January 1993	VOLUME 18	NUMBER 1	IJOEDY	(ISSN 0364-9059)

NONTECHNICAL CONTENT
		Front cover and table of contents
		Back cover
PAPERS
S. Aravindan, N. Ramachandran, and Prabhakar S. Naidu		Fast matched field processing		1
Lixue Wu and Adam Zielinski		Equivalent linear array approach to array pattern synthesis		6
Jean-Marie Q. D. Tran and William S. Hodgkiss		Spatial smoothing and minimum variance beamforming on data from large aperture vertical line arrays		15
Lawrence J. Ziomek and F. Wynn Polnicky		The RRA algorithm: Recursive ray acoustics for three-dimensional speeds of sound		25
Hassan B. Ali		Oceanographic variability in shallow-water acoustics and the dual role of the sea bottom		31
Michael E. Evans		A microstructure flux profiler control system design		42
J. Yuh and Ranganath Lakshmi		An intelligent control system for remotely operated vehicles		55
Robert A. Malkin and Dimitri Alexandrou		Acoustic classification of abyssopelagic animals		63
CORRESPONDENCE
Lawrence J. Ziomek		Three necessary conditions for the validity of the Fresnel phase approximation for the near-field beam pattern of an aperture		73
J. Y. Jourdian		Comments on "The real time implementation of propagator bearing estimation algorithm by the use of a neural network"		76