CONTENTS 



page 



INTRODUCTION 1 



THE STEREO-SONAR PROBLEM 1 



SEA TRIALS 4 



Sonar Equipment 4 



Tow System 4 



Stereo-Sonar Operations 4 



RESULTS OF SEA TRIALS 7 



DISCUSSION 12 



CONCLUSIONS 13 



RECOMMENDATIONS 13 



REFERENCES 13 



APPENDIXES 



A — Propagation of Measurement Errors 14 



B — FORTRAN Program for Least-Squares Analysis of Table 3 Data 15 



C — Proposed System for Analog Processing of Stereo-Sonar Signals 19 



NOMENCLATURE 27 



