Encyclopedia of Solid Earth Geophysics

Living Edition
| Editors: Harsh K. Gupta

Sar Interferometry

  • Masato FuruyaEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-030-10475-7_97-1
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Synonyms

Definition

Radar

Acronym standing for Radio Detection and Ranging. A technique to detect any targets and measure the distance to them, based on the round-trip time of microwave (radio wave) pulses between the antenna and the targets. SAR. Acronym standing for Synthetic Aperture Radar. A technique to image any ground surfaces, using airborne or spaceborne radar sensor. Its high spatial resolution is achieved by collecting numerous return pulses from each target in sight and by effectively synthesizing large antenna size.

InSAR

Acronym standing for Interferometric SAR. A technique to image surface topography and ground displacements, using phase values of two or more SAR images.

Introduction

Crustal deformation data have been traditionally acquired by ground-based geodetic techniques such as leveling, triangulation, and electro-optic distance...

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department of Natural History SciencesHokkaido UniversitySapporoJapan