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Advanced MT-InSAR Landslide Monitoring: Methods and Trends

机译：先进的MT-InSAR滑坡监测：方法和趋势

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MT-InSAR (Multi-temporal Interferometric Synthetic Aperture Radar) is a powerful remote sensing technique used to measure earth surface displacements and monitor their trend throughout the years over different times. It employs multiple time series of SAR images and extracts spatial height information over large scales of illuminated areas. It is a proficient technique to acquire all season day and night data with high accuracy and wide spatial coverage. Although conventional InSAR technique have vast successful applications but several limitations like decorrelation of phase, error in phase unwrapping and atmospheric artifacts hinders its use, which, in fact, have resulted in the development of more innovative multi-temporal InSAR (MTInSAR) techniques which has proved an enhancement in accuracy and consistency of extracted deformation time series. This paper provides a review of development of MTInSAR techniques, basic principles behind them, their strengths and limitations and a review of the applications of the advanced algorithms proposed in the literature and deformation measurement trends being followed. The paper accomplishes discussions on the main strengths, limitations, cross-comparison among approaches and the associated research trends.
机译：MT-InSAR（多时相干涉合成孔径雷达）是一种强大的遥感技术，用于测量地表位移并监测多年来不同时间的趋势。它采用了多个时间序列的SAR图像，并提取了大范围照明区域的空间高度信息。这是一种能够以高精度和宽广的空间覆盖范围获取全季昼夜数据的熟练技术。尽管常规InSAR技术已获得了成功的广泛应用，但诸如相位解相关，相位解缠误差和大气伪影等一些局限性阻碍了其使用，实际上，这导致了更具创新性的多时InSAR（MTInSAR）技术的发展。证明了提取变形时间序列的准确性和一致性的提高。本文概述了MTInSAR技术的发展，其基本原理，其优势和局限性，并综述了文献中提出的高级算法的应用以及随之而来的变形测量​​趋势。本文完成了关于方法的主要优点，局限性，交叉比较以及相关研究趋势的讨论。

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