The experiment shows that the index methods improve searching speed greatly, and the interpolation algorithm is efficient.

实验表明，这两种索引方法能显著提高搜索速度，算法内插效率较高。

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This method changes the phase unwrapping problem into a kind of searching the minimum cost of a network which has mature and efficient methods in network theory.

该算法对干涉相位图建立网络模型，将相位解缠的最小化问题转化为求网络最小费用问题，利用网络规划理论中成熟高效的算法求解。

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