Abstract
Abstract : Pulsed sonar apparatus is used to search for projections from the submarine bottom. It was learned that there are several methods of surveying a large area of the sea floor in a short time. The selection of a particular searching technique must be governed by the problem at hand, taking into account such parameters as the water depth, maneuverability of the ship, and general type of submarine terrain. Often a succession of techniques may be of use in investigating a particular area. It is the intent here to demonstrate that even relatively simple sonar systems, when intelligently and systematically employed, can yield a tremendous amount of information in a short time.
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