´Ï
10 cos 2x ´Â
ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 À̱¸¿ä.
10 cos ( 2x + 10 pi ) ´Â
ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 Àº ¶È°°Àºµ¥ x = 0 ºÎÅÍ ½ÃÀÛÀ̶ó¸é 10 cos ( 2x ) ÀÇ ±×·¡ÇÁ¸¦ -10 pi ºÎÅÍ ±×¸®½Ã¸é µË´Ï´Ù.
Áøµ¿¼ö (frequency) ´Â 1 / T À̴ϱî 1 / pi [Hz] °¡ µÇ°Ú³×¿ä. À§»óÇÏ°í ¶óµð¾È ¾î¼±¸´Â Àß ¸ð¸£°Ú±º¿ä ^^;
cos x ±×·¡ÇÁ°¡ ÁÖ±â 2 pi, ÃÖ´ë 1 ÃÖ¼Ò -1 ÀÌ´Ï 10 cos 2x ´Â ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 À̱¸¿ä. 10 cos ( 2x + 10 pi ) ´Â ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 Àº ¶È°°Àºµ¥ x = 0 ºÎÅÍ ½ÃÀÛÀ̶ó¸é 10 cos ( 2x ) ÀÇ ±×·¡ÇÁ¸¦ -10 pi ºÎÅÍ ±×¸®½Ã¸é µË´Ï´Ù. Áøµ¿¼ö (frequency) ´Â 1 / T À̴ϱî 1 / pi [Hz] °¡ µÇ°Ú³×¿ä. À§»óÇÏ°í ¶óµð¾È ¾î¼±¸´Â Àß ¸ð¸£°Ú±º¿ä ^^;
ALpha
2009-10
2*pi*t + 10*pi °¡ À§»ó ¾Æ´Ñ°¡¿ë ?
±×¸®°í radian requency ´Â ¾Æ¸¶ radian frequency °°Àºµ¥ °¢Áøµ¿¼ö¶ó°í
ÁֱⰡ 2pi´Ï±î T·Î ³ª´©¸é 2pi / (1/pi) ´Ï±î 2pi^2 .. °¡ °¢Áøµ¿¼öÀΰ¡¿ä ?
¸Â´ÂÁö Ʋ¸®´ÂÁö ¸ô¶ó¿ä .. ÈëÈë
2*pi*t + 10*pi °¡ À§»ó ¾Æ´Ñ°¡¿ë ? ±×¸®°í radian requency ´Â ¾Æ¸¶ radian frequency °°Àºµ¥ °¢Áøµ¿¼ö¶ó°í ÁֱⰡ 2pi´Ï±î T·Î ³ª´©¸é 2pi / (1/pi) ´Ï±î 2pi^2 .. °¡ °¢Áøµ¿¼öÀΰ¡¿ä ? ¸Â´ÂÁö Ʋ¸®´ÂÁö ¸ô¶ó¿ä .. ÈëÈë
¼ÅÂÀ±
2009-10
ÁøÆø(amplitude): 10
Áøµ¿¼ö(frequency): (2*pi)/(2*pi)=1
radian frequency: 2*pi*Áøµ¿¼ö=2*pi
À§»ó(phase): °©ÀÚ±â Á¤È®ÇÏ°Ô »ý°¢ÀÌ ¾È³ª³×¿ä ¹®Á¦¿¡¼´Â 10*pi °¡ ´äÀÌ µÉ°Í °°½À´Ï´Ù.
±×¸²Àº 10¿¡¼ ½ÃÀÛÇØ¼ -10À¸·Î ³»·Á°¡´Â cos±×·¡ÇÁ¸¦ ±×´ë·Î ±×¸®½Ã¸é µË´Ï´Ù.
10*pi¸é ÁÖ±âÀÇ ¹è¼ö¸¸Å À̵¿À̱⠶§¹®¿¡ ÆÄÇü¿¡´Â º¯È°¡ ¾ø½À´Ï´Ù.
½Ã°£ 0.25À϶§ 0, 0.5À϶§ -10À» ±×¸®½Ã°í 1À϶§ ´Ù½Ã ÁøÆø10À» ±×¸®½Ã¸é µË´Ï´Ù.
ÁøÆø(amplitude): 10 Áøµ¿¼ö(frequency): (2*pi)/(2*pi)=1 radian frequency: 2*pi*Áøµ¿¼ö=2*pi À§»ó(phase): °©ÀÚ±â Á¤È®ÇÏ°Ô »ý°¢ÀÌ ¾È³ª³×¿ä ¹®Á¦¿¡¼´Â 10*pi °¡ ´äÀÌ µÉ°Í °°½À´Ï´Ù. ±×¸²Àº 10¿¡¼ ½ÃÀÛÇØ¼ -10À¸·Î ³»·Á°¡´Â cos±×·¡ÇÁ¸¦ ±×´ë·Î ±×¸®½Ã¸é µË´Ï´Ù. 10*pi¸é ÁÖ±âÀÇ ¹è¼ö¸¸Å À̵¿À̱⠶§¹®¿¡ ÆÄÇü¿¡´Â º¯È°¡ ¾ø½À´Ï´Ù. ½Ã°£ 0.25À϶§ 0, 0.5À϶§ -10À» ±×¸®½Ã°í 1À϶§ ´Ù½Ã ÁøÆø10À» ±×¸®½Ã¸é µË´Ï´Ù.
¸ù¸ù
2009-11
wolfram alpah ¿¡ °¡¼ ¼ö½Ä³Ö¾îº¸¼¼¿ä.
±×·¡ÇÁ±îÁö ´Ù ³ª¿É´Ï´Ù
http://www.wolframalpha.com/input/?i=y%3D10cos%282
*pi*t%2B10*pi%29
¹é¹®ÀÌ ºÒ¿©Àϰß
wolfram alpah ¿¡ °¡¼ ¼ö½Ä³Ö¾îº¸¼¼¿ä. ±×·¡ÇÁ±îÁö ´Ù ³ª¿É´Ï´Ù http://www.wolframalpha.com/input/?i=y%3D10cos%282*pi*t%2B10*pi%29 ¹é¹®ÀÌ ºÒ¿©Àϰß
ÀåÅÂÁÖ
2009-11
http://www.walterzorn.com/grapher/grapher_e.htm
±èÇöÈ£´ÔÀÌ ÃßõÇÑ »çÀÌÆ®¿Í ºñ½ÁÇÑ »çÀÌÆ®ÀÔ´Ï´Ù.
http://www.walterzorn.com/grapher/grapher_e.htm ±èÇöÈ£´ÔÀÌ ÃßõÇÑ »çÀÌÆ®¿Í ºñ½ÁÇÑ »çÀÌÆ®ÀÔ´Ï´Ù.
·Î±×ÀÎ ÇÏ½Ã¸é ´ñ±ÛÀ» ³²±æ ¼ö ÀÖ½À´Ï´Ù
¸ñ·Ï
¾²±â
¸ñ·Ï
QnA
¾²±â
4135/5747
¹øÈ£
Á¦¸ñ
Page 4135/5747
±Û¾´ÀÌ
³¯Â¥
Á¶È¸
̵̧
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(737)
Á¤ÀºÁØ1
2014-05
5347422
0
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(737)
2014-05 5347422
1
Á¤ÀºÁØ1
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(ver2.0)
(234)
¹é¸Þ°¡
2015-12
1861630
25
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(¡¦
(234)
2015-12 1861630
1
¹é¸Þ°¡
32242
¸ÆºÏÇÁ·Î¿¡ ´Þ SSD Ãßõ ºÎʵ右´Ï´Ù.
(2)
ÀÌ¿µ±Ô
2009-11
10026
0
¸ÆºÏÇÁ·Î¿¡ ´Þ SSD Ãßõ ºÎʵ右´Ï´Ù.
(2)
2009-11 10026
1
ÀÌ¿µ±Ô
32241
VMWare Server ¹öÀü¿¡¼ Partition ¶Ç´Â Disk¸¦ Åë°·Î »ç¿ëÇÏ·Á¸é ¾î¶»°Ô ÇØ¾ßÇϳª¡¦
(9)
±èÀå¿ì
2009-11
11068
0
VMWare Server ¹öÀü¿¡¼ Partition ¶Ç´Â D¡¦
(9)
2009-11 11068
1
±èÀå¿ì
32240
µµ¿ò¿äûÇÕ´Ï´Ù ¸ÞÀκ¸µå Å×½ºÆ® µµ¿òÀ» ºÎʵ右´Ï´Ù
(1)
Å×½½¶ó
2009-11
7348
0
µµ¿ò¿äûÇÕ´Ï´Ù ¸ÞÀκ¸µå Å×½ºÆ® µµ¿òÀ» ¡¦
(1)
2009-11 7348
1
Å×½½¶ó
32239
GIGABYTE GA-EX58-UD4P ¸ÞÀκ¸µå¿¡ REG/ECC ¸Å¸ð¸® »ç¿ë¿©ºÎ?
(1)
¿ÀÁö¶ý
2009-11
9092
0
GIGABYTE GA-EX58-UD4P ¸ÞÀκ¸µå¿¡ REG/E¡¦
(1)
2009-11 9092
1
¿ÀÁö¶ý
32238
À©µµ¿ì7 ÇÁ·Î¸ð¼Ç ¹öÁ¯ ¹®ÀÇ
(2)
¹Úµ¿¼·
2009-11
8135
0
À©µµ¿ì7 ÇÁ·Î¸ð¼Ç ¹öÁ¯ ¹®ÀÇ
(2)
2009-11 8135
1
¹Úµ¿¼·
32237
Àü»ç ¹®¼ ÅëÇÕ°ü¸® Á¶¾ð ºÎʵ右´Ï´Ù.
(5)
¹®¾çÈ£
2009-11
6753
0
Àü»ç ¹®¼ ÅëÇÕ°ü¸® Á¶¾ð ºÎʵ右´Ï´Ù.
(5)
2009-11 6753
1
¹®¾çÈ£
32236
[Ãßõ] ÇÒ¸Ó´ÔÀÌ ¾²½Ç ¶óÅØ½º ¸ÅÆ®¸®½º ÃßÃµÇØÁÖ¼¼¿ä.
(3)
ÀϹÝÀ¯Àú
2009-11
8903
0
[Ãßõ] ÇÒ¸Ó´ÔÀÌ ¾²½Ç ¶óÅØ½º ¸ÅÆ®¸®½º Ãß¡¦
(3)
2009-11 8903
1
ÀϹÝÀ¯Àú
32235
°³ÀÎÀÌ ¾µ¸¸ÇÑ VPN¾÷ü(pptp³ª openvpn°°Àº) Ãßõ ºÎʵ右´Ï´Ù~
(8)
³ª¸¸¾ø³ª´ó¡¦
2009-11
10575
0
°³ÀÎÀÌ ¾µ¸¸ÇÑ VPN¾÷ü(pptp³ª openvpn°°¡¦
(8)
2009-11 10575
1
³ª¸¸¾ø³ª´ó¡¦
32234
Çϵå¿ë·®Å©±â¿Í ÄÄÇ»ÅÍ ¼Óµµ°ü·Ã??
(5)
ºÒ¹«°ñ
2009-11
9683
0
Çϵå¿ë·®Å©±â¿Í ÄÄÇ»ÅÍ ¼Óµµ°ü·Ã??
(5)
2009-11 9683
1
ºÒ¹«°ñ
32233
À©µµ2008¿¡ Æ÷ÇÔµÈ ¼¹ö¹é¾÷(À©µµ¿ì¹é¾÷)±â´ÉÀÇ È°¿ë½Ã º¹±¸°¡ Á»..ÀÌ»óÇϳ׿ä.
±è°Ç¿ì
2009-11
10311
0
À©µµ2008¿¡ Æ÷ÇÔµÈ ¼¹ö¹é¾÷(À©µµ¿ì¹é¾÷)¡¦
2009-11 10311
1
±è°Ç¿ì
32232
Á¶°¢¸ðÀ½ ÇÁ·Î±×·¥ÀÌ ¾øÀ» ¶§
(4)
Â÷Æò¼®
2009-11
6800
0
Á¶°¢¸ðÀ½ ÇÁ·Î±×·¥ÀÌ ¾øÀ» ¶§
(4)
2009-11 6800
1
Â÷Æò¼®
32231
cpu ´ÜÀÏÄÚ¾î¿Í µà¾óÄÚ¾î,ÄõµåÄÚ¾îÀÇ ºñ±³
(10)
¶Ñ¶Ñ±è´ë¿ø
2009-11
11619
0
cpu ´ÜÀÏÄÚ¾î¿Í µà¾óÄÚ¾î,ÄõµåÄÚ¾îÀÇ ºñ±³
(10)
2009-11 11619
1
¶Ñ¶Ñ±è´ë¿ø
32230
cpu ¿À¹öŬ·° Áú¹®ÀÔ´Ï´Ù
(8)
psj1050
2009-11
7980
0
cpu ¿À¹öŬ·° Áú¹®ÀÔ´Ï´Ù
(8)
2009-11 7980
1
psj1050
32229
[Áú¹®] µ¿ÀÏÇÑ ½Ã½ºÅÛ¿¡ ½ÃÇÇÀ¯¸¸ ¹Ù²î¾úÀ»¶§ ¹èÅ͸® »ç¿ë½Ã°£ÀÌ.?
(4)
³ª³Ê¿ì¸®
2009-11
6280
0
[Áú¹®] µ¿ÀÏÇÑ ½Ã½ºÅÛ¿¡ ½ÃÇÇÀ¯¸¸ ¹Ù²î¾ú¡¦
(4)
2009-11 6280
1
³ª³Ê¿ì¸®
32228
20´ë ÃʹÝÀÇ ¿©ÀÚ¾ÆÀÌ¿¡°Ô ÁÁÀº »ýÀϼ±¹°Àº ¹¹°¡ ÀÖÀ»±î¿ä...?
(46)
SuperAngel
2009-11
44148
0
20´ë ÃʹÝÀÇ ¿©ÀÚ¾ÆÀÌ¿¡°Ô ÁÁÀº »ýÀϼ±¹°¡¦
(46)
2009-11 44148
1
SuperAngel
32227
IE7¿¡ °üÇÑ ±Ã±ÝÁ¡
(2)
Â÷Æò¼®
2009-11
6592
0
IE7¿¡ °üÇÑ ±Ã±ÝÁ¡
(2)
2009-11 6592
1
Â÷Æò¼®
32226
´ë¿ë·® ÆÄÀϼ¹ö ¹é¾÷¿¡ ´ëÇÑ Á¶¾ðÀ» ±¸ÇÕ´Ï´Ù.
(7)
±èÀå¿ì
2009-11
9340
0
´ë¿ë·® ÆÄÀϼ¹ö ¹é¾÷¿¡ ´ëÇÑ Á¶¾ðÀ» ±¸ÇÕ¡¦
(7)
2009-11 9340
1
±èÀå¿ì
32225
¼ÒÇü DC ¸ðÅÍ ÆÄ´Â°÷ ¾Ë·ÁÁÖ½Ã¸é °¨»çµå¸®°Ú½À´Ï´Ù.
(7)
Ǫ¸ªÀÌ
2009-11
18612
0
¼ÒÇü DC ¸ðÅÍ ÆÄ´Â°÷ ¾Ë·ÁÁÖ½Ã¸é °¨»çµå¸®¡¦
(7)
2009-11 18612
1
Ǫ¸ªÀÌ
32224
°ø·©°ú ¼ö³ÃÀÇ È¿°ú
(14)
À̺´¿µ
2009-11
12054
0
°ø·©°ú ¼ö³ÃÀÇ È¿°ú
(14)
2009-11 12054
1
À̺´¿µ
32223
Windows7 ¼³Ä¡½Ã LSI 320-2E µå¶óÀÌºê ¹®Á¦..
(3)
´Ù·ÕÀÌ
2009-11
7667
0
Windows7 ¼³Ä¡½Ã LSI 320-2E µå¶óÀÌºê ¹®¡¦
(3)
2009-11 7667
1
´Ù·ÕÀÌ
4131
4132
4133
4134
4135
(current)
4136
4137
4138
4139
4140
4131
4132
4133
4134
4135
(current)
¸ñ·Ï
¾²±â
sfl
Á¦¸ñ
³»¿ë
Á¦¸ñ+³»¿ë
ȸ¿ø¾ÆÀ̵ð
ȸ¿ø¾ÆÀ̵ð(ÄÚ)
À̸§
À̸§(ÄÚ)
stx
sop
and
or
°Ë»ö
ÁÖ±â 2 pi, ÃÖ´ë 1 ÃÖ¼Ò -1 ÀÌ´Ï
10 cos 2x ´Â
ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 À̱¸¿ä.
10 cos ( 2x + 10 pi ) ´Â
ÁÖ±â pi , ÃÖ´ë 10 ÃÖ¼Ò -10 Àº ¶È°°Àºµ¥ x = 0 ºÎÅÍ ½ÃÀÛÀ̶ó¸é 10 cos ( 2x ) ÀÇ ±×·¡ÇÁ¸¦ -10 pi ºÎÅÍ ±×¸®½Ã¸é µË´Ï´Ù.
Áøµ¿¼ö (frequency) ´Â 1 / T À̴ϱî 1 / pi [Hz] °¡ µÇ°Ú³×¿ä. À§»óÇÏ°í ¶óµð¾È ¾î¼±¸´Â Àß ¸ð¸£°Ú±º¿ä ^^;
±×¸®°í radian requency ´Â ¾Æ¸¶ radian frequency °°Àºµ¥ °¢Áøµ¿¼ö¶ó°í
ÁֱⰡ 2pi´Ï±î T·Î ³ª´©¸é 2pi / (1/pi) ´Ï±î 2pi^2 .. °¡ °¢Áøµ¿¼öÀΰ¡¿ä ?
¸Â´ÂÁö Ʋ¸®´ÂÁö ¸ô¶ó¿ä .. ÈëÈë
Áøµ¿¼ö(frequency): (2*pi)/(2*pi)=1
radian frequency: 2*pi*Áøµ¿¼ö=2*pi
À§»ó(phase): °©ÀÚ±â Á¤È®ÇÏ°Ô »ý°¢ÀÌ ¾È³ª³×¿ä ¹®Á¦¿¡¼´Â 10*pi °¡ ´äÀÌ µÉ°Í °°½À´Ï´Ù.
±×¸²Àº 10¿¡¼ ½ÃÀÛÇØ¼ -10À¸·Î ³»·Á°¡´Â cos±×·¡ÇÁ¸¦ ±×´ë·Î ±×¸®½Ã¸é µË´Ï´Ù.
10*pi¸é ÁÖ±âÀÇ ¹è¼ö¸¸Å À̵¿À̱⠶§¹®¿¡ ÆÄÇü¿¡´Â º¯È°¡ ¾ø½À´Ï´Ù.
½Ã°£ 0.25À϶§ 0, 0.5À϶§ -10À» ±×¸®½Ã°í 1À϶§ ´Ù½Ã ÁøÆø10À» ±×¸®½Ã¸é µË´Ï´Ù.
±×·¡ÇÁ±îÁö ´Ù ³ª¿É´Ï´Ù
http://www.wolframalpha.com/input/?i=y%3D10cos%282*pi*t%2B10*pi%29
¹é¹®ÀÌ ºÒ¿©Àϰß
±èÇöÈ£´ÔÀÌ ÃßõÇÑ »çÀÌÆ®¿Í ºñ½ÁÇÑ »çÀÌÆ®ÀÔ´Ï´Ù.