THE EFFECT OF SOUND WAVE BENDING ON UNDERWATER ACOUSTIC POSITIONING ACCURACY

摘要

Underwater acoustic positioning system solves the problem of how to position and navigate object underwater. Therefore, it can help people to locate the area of disaster to search and succor. But, because there are some differences between water and atmosphere, the factors that influence position will be different. Hence, in this paper, first, the feasibility of apply space resection model underwater is analyzed based on the propagation law of acoustic ray using real surveying data of water property. And then, the relationship between the underwater acoustic positioning accuracy of one positioning model and sound wave bending was deduced.