共 18 条
- [1] ABRAMOWITZ M, 1968, HDB MATH FUNCTIONS, P364
- [3] BORN M, 1964, PRINCIPLES OPTICS, P752
- [5] Burckhardt C. B., 1974, ACOUSTICAL HOLOGRAPH, V5, P391
- [6] FOCUSING ULTRASOUND OVER A LARGE DEPTH WITH AN ANNULAR TRANSDUCER - ALTERNATIVE METHOD [J]. IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, 1975, SU22 (01): : 11 - 15
- [7] COLLINS HD, 1975, ACOUSTICAL HOLOGRAPH, V6, P597
- [8] DIETZ DR, 1978 P ULTR S