• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 19 Issue 4
Aug.  2006
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Article Contents
FANG Xuedong, HUANG Runqiu, WEI Guangxing. Calculation Method of FANS Route Based on Ellipsoid Model[J]. Journal of Southwest Jiaotong University, 2006, 19(4): 512-516.
Citation: FANG Xuedong, HUANG Runqiu, WEI Guangxing. Calculation Method of FANS Route Based on Ellipsoid Model[J]. Journal of Southwest Jiaotong University, 2006, 19(4): 512-516.

Calculation Method of FANS Route Based on Ellipsoid Model

  • Received Date: 25 Mar 2005
  • Publish Date: 25 Aug 2006
  • To improve the precision of area navigation,the formulas of calculating the initial course and route distance of an FANS(the future air navigation system) route was derived through spatial vector analyses.A simulation calculation was made by the Simpson numerical integral,and the simulated results of the initial course and route distance were compared with those based on the great circle route.The research shows that if the distance of a nearly east-west route is less than 1 000 km,the FANS route is approximately 0.35% longer than the great circle route,but if the distance of a nearly south-north route is less than 1 000 km,the FANS route is about 0.24% shorter than the great circle route.

     

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