The Application of Total Least Squares Method in Data Fitting of Speed Radar

Cheng Chen; Chang Jin Liu

doi:10.4028/www.scientific.net/AMM.203.69

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 203The Application of Total Least Squares Method in...

The Application of Total Least Squares Method in Data Fitting of Speed Radar

Abstract:

For acquiring the initial velocity of high-speed object, it needs data fitting to get the unknown parameters. Least squares method(LS) is usually uses to complete this work, but LS method takes no account of the errors in the observation matrix, not only may makes error in unknown parameters' fitting, but also do harm to the further analysis. Therefore, this paper lead total least squares method(TLS) into data fitting, it can at the same time in consideration of observation data and its error margin, and at last in actually measure data analysis to prove TLS compare to LS enjoy higher accuracy.

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Periodical:

Applied Mechanics and Materials (Volume 203)

Pages:

69-75

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.203.69

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Online since:

October 2012

Authors:

Cheng Chen, Chang Jin Liu

Keywords:

Linear Fitting, TLS, Velocity Testing

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