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Presented a new method of recognizing and sorting of heart sound signal, using heart sound signal analysis and improved back propagation artificial Neural Network. Firstly, the heart sound signal has to be digitally filtered to eliminating the noise. The neural network adopted is improved back propagation three-layer artificial Neural Network, with an optimized BPN6-3-2 network topology. Get the characteristic...
A network model using Self-organizing map (SOM) and Outputs Modifiable Radial Basis Function (OMRBF) is proposed to identify acoustic fault of underwater vehicles. This model integrates unsupervised SOM with supervised OMRBF to accomplish incremental learning. The outputs neurons of this model can be modified on-line, and SOM is utilized to determine the optimal number of hidden neurons. Experiment...
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