Min Sihe, Wang Jiachi, Jiang Taihu, i Tian Zhenhua. The calculation research of hyperbolic navigation position fixing based on double station chains loran c navigator[J]. Journal of Electronics & Information Technology, 2003, 25(5): 700-703.
Citation:
Min Sihe, Wang Jiachi, Jiang Taihu, i Tian Zhenhua. The calculation research of hyperbolic navigation position fixing based on double station chains loran c navigator[J]. Journal of Electronics & Information Technology, 2003, 25(5): 700-703.
Min Sihe, Wang Jiachi, Jiang Taihu, i Tian Zhenhua. The calculation research of hyperbolic navigation position fixing based on double station chains loran c navigator[J]. Journal of Electronics & Information Technology, 2003, 25(5): 700-703.
Citation:
Min Sihe, Wang Jiachi, Jiang Taihu, i Tian Zhenhua. The calculation research of hyperbolic navigation position fixing based on double station chains loran c navigator[J]. Journal of Electronics & Information Technology, 2003, 25(5): 700-703.
This paper presents a method which links direct solution and Newton iterative method to calculate ship s position. First, a result of the combination hyperbolic equations is got using the direct solution on the sphere and is taken as the ship s approximate position. Then, Newton iterative method is applied to caculate △ and AA. When △ and △ are less than which is given as a convergent standard beforehand, the ship s position calculated is the correct one. In general, only iterating two or three times, the calculating accuracy is about one second.
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