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- 2016
北斗接收机初始相位偏差特性分析
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Abstract:
研究接收机初始相位偏差对于恢复模糊度的整数特性具有重要意义。本文推导了北斗接收机间单差的频率间接收机初始相位偏差计算公式,利用零基线数据对其特性进行分析,并得出以下结论:单差频率间相位偏差具有短期稳定性,并不随卫星高度角变化而变化;接收机刚开始跟踪卫星时,单差频率间相位偏差需要一定的收敛时间才能达到稳定值;单差频率间相位偏差并不具有长期稳定性,接收机重新跟踪卫星后,其值会发生变化;接收机间单差的频率间相位偏差针对不同卫星在相同频率组合上是一致的
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