Terrain effect analysis and compensation method for polarimetric synthetic aperture radar interferometry height parameter inversion | Zendy

Zhiyong Suo | Zendy; Tingting Wang | Zendy; Chao Xue | Zendy; Tao Zhang | Zendy

Open Access

Terrain effect analysis and compensation method for polarimetric synthetic aperture radar interferometry height parameter inversion

Author(s) -

Zhiyong Suo,

Tingting Wang,

Chao Xue,

Tao Zhang

Publication year - 2022

Publication title -

iet radar, sonar and navigation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.489

H-Index - 82

eISSN - 1751-8792

pISSN - 1751-8784

DOI - 10.1049/rsn2.12306

Subject(s) - remote sensing , interferometry , inversion (geology) , polarimetry , terrain , synthetic aperture radar , interferometric synthetic aperture radar , geology , radar , geodesy , compensation (psychology) , optics , computer science , physics , geography , seismology , scattering , telecommunications , cartography , psychology , psychoanalysis , tectonics

In this paper, the terrain effect on parameter inversion performance of polarimetric synthetic aperture radar (PolSAR) and polarimetric SAR interferometry (PolInSAR) are analysed first. Based on the analysis of the terrain effect on single pixel processing, the terrain effect between adjacent pixels is addressed for both PolSAR and PolInSAR image pairs. Through the analysis, the terrain effect should be considered not only for the single pixel data calibration but also for the adjacent pixels of PolSAR and PolInSAR parameter inversion processing. Therefore, combining with the geometric model correction of sloped‐random volume over ground, the terrain‐compensated procedure is proposed for PolInSAR parameter inversion. The parameter inversion performance is improved effectively with terrain effect consideration. The effectiveness of the proposed method is investigated by the PolSARPro simulated dataset and the real Phased Array L‐Band Synthetic aperture Radar (PALSAR) dataset.

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