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- 2016
利用历元间坐标差信息加快动态定位中模糊度固定
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Abstract:
整周模糊度固定是高精度GPS定位的关键技术之一,加快模糊度的固定,可扩大GPS定位的应用范围和提高定位结果的可靠性。针对单频接收机动态定位的特点,提出了一种加快模糊度固定的新方法。该方法首先采用站际历元间二次差分定位模型获得高精度的流动站历元间坐标差信息,然后将该坐标差信息附加至模糊度叠加法方程中,以改善法方程的病态性,提高模糊度浮点解的精度,从而加快模糊度的固定。实验结果表明新方法可以加快动态相对定位中模糊度固定速度,具有较高的应用价值
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