Aspects of Signal Processing Part I NATO ADVANCED STUDY INSTITUTES SERIES Proceedings of the Advanced Study Institute Programme. which aims at the dissemination of advanced knowledge and the formation of contacts among scientists from different countries The series is published by an international board of publishers in conjunction with NATO Scientific Affairs Division A Life Sciences Plenum Publishing Corporation B Physics London and New York C Mathematical and D. Reidel Publishing Company Physical Sciences Dordrecht and Boston D Behavioral and Sijthoff International Publishing Company Social Sciences Leiden E Applied Sciences Noordhoff International Publishing Leiden Series C - Mathematical and Physical Sciences Volume 33 - Aspects of Signal Processing Part 1 Aspects of Signal Processing With Emphasis on Underwater Acoustics Part 1 Proceedings o/the NATO Advanced Study Institute held at Portovenere, La Spezia, Italy 30 August-II September 1976 edited by G. TACCONI University of Genoa, Italy D. Reidel Publishing Company Dordrecht-Holland / Boston-U.S.A. Published in cooperation with NATO Scientific Affairs Division Library of Congress Cataloging in Publication Data Nato Advanced Study Institute on Signal Processing with Emphasis on Underwater Acoustics, Portovenere, Italy, 1971 Aspects of signal processing with emphasis on underwater acoustics. (NATO advanced study institutes series Series C, Mathematical and physi·cal sciences ; v. 33, pts. 1-2) Sponsored by NATO Division of Scientific Affairs and Selenia s. p. a., Rome. Includes bibliographical references and index. 1. Signal processing--Addresses, essays, lectures. 2. Sonar--Addresses, essays, lectures. 3. Underwater acoustics--Addresses, essays, lectures. I. Tacconi, G., 1925- II. North Atlantic Treaty Organization. Division of Scientific Affairs. III. Selenia s. p. a. IV. Title. V. Series. TK5102.5.N36 1976 621.38'043 77-3238 ISBN-13: 978-94-010-1225-6 e-ISBN-13: 978-94-010-1223-2 001: 10.1007/978-94-010-1223-2 Published by D. Reidel Publishing Company P.O. Box 17, Dordrecht, Holland Sold and distributed in the U.S.A., Canada, and Mexico by D. Reidel Publishing Company, Inc. Lincoln Building, 160 Old Derby Street, Hingham, Mass. 02043, U.S.A. All Rights Reserved Copyright © 1977 by D. Reidel Publishing Company, Dordrecht, Holland Sofleover reprint of the hardcover 15t edition 1977 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any informational storage and retrieval system, without written permission from the copyright owner TABLE OF CONTENTS CONTENTS OF PART 2 IX LIST OF PARTICIPANTS XIII PREFACE XXI INAUGURAL ADDRESSES XXIII SUBJECT 1 - PROPERTIES OF TIME/SPACE VARIANT TRANSMISSION CHANNEL AND UNDERWATER COMMUNICATIONS MULTIPATH PROPAGATION AND ITS EFFECTS ON SONAR DESIGN AND PERFORMANCE IN THE REAL OCEAN R. J. Urick 3 THE INFLUENCE OF TIME- AND SPACE-VARIANT RANDOM FILTERS ON SIGNAL PROCESSING A. Wasiljeff 19 PARAMETRIC ACOUSTIC ARRAYS L. ~h~ ~ ACOUSTIC AND ELECTROMAGNETIC WAVES PROPAGATING IN A TENUOUS RANDOM R. H. Clarke 61 TIME-FREQUENCY-SPACE GENERALIZED COHERENCE AND SCATTERING FUNCTIONS Robert Laval 69 SERIES EXPANSIONS OF VELOCITY PROFILE, HORIZONTAL RANGE AND TRAVEL TIME OF RAY THEORY IN OCEANS T. Kuyama and T. Kikuchi 89 VI TABLE OF CONTENTS HORIZONTAL SPATIAL COHERENCE MEASUREMENTS WITH EXPLOSIVES AND CW-SOURCES IN SHALLOW WATER B. Scholz 95 MEASUREMENT OF THE WEIGHTING FUNCTION OF THE TIME-VARIANT SHALLOW WATER CHANNEL R. Thiele 109 SUBJECT 2 - DETECTION ESTIMATION AND TRACKING TECHNIQUES POWER-SPECTRUM ESTIMATION O. L. Frost 125 INTRODUCTION TO DETECTION AND ESTIMATION B. Picinbono 163 MODELLING AND DETECTION Ph. de Heering 181 BAYES OPTIMAL VERSUS ESTIMATE AND PLUG ARRAY PROCESSOR PERFORMANCE WHEN THERE IS DIRECTIONAL UNCERTAINTY W. S. Hodgkiss and L. W. Nolte 203 A SEQUENTIAL LIKELIHOOD RATIO DETECTION SYSTEM H. A. Reeder 213 ESTIMATION OF THE TIME POSITION OF A PULSE IN NOISE A. R. Pratt 221 MAXIMUM LIKELIHOOD DETECTION OF SIGNALS IN NOISE OF UNKNOWN LEVEL P. G. Cable 229 THE ROLE OF COHERENCE IN TIME DELAY ESTIMATION G. C. Carter 251 TARGET CLASSIFICATION AND HYPOTHESIS TESTING L. Meier 257 AN ADAPTIVE KALMAN FILTER TRACKER FOR MULTI-MODE RANGE/DOPPLER SONAR C. N. Pryor 265 STRUCTURE ESTIMATION FROM ACOUSTIC REFLECTION MEASUREMENTS K. B. Theriault and A. B. Baggeroer 279 TABLE OF CONTENTS VII SUBJECT 3 - TIME-SPACE PROCESSING, ADAPTIVE PROCESSING AND NORMALIZATION, QUANTIZATION METHODS AN INTRODUCTION TO ADAPTIVE PROCESSING IN A PASSIVE SONAR SYSTEM J. W. R. Griffiths and J. E. Hudson 299 SOME LESSONS FROM ARRAY PROCESSING THEORY P. M. Schultheiss 309 NUMBER THEORETIC TRANSFORMS P. J. W. Rayner 333 STATIONARY AND NONSTATIONARY LEARNING CHARACTERISTICS OF THE 1MS ADAPTIVE FILTER B. Widrow, J. McCool, M. G. Larimore, and C. R. Johnson, Jr 355 AN ADAPTIVE APPROACH TO UNDERWATER PASSIVE DETECTION G. Bienvenu 395 CONTENTS OF PART 2 SUBJECT 3 (continued). OPTL~ ANTENNA PROCESSING: A MODULAR APPROACH C. Giraudon THE FORGOTTEN ALGORITHM IN ADAPTIVE BEAMFORMING E. B. Lunde THE EFFECTS OF SIGNAL AND w~IGHT COEFFICIENT QUANTISATION IN ADAPTIVE ARRAY PROCESSORS J. E. Hudson ADAPTIVE BEAMFOru-HNG IN AN ACTIVE DOPPLER SONAR J. N. Maksym ADAPTIVE ARRAY PROCESSING EXPERL~NTS AT HF L. J. Griffiths SEPARATION AND REPRESENTATION OF SOURCES AND SIGNALS BY A LINEAR ANTENNA H. Debart COMPLEMENTARITY OF PROPAGATION MODEL DESIGN WITH ARRAY PROCESSING H. Mermoz SPECTRAL SIGNAL SET EXTRACTION N. L. Owsley A CONST~~INED ADAPTIVE BEAMFORMER TOLERANT OF ARRAY GAIN AND PHASE ERRORS J. M. McCool x CONTENTS OF PART 2 SIGNAL EXTRACTION ALGORITHMS FOR ADAPTIVE PROCESSING OF ARRAY DATA D. R. Farrier and T. S. Durrani PROPERTIES OF THE DISCRETE FOURIER TRANSFORM (DFT) B. W. Conolly AN ADAPTIVE BEAMFORMER WHICH IMPLEMENTS CONSTRAINTS USING AN AUXILIARY ARRAY PREPROCESSOR L. J. Griffiths SUBJECT 4 - DISPLAYS. PATTERN RECOGNITION, HUMAN DECISION ERROR AND REJECT TRADEOFF FOR NEAREST NEIGHBOR DECISION RULES P. A. Devijver TWO-DIMENSIONAL SPECTRAL ANALYSIS FOR IMAGE CODING, PROCESSING AND RECOGNITION: AN APPROACH BASED ON SOME PROPERTIES OF THE HUMAN VISUAL SYSTEM C. Braccini and G. Gambardella SUBJECT 5 - RELEVANT INPUTS FROM OTHER FIELDS SPECTRUM ANALYSIS C. van Schooneveld and P. J. A. Prinsen AUTOREGRESSIVE AND MAXIMUM LIKELIHOOD SPECTRAL ANALYSIS R. T. Lacoss CONFIDENCE INTERVALS FOR MAXIMUM ENTROPY SPECTRAL ESTIMATES A. B. Baggeroer TEAM DECISION THEORY IN THE OPTIMAL CONTROL OF A COMMUNICATION NETWORK R. Zoppoli TOPOLOGICAL STRUCTURE IN GROUP TRANSFORMS M. L. Retter SOME SIGNAL PROCESSING ASPECTS IN MEDICAL ULTRASOUND C. T. Lancee and N. Bom RECHERCHE ET CARACTERISATION DE DEPENDANCES LINEARES ENTRE SIGNAUX PAR ANALYSE INTERSPECTRALE. APPLICATIONS J. L. Lacoume CONTENTS OF PART 2 XI SUBJECT 6 - MODERN PROCESSOR ARCHITECTURE AND TECHNIQUES LINEAR SIGNAL PROCESSING ARCHITECTURES H. J. ~~itehouse and J. M. Speiser SURFACE-ACOUSTIC-WAVE DEVICES FOR SIGNAL PROCESSING G. Manes and L. Masotti ONE/TWO DIMENSIONAL DIGITAL SIGNAL PROCESSORS V. Cappellini SURFACE-ACOUSTIC-WAVE FOURIER-TRANSFORM PROCESSORS C. Atzeni, G. Manes, and L. Masotti HIGH RESOLUTION SONAR SIMULATION TECHNIQUES D. L. Folds+ and N. H. Anderson SUMMARIES OF HORKSHOPS PROPERTIES OF TIME/SPACE VARIANT CHANNEL chaired by A. Hasiljeff AUTOREGRESSIVE SPECTRAL ANALYSIS chaired by O. L. Frost and L. J. Griffiths ADAPTIVE ARRAY PROCESSING chaired by N. L. Owsley INDEX OF NAMES + Author unable to attend; paper not presented at the Institute but included in these proceedings.
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