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INTERPOLATION TECHNIQUE BASED ON RBF NEURAL NETWORK OF GPS BROADCAST EPHEMERIS
Author(s): Tao Tingye, Gao Fei, Liu Wenxing, Zhang Chunxi
Pages: 44-
46
Year: 2012
Issue:
2
Journal: Journal of Geodesy and Geodynamics
Abstract: 针对多项式插值计算任意时刻GPS卫星坐标过程中出现的Runge现象,提出了采用径向基函数(Radial Basis Function,RBF)神经网络对GPS广播星历计算所得卫星坐标进行插值.选用2011-07-25日广播星历,利用径向基函数神经网络插值计算GPS卫星坐标,并将其与直接法计算的GPS卫星坐标比较,结果表明该方法能有效避免Runge现象,提高了插值稳定性,插值精度高,可满足GPS单点...
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