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±â¼ú ÀÚ·á

Á¦¸ñ [AST] À½ÇâÀÓÇÇ´ø½º, °íÀ¯À½ÇâÀÓÇÇ´ø½º(ÀÓÇÇ´ø½ºÀÇ Á¾·ù)
ÀÛ¼ºÀÚ ASTint
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Ç× ¸ñ

Á¤ÀÇ ¹× ¼³¸í

´ÜÀ§ ¹× °ü·Ã°ø½Ä

ÀÓÇÇ´ø½º

(Impedance)

;¡®È¿°ú / Àۿ롯ÀÇ ºñÀ²

;ÀúÇ×ÀÇ °³³ä

z

À½ÇâÀÓÇÇ´ø½º

(Acoustic Impedance)

;À½¾Ð/üÀû¼Óµµ ; acoustic ohm

;¸ÅÁú °¡¿îµ¥ °¡»óÀÇ ¸éÀ» »ý°¢Çϰí, ±× ¸é¿¡ ÀÛ¿ëÇÏ´Â À½¾Ð¿¡ ´ëÇÑ ¸éÀ» Åë°úÇϴ üÀû¼ÓµµÀÇ ºñ.

[p:À½¾Ð, u:ÀÔÀÚ¼ÓµµÀÇ º¹¼ÒÁøÆø, S:¸éÀÇ ³ÐÀÌ]

ºñÀ½ÇâÀÓÇÇ´ø½º

(Specific Acoustic Impedance)

´ÜÀ§¸é´ç(S=1) À½ÇâÀÓÇÇ´ø½º

p/u

°íÀ¯À½ÇâÀÓÇÇ´ø½º

(Acoustic Characteristic Impedance)

Æò¸éÁøÇàÆÄ·Î °¡Á¤ÇÒ °æ¿ì, À½ÇâÀÓÇÇ´ø½º´Â À½¼Ó°ú ¹ÐµµÀÇ °ö°ú °°´Ù.

;Ư¼ºÀÓÇÇ´ø½º


p/u = ¥ñc

[¥ñ:¹Ðµµ, c=À½¼Ó]

¹æ»çÀÓÇÇ´ø½º

(Radiation Impedance)

¾î¶² ¸éÀÌ ¼Ò¸®¸¦ ¹æ»çÇÒ ¶§, ºñÀ½ÇâÀÓÇÇ´ø½º¿¡ ¹æ»ç¸éÀûÀ» °öÇѰª.


S p/u = ¥ñc

, (¹æ»ç¸é S°¡ ÆÄÀ庸´Ù ¸Å¿ì ±æ°æ¿ì )

ÀÓÇÇ´ø½º(±â°è)

;¿ªÇÐÀû ÀÓÇÇ´ø½º

F/v = R +iX [v:¼Óµµ,R:ÀúÇ×,X:¸®¾×ÅϽº]

ÀÓÇÇ´ø½º(Àü±â)


Àü¾Ð/Àü·ù

;Àü·ù°¡ È帣±â ¾î·Á¿òÀ» ³ªÅ¸³»´Â ¾ç

V / I , º¹¼Ò¼ö·Î Ç¥±âÇÒ ¶§ ½Ç¼öºÎºÐÀº ÀúÇ×, Çã¼öºÎºÐÀº ¸®¾×ÅϽºÀÌ´Ù.[V:Àü¾Ð, I:Àü·ù]

ÀÓÇÇ´ø½º¸ÅĪ

µÎ °³ÀÇ ¹°¸®¼º°£¿¡ ¼­·Î ÀÓÇÇ´ø½º°¡ °°Áö ¾ÊÀ» °æ¿ì, ¼­·Î Á¶È­ÇÏÁö ¸øÇÔ; ¹Ý»çÇÔ.