01044nam a2200229 a 4500001001300000005001500013007000300028008004100031041001300072049003000085052001800115056001500133082001500148100004800163245030500211260006600516300004200582502009700624504003200721546003500753900002600788KDM20103575720100811101403ta100701s2010    kjkad    m QO 000   eng  0 aengbkor0 lWM619185lWM619186c2fDM02a620.21bH995a  a530.2512501a620.212211 a현재엽,g玄在燁,d1985-0KAC20185393710aAcoustical topology optimization of waveguide for directivity maximization on mid-low frequency band using evolutionary weighted-sum method =x진화적가중치법을 이용한 중저주파 대역의 지향성을 극대화 하기 위한 웨이브가이드의 음향 위상최적설계 /dJaeyub Hyun  aGwangju :bGwangju Institute of Science and Technology,c2010  ax, 65 leaves :bill., charts ;c30 cm0 aThesis(M.A.) --bGwangju Institute of Science and Technology,cDept. of Mechatronics,d2010.  aBibliography: leaves 63-65.  aIn English; summary in Korean.10aHyun, Jae-yub,d1985-