Developmentofbeamformingformedicalultrasonicimaging张海澜*,林伟军,王秀明(,100190)[Keywords]Ultrasonics;Beamforming[];[]R4451[]A[]10033289(2010)07139504[](10874202)(2006AA060103)[](1946),,,,:,,[],,100190Email:zhanghl@mail.ioa.ac.cn[]20100406[]20100511,,,,1,11AN,,;1BTN,1A1N1N,,1,,,,1B123,F,F,1B,,,,,,,,,,,,,,,,,,,1B(AB),A,B,,N,1C5,5A,5B,A,,ABA,1CA,,,A,1DB,1E,,1F,A,B,,,,,,,,,(),,,;,,13952010267ChinJMedImagingTechnol,2010,Vol26,No71,,,,,,1540m/s200mm,260s,,,,3800,25,150,,128,;,,,2,,22A(AB),2B,A,2CA,B,2D,A,B,B,2E,2F,B2B,,,2C2E,,,,,,,13962010267ChinJMedImagingTechnol,2010,Vol26,No723;,;,,,,,,,,3,,,(1E)1F,,,,,,,,(1E),,,,3A,,ABC,AB()CAB,A(),B(),,3BAB,0,3BC,AB,13972010267ChinJMedImagingTechnol,2010,Vol26,No74A,(),AB,3CAB,AB,3CCABC,,,;,,,,,34,,,,,,,,,,,,4,,,,,,,,,,,,,,,,,,,5,,,(retrospectivetransmitbeamformation;),4,,4A,A,,A,,,AA,,,4,,,,,,,,6,,,,13982010267ChinJMedImagingTechnol,2010,Vol26,No7