Pasovic, M.

imaging ultrasound signal amplitude component reduction contrast method pulse frequency tissue nonlinear phase transducer suppression harmonic multiple-component shrs pressure result propagation amplitude spectrum component shrs technique figure agent medium simulation ultrason jong n −20 region imaging signal ultrasound contrast agents excitation spectrum control reduction signal distance pasovic j acoust soc source shi method multiple-component ferroelectr pulses p krishnan inversion hydrophone ultrasound wave ieee ultrasonics symp water level ultrasound contrast fi ltered −30 ultrasonic study −40 range cycle −50 20 db distortion equation bouakaz propagating multiplecomponent shrs sum pshi atr 2 −10 christopher back-scattered echo response number imaging pulse 1.5 1.5 mhz image acoust detection