Fitting method of complex water level process
A kind of water level and complex technology, which is applied in the direction of engine lubrication, open-air water source survey, liquid/fluid solid measurement, etc. It can solve the problems of not considering strong coupling effect, poor model universality, unable to give the form of nonlinear terms, etc. To achieve the effect of ease of use, reduction of model errors, and universal applicability
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[0024] 1. The specific steps of the present invention are as follows:
[0025] Step 1 According to the fitting of water level process y, determine all possible influence factors x of y 1 ,..., x n , And sort out the corresponding original data according to the principle that the influencing factors correspond to the corresponding water level. According to the data sorted out by x 1 ,..., x n Scatter plot or linear correlation coefficient between two pairs, exclude x 1 ,..., x n Collinearity relationship between.
[0026] Do not exclude any possible influencing factors with corresponding observation data here, because considering the different combinations of the states of these factors, it may have a strong joint effect on y.
[0027] The collinearity between influencing factors indicates that these factors have almost the same physical meanings, and only the factors with sample observation values and relatively simple forms are retained.
[0028] After eliminating the collinearity ...
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