Abstract
The environmental conditions encountered in the surf zone give rise to acoustic channel characteristics which can vary significantly. A state space model is developed which describes these characteristics in sufficient accuracy for evaluating their effect on the performance of a coherent acoustic communications system in the surf zone environment. Using techniques developed by the author and presented at the two prior ASA meetings, the impact of the acoustic channel characteristics on coherent communications system performance is analyzed. The theoretical results are compared to experimental data collected at the Scripps Pier during the Fall of 2000 over several regimes of environmental conditions. [Work supported by ONR.]
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