The result shows: 1) The linear combination model can simulate the observation errors between roving receivers and reference stations very well.
结果表明：1）线性组合法数学模型能够很好地模拟流动站与参考基准站间的测量误差；
This paper studies the orbit determination of LEO satellites using GPS receivers of single frequency in condition of not depending on GPS differential reference stations.
研究在不依赖于GPS差分基准站的情况下，利用单频gps接收机对低轨卫星进行定轨的算法。
Some researchers propose many viewpoints to the receivers' psychological process, which provides positive reference to us.
学者们对受者的心理过程提出了各种观点，这为我们提供了有益的借鉴。
Some researchers propose many viewpoints to the receivers' psychological process, which provides positive reference to us.
学者们对受者的心理过程提出了各种观点，这为我们提供了有益的借鉴。
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