GDOP is an important concept of GPS.

GDOP是GPS系统中的一个重要概念。

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GPS positioning accuracy is influenced by Geometric Dilution of Precision (GDOP), Signal Noise Ratio (SNR) and so on.

几何精度衰减因子gdop和卫星信噪比SNR等多方面因素的影响，增大了GPS单点定位误差。

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We also discuss the effect of GDOP with the number of satellites. It is also proved in theory that the lowest GDOP using the matrix theory.

讨论了卫星数量对GDOP的影响，并用矩阵理论对其最小值进行证明。

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