FOCUSING ULTRASOUND OVER A LARGE DEPTH WITH AN ANNULAR TRANSDUCER - ALTERNATIVE METHOD

被引:17
作者
BURCKHARDT, CB [1 ]
GRANDCHAMP, PA [1 ]
HOFFMANN, H [1 ]
机构
[1] F HOFFMANN LA ROCHE & CO AG,BASEL,SWITZERLAND
来源
IEEE TRANSACTIONS ON SONICS AND ULTRASONICS | 1975年 / SU22卷 / 01期
关键词
D O I
10.1109/T-SU.1975.30769
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
引用
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页码:11 / 15
页数:5
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BURCKHARDT CB, 1974, IEEE T SONICS ULTRAS, VSU21, P1
[2]  
BURCKHARDT CB, 1973, ACOUSTIC HOLOGRAPHY, V5, P391
[3]  
WELLS PNT, 1969, PHYSICAL PRINCIPLES, P151
[4]   A NEW METHOD OF IMAGE FORMATION WITH ANNULAR APERTURES AND AN APPLICATION IN RADIO ASTRONOMY [J].
WILD, JP .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1965, 286 (1407) :499-&