title: Forward scatter target strength extraction in a marine environment (L).
abstract: A 48 m rail with a moving receiver was used to measure forward scattering from a spherical shell lying on the bottom in the Gulf of Mexico. The target was mid-way between the source and rail, on a line from the source bisecting the rail. The major obstacle to the measurement of forward scattering is the much stronger source signal which overlaps the scattered signal in space and time. Here, forward scattered target strength is obtained by processing the received signals using a wavenumber filter to remove the incident wave. The result compares favorably to that obtained from numerical predictions.
authors.affiliation: Excet, Incorporated, 8001 Braddock Road, Suite 105, Springfield, Virginia 22151, USA. joseph.bucaro.ctr@nrl.navy.mil
authors.forename: J A
authors.initials: JA
authors.lastname: Bucaro
authors.forename: L
authors.initials: L
authors.lastname: Kraus
authors.forename: B H
authors.initials: BH
authors.lastname: Houston
authors.forename: H
authors.initials: H
authors.lastname: Simpson
authors.forename: A
authors.initials: A
authors.lastname: Sarkissian
mesh_terms: D000162:Acoustics / Q000295:instrumentation; D003198:Computer Simulation; D004867:Equipment Design; D005583:Fourier Analysis; D019015:Geologic Sediments; D009038:Motion; D009716:Numerical Analysis, Computer-Assisted; D009792:Oceans and Seas; D012815:Signal Processing, Computer-Assisted; D013016:Sound; D013018:Sound Spectrography; D013997:Time Factors; D014159:Transducers