Research on Classification and Prediction of Underwater Navigation Adaptation Area Based on BP Neural Network

Aiming at the problem of classification and prediction of adaptive area for underwater navigation and positioning, this paper studies the processing of gravity anomaly data and the method of adaptive calibration. Aiming at the problem of calibration and recognition of the current adaptation area, this paper proposes a method based on hierarchical clustering analysis and BP neural network. Firstly, a hierarchical clustering analysis model is proposed to divide the suitability of each underwater navigation and positioning area. Through data preprocessing, interpolation encryption and significance analysis, the suitability calibration of the area is completed. Secondly, a BP neural network prediction model is established to predict the adaptability of the region, and the performance of the model is improved by normalization processing and network parameter optimization. Finally, through experimental verification, the classification results of the adaptation area and the prediction results of the BP neural network are obtained. The prediction accuracy is 82.7929% and the correlation coefficient is 0.94641, which verifies the effectiveness of the proposed method. This method provides theoretical support and decision-making basis for the navigation accuracy improvement of underwater vehicles and marine economic development planning.