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A New Method for the Acquisition of Deviation Coefficients B and C at a Single Magnetic Heading

단일 자기침로에서의 자차계수 B와 C의 새로운 획득방법

  • Yim Jeong-Bin (Division of Maritime Transportation System, Mokpo Maritime University) ;
  • Sim Yeong-Ho (Department Maritime Transportation System, Graduate School of Mokpo Maritime University)
  • 임정빈 (목포해양대학교 해상운송시스템학부) ;
  • 심영호 (목포해양대학교 대학원)
  • Published : 2004.12.01

Abstract

This paper describes a new method for the acquisition of deviation coefficients, B and C, using a single observed deviation at a fixed compass heading. At first it discusses some problems in the synthesis of two coefficients, B and C, from various observed deviation values in the four USS warships. Then, new theories and procedures for optimal coefficients, $\^{B}\;and\;\^{C},$ are dealt with and then the validity of the proposed method are evaluated. The result of findings indicates that the approximated coefficients, $\^{B}\;and\;\^{C},$ can give optimal approximation to an single observed deviation.

본 연구에서는 고정된 나침 방위에서 측정한 단일 자차만을 이용하여 자차계수 B와 C를 추정할 수 있는 새로운 방법을 기술하였다. 먼저, 4척의 미해군 함정에서 실제 측정한 자차를 이용하여 자차계수 B와 C만을 적용하여 자차합성하는 경우의 문제점을 분석하였다. 그리고, 최적 추정계수 $\^{B}$$\^{C}$의 획득 이론과 절차를 전개하고, 제안한 방법의 유효성을 평가하였다. 평가결과, 추정한 $\^{B}$$\^{C}$의 측정한 단일 자차를 최적으로 근사할 수 있음을 나타냈다.

Keywords

References

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Cited by

  1. Finding Declinations Using Lookup Tables and Bilinear Interpolation in the Application of Digital Magnetic Compass vol.36, pp.9, 2012, https://doi.org/10.5394/KINPR.2012.36.9.699