January 1996 VOLUME 21 NUMBER 1 IJOEDY(ISSN 0364-9059)

NONTECHNICAL CONTENT
Front cover and table of contents
Back cover

PAPERS
D. P. Knobles and Robert A. Koch A time series analysis of sound propagation in a strongly multipath shallow water environment with an adiabatic normal mode approach 1
Dennis W. Ricker and Michael J. Gustafson A low sidelobe technique for the direct measurement of scattering functions 14
Edward J. Yoerger and Suzanne T. McDaniel Vertical spatial coherence model for a transient signal forward-scattered from the sea surface 24
James V. Candy and David H. Chambers Internal wave signal processing: A model-based approach 37
Guoliang Jin and Dajun Tang Uncertainties of differential phase estimation associated with interferometric sonars 53
Lucy R. Wyatt and Louise J. Ledgard OSCR wave measurements--Some preliminary results 64
Wen-Hao Yang and Po-Rong Chang Programmable switched-capacitor neural network for MVDR beamforming 77
Hien B. Nguyen, Harry A. DeFerrari, and Neil J. Williams A general purpose autonomous transmitter and receiver system for underwater acoustic experiments 85

TECHNICAL COMMUNICATIONS
M. Wazenski, D. Alexandrou, and D. DeFatta ROC evaluation of adaptive beamforming in a simulated shallow water environment 94
G. Lachapelle, M. E. Cannon, G. Lu, and B. Loncarevic Shipborne GPS attitude determination during MMST-93 100
Lixue Wu, Adam Zielinski, John S. Bird, and Robert Kieser Synthesis of symmetric flattop radiation patterns 105
William J. Marshall Descriptors of impulsive signal levels commonly used in underwater acoustics 108