Method and device for eliminating outliers in track measurement data and computer equipment
A technology for measuring data and outliers, which is applied to measuring devices, computer components, calculations, etc., and can solve problems such as poor effect of removing speckle-type outliers
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[0090] For the correction and elimination method based on outlier classification, the real data experiment is carried out by sampling the real track within 50s, and adding spot-type outliers and isolated outliers in 11s and 48s respectively to form the original track distribution figure 1 . Then the dot trace curve after outlier identification is obtained through algorithm simulation figure 2 And apply Spline to correct the supplementary points and filter the target curve image 3 .
[0091] Through the verification of the real track point data, it is found that the traditional kalman filter identification method and the method in this paper have the same effect after eliminating the isolated outliers, and the outlier points are effectively eliminated. For the speckle-type outliers, the Spline correction supplementary point elimination method is applied after the kalman filter identification. Compared with the traditional kalman filter identification and elimination method,...
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