1Wooh S C,Shi Y. A simulation study of the beam steeringcharacteristics for linear phased arrays [ J j. Journal ofNondestructive Evaluation, 1999 ,18 : 39-57.
2胳英.正交异性压电复合材料功能元件的研究[D].南京:南京航空航天大学,2000:122.
3Azar L,Shi Y,Wooh S C, Beam focusing behavior of line-ar phased arrays [J]. NDT & E International, 2000,33(3):189-198.
4Shi-Chang W, Shi Y J. Optimum beam steering of linearphased arrays[J]. Wave Motion, 1999,29(3):245-265.