Degradation data missing interpolation method based on support vector machine and RBF neural network
A technology of support vector machine and degraded data, applied in biological neural network models, electrical digital data processing, special data processing applications, etc., can solve the problems of performance degradation data missing interpolation, etc., and achieve the effect of convenient use
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[0065] Taking a set of simulation data with missing performance degradation as an example, there are 300 complete data, and 120 data are missing in the middle of the data, and the unit has been omitted, such as figure 2 shown. Adopt the degeneration data missing interpolation method based on support vector machine and RBF neural network proposed by the present invention to interpolate its missing data, the application steps and methods are as follows:
[0066] Step 1, using support vector machine to establish a degradation data trend model;
[0067] Using the LS-SVM toolbox embedded in MATLAB software to establish a degradation trend model, the kernel function uses the RBF kernel function, and the regular parameter gam=2.1090×10 6 , the kernel parameter sig2=30.9913, with Y obs with T obs As the training data, the degradation trend model f(t) is obtained. Then through the obtained degradation trend model f(t), the T mis As input, compute the trend sequence Q for missing ...
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