• Accurate carrier phase measurement is an important research direction in precise ranging.

    精确载波相位测量精密测距一个很重要研究点。

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  • In this thesis, the EMW-based precise ranging technology was studied, a location system based on PTR8000 was proposed fulfilling coarse location.

    本文针对井下人员定位系统,深入研究基于电磁波测距精确定位方法,并提出套基于PTR8000的井下人员定位系统方案。

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  • Ultrasonic positioning is simple in structure, practical, low cost, the advantages of precise ranging. Therefore, was widely applied to various fields.

    超声波定位具有结构简单实用性强成本测距精准等优点因此广泛应用各个领域。

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  • The algorithm is applicable to precise measuring of the PN code phase of satellite positioning signals and spread-spectrum ranging signals.

    算法主要应用领域为卫星定位信号直序扩频测距信号PN相位精确测量

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  • The results of simulational experiment show that the method of passive ranging and tracking is effective and fairly precise by the magnetic dipole sour ce within the undersea functional range.

    结果表明水下有效测量距离范围内,利用偶极子辐射源进行被动测距跟踪方法有效的,具有较高测距精度

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  • The experiment results indicate that the algorithm improves ranging precision and the estimation of distance measurement is more precise than that of weighted average method.

    实验结果表明方法提高了整体测距精度,得到距离更加准确估计

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  • The experiment results indicate that the algorithm improves ranging precision and the estimation of distance measurement is more precise than that of weighted average method.

    实验结果表明方法提高了整体测距精度,得到距离更加准确估计

    youdao

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