The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射修正。
The fast two-step method of radio wave refraction correction is proposed in this paper. The simulation demonstrates the method meets the requirement of accuracy and speed in project entirely.
如何在确保实时计算速度基础上 ，又能提高其处理精度 ，正是文章构造出的快速折射修正二步方法所解决的课题。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
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