Abstract
Underwater vehicle navigation technique is one of the important issues to the development and application of the long-range underwater vehicle technology. In order to meet the concealment of underwater navigation, we present a kind of independent underwater navigation system based on geomagnetic match technique in this paper. Firstly, we introduce the composition of the system, the work principles and functions of each component. In the whole system, the navigation algorithm is the core. Therefore, we study two match navigation algorithms, which are the terrain contour matching (TERCOM) and the iterated closest contour point (ICCP). Based on above researches, we design the system of underwater geomagnetic navigation. The system is tested and proved by actual experiments. The results show that the system of underwater geomagnetic matching navigation is accurate and credible. Some suggestions are also given finally.
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