Research on topographic influences and correction methods in InSAR Phase Gradient Stacking

FENG Bin; LI Menghua; WEI Lei; HUANG Cheng; TANG Bohui

doi:10.11834/jrs.20265316

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Research on topographic influences and correction methods in InSAR Phase Gradient Stacking
“The phase gradient stacking method has the advantages of not relying on phase unwrapping, being insensitive to atmospheric errors, high computational efficiency, and being less affected by decoherence. Researchers have established a phase gradient stacking method that takes into account geometric distortions. By introducing a unified spatial reference for the field distance corresponding to adjacent pixels, the perspective shrinkage effect is effectively weakened, providing a solution for landslide identification in complex mountainous areas.”
- role：First author第一作者
- Affiliation：
  Faculty of land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
- Email：20232101050@stu.kust.edu.cn
- Introduction：俸彬，研究方向为InSAR地质灾害监测。E-mail：20232101050@stu.kust.edu.cn
FENG Bin
1 * ,
- role：Corresponding author通信作者
- Affiliation：
  Faculty of land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  Yunnan Provincial Key Laboratory of Quantitative Remote Sensing (Under Preparation), Kunming 650093, China
  Yunnan International Joint Laboratory for Integrated Intelligent Monitoring of Mountain Hazards by Sky and Land, Kunming 650093, China
- Email：menghuali@kust.edu.cn
- Introduction：李梦华，研究方向为InSAR地质灾害监测。E-mail：menghuali@kust.edu.cn
LI Menghua
123 * ,
- Affiliation：
  Faculty of land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  Yunnan Institute of Geological Environment Monitoring, Kunming 650093, China
WEI Lei
14 * ,
- Affiliation：
  Faculty of land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  Yunnan Institute of Geological Environment Monitoring, Kunming 650093, China
HUANG Cheng
14 * ,
- Affiliation：
  Faculty of land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  Yunnan Provincial Key Laboratory of Quantitative Remote Sensing (Under Preparation), Kunming 650093, China
  Yunnan International Joint Laboratory for Integrated Intelligent Monitoring of Mountain Hazards by Sky and Land, Kunming 650093, China
TANG Bohui
123 *
Vol. 30, Issue 4, Pages: 957-970(2026)
DOI：10.11834/jrs.20265316
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Research on topographic influences and correction methods in InSAR Phase Gradient Stacking

FENG Bin

LI Menghua

WEI Lei

HUANG Cheng

TANG Bohui

DOI：10.11834/jrs.20265316

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