Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection

Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection

With the problem of attitude measurement accuracy is susceptible to various errors of geomagnetic survey, this paper establishes geomagnetic measurement error ellipsoid model by analysis of on the environment and own errors, uses the maximum likelihood algorithm for solving the static error correcti...

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Main Authors: Li Long, Huang Jiacai
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201823204087
id doaj-b298a354385749b79372308a4adae52b
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spelling doaj-b298a354385749b79372308a4adae52b2021-02-02T00:10:04ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-012320408710.1051/matecconf/201823204087matecconf_eitce2018_04087Recursive of Least Square Based Online Calibration Method in Geomagnetic DetectionLi LongHuang JiacaiWith the problem of attitude measurement accuracy is susceptible to various errors of geomagnetic survey, this paper establishes geomagnetic measurement error ellipsoid model by analysis of on the environment and own errors, uses the maximum likelihood algorithm for solving the static error correction coefficient. The experimental results show that, the maximum of attitude angle errors is less than 5° near blind direction, online combination correction can ensure the accuracy of attitude detection system under different shooting conditions.https://doi.org/10.1051/matecconf/201823204087
collection DOAJ
language English
format Article
sources DOAJ
author Li Long
Huang Jiacai
spellingShingle Li Long
Huang Jiacai
Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
MATEC Web of Conferences
author_facet Li Long
Huang Jiacai
author_sort Li Long
title Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
title_short Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
title_full Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
title_fullStr Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
title_full_unstemmed Recursive of Least Square Based Online Calibration Method in Geomagnetic Detection
title_sort recursive of least square based online calibration method in geomagnetic detection
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2018-01-01
description With the problem of attitude measurement accuracy is susceptible to various errors of geomagnetic survey, this paper establishes geomagnetic measurement error ellipsoid model by analysis of on the environment and own errors, uses the maximum likelihood algorithm for solving the static error correction coefficient. The experimental results show that, the maximum of attitude angle errors is less than 5° near blind direction, online combination correction can ensure the accuracy of attitude detection system under different shooting conditions.
url https://doi.org/10.1051/matecconf/201823204087
work_keys_str_mv AT lilong recursiveofleastsquarebasedonlinecalibrationmethodingeomagneticdetection
AT huangjiacai recursiveofleastsquarebasedonlinecalibrationmethodingeomagneticdetection
_version_ 1724314403749232640

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