Theoretic study and experiment show that the new method solves the problem which simplex GPS leveling can't connect different height systems and so it is an effectively precise method.
理论研究和实验表明，新方法克服了单纯GPS水准无法连接不同高程系统的困难，是一种有效的高精度方法。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
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