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针对Goldstein枝切线法容易产生大面积封闭区域和枝切线整体长度较长的问题,该文提出了一种优化枝切线设置的干涉合成孔径雷达相位解缠方法:首先根据干涉条纹图中残差点的分布特点对残差点进行预处理,之后使用改进的遗传禁忌搜索算法计算剩余残差点的优化组合。结果不仅能够有效减少枝切线的整体长度,而且使封闭区域数量明显减少。实验结果表明该方法较好地实现了枝切线的优化设置,在解缠精度上有一定的优越性。
Aiming at the problem that the Goldstein branch tangent method tends to produce a large area of closed area and the length of the tangent line is relatively long, a method of phase unwrapping interferometric synthetic aperture radar is proposed in this paper. Firstly, according to the distribution of residual points in the interference fringe pattern Characteristics The residuals were preprocessed, and then an improved genetic taboo search algorithm was used to calculate the optimal combination of residuals. The results not only can effectively reduce the overall length of the tangential lines, but also significantly reduce the number of closed areas. Experimental results show that this method can well achieve the optimal setting of the tangential lines and has some advantages in the accuracy of unwrapping.