Spread-spectrum PN code ranging and differential Positioning technology are used to make it possible to reach such accuracy.
达到高精度的关键是应用了伪随机码扩谱及差分定位技术。
Spread-spectrum PN code ranging and differential Positioning technology are used to make it possible to reach such accuracy.
达到高精度的关键是应用了伪随机码扩谱及差分定位技术。
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