January 1992	VOLUME 17	NUMBER 1	IJOEDY	(ISSN 0364-9059)

 SPECIAL ISSUE ON Acoustic Synthetic Aperture Processing

NONTECHNICAL CONTENT
		Front cover and table of contents
		Back cover
GUEST EDITORIAL
Edmund J. Sullivan, William M. Carey, and Stergios Stergiopoulos		Editorial		1
SPECIAL ISSUE PAPERS
Ross Williams and Bernard Harris		Passive acoustic synthetic aperture processing techniques		8
Stergios Stergiopoulos and Heinz Urban		A new passive synthetic aperture technique for towed arrays		16
Albert H. Nuttall		The maximum likelihood estimator for acoustic synthetic aperture processing		26
Geoffrey S. Edelson and Edmund J. Sullivan		Limitations on the overlap-correlator method imposed by noise and signal characteristics		30
Nai-chyuan Yen		A circular passive synthetic array: An inverse problem approach		40
Geoffrey S. Edelson and Donald W. Tufts		On the ability to estimate narrow-band signal parameters using towed arrays		48
Stergios Stergiopoulos and Heinz Urban		An experimental study in forming a long synthetic aperture at sea		62
Kenneth D. Rolt and Henrik Schmidt		Azimuthal ambiguities in synthetic aperture sonar and synthetic aperture radar imagery		73
Michael P. Hayes and Peter  T. Gough		Broad-band synthetic aperture sonar		80
Jacques Chatillon, Marie-Edith Bouhier, and Manell E. Zakharia		Synthetic aperture sonar for seabed imaging: Relative merits of narrow-band and wide-band approaches		95
Michael P. Bruce		A processing requirement and resolution capability comparison of side-scan and synthetic-aperture sonars		106
Subramaniam D. Rajan, George V. Frisk, and James F. Lynch		On the determination of modal attenuation coefficients and compressional wave attenuation profiles in a range-dependent environment in Nantucket Sound		118
REGULAR ISSUE PAPERS
Ferial El-Hawary, Fred Aminzadeh, and G. A. N. Mbamalu		The generalized Kalman filter approach to adaptive underwater target tracking		129
Xavier Lurton		The range-averaged intensity model: A tool for underwater acoustic field analysis		138
Jin Wu		Individual characteristics of whitecaps and volumetric description of bubbles		150
Edward Y. T. Kuo		Acoustic wave scattering from two solid boundaries at the ocean bottom: Reflection loss		159
Diana F. McCammon		Converting bottom loss measured from a rough-layered sediment to the equivalent "Flat-bottom" loss		171