共 15 条
[1]
Akiyama I., 1988, ACOUST IMAG, V17, P499
[3]
CHEN EJ, 1991, P IEEE ULTRA SENSES, P1211
[4]
CHEN JT, 1989, P IEEE INT S CIRCUIT, P208
[7]
Jong P.G.M., 1991, ULTRASONIC IMAGING, V13, P145