共 9 条
[2]
FREUND JE, 1972, MATH STATISTICS
[4]
ESTIMATING THE ACOUSTIC ATTENUATION COEFFICIENT SLOPE FOR LIVER FROM REFLECTED ULTRASOUND SIGNALS
[J].
IEEE TRANSACTIONS ON SONICS AND ULTRASONICS,
1979, 26 (05)
:353-362
[6]
AN APPROACH TO APPROXIMATION PROBLEM FOR NONRECURSIVE DIGITAL FILTERS
[J].
IEEE TRANSACTIONS ON AUDIO AND ELECTROACOUSTICS,
1970, AU18 (02)
:83-+
[8]
ROBINSON DE, 1979, NBS SPEC PUBL, V525, P281
[9]
1983, ULTRASONIC IMAGING, V5, P161