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InSAR and A-InSAR: Theory

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  • First Online:
Encyclopedia of Earthquake Engineering

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Synonyms

DInSAR; Interferometric synthetic aperture radar; MT-InSAR; Multi-temporal InSAR; Persistent scatterer InSAR; PSI; PS-InSAR; SAR interferometry; SBAS; SB-INSAR; Small baseline InSAR; Time-series InSAR; TS-InSAR

Introduction

The SAR technique allows the formation of high-resolution radar images from the data acquired by side-looking instruments installed on spacecraft, aircraft, or the ground. The fundamentals underlying SAR image processing are presented in Chapter 3 “SAR Images, Interpretation of”. Each pixel of an image corresponds to the scattered signal from a resolution element on the ground, which is transmitted and received by the SAR. A pixel is characterized by two values: the amplitude and the phase. While the amplitude of a single image can be interpreted in terms of the backscattering properties of the ground (Fig. 1a), the phase is not very informative because it is a pseudorandom contribution from the configuration of all scatterers within the resolution...

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Author information

Authors and Affiliations

  1. School of Earth and Environment, The University of Leeds, Maths/Earth and Environment Building, Leeds, LS2 9JT, UK

    Andrew Hooper

Authors
  1. Andrew Hooper
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Corresponding author

Correspondence to Andrew Hooper .

Editor information

Editors and Affiliations

  1. Institute for Computer Science in Civil Engineering, Gottfried Wilhelm Leibniz, University Hannover, Hannover, Germany

    Michael Beer

  2. Department of Civil Engineering & Engineering Mechanics, Columbia University, New York, NY, USA

    Ioannis A. Kougioumtzoglou

  3. Institute for Risk & Uncertainty and Centre for Engineering Sustainability, Liverpool, UK

    Edoardo Patelli

  4. Institute for Risk & Uncertainty and Centre for Engineering Dynamics, Liverpool, UK

    Siu-Kui Au

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Hooper, A. (2015). InSAR and A-InSAR: Theory. In: Beer, M., Kougioumtzoglou, I.A., Patelli, E., Au, SK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35344-4_220

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