Non-interferometric phase retrieval using refractive index manipulation
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep46223
Abstract: We present a novel, inexpensive and non-interferometric technique to retrieve phase images by using a liquid crystal phase shifter without including any physically moving parts. First, we derive a new equation of the intensity-phase relation… read more here.
Keywords: phase; phase shifter; interferometric phase; non interferometric ... See more keywords
Role of indistinguishability in interferometric phase estimation
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.062125
Abstract: We report a theoretical and experimental study on the role of indistinguishability in the estimation of an interferometric phase. In particular, we show that the quantum Fisher information, which limits the maximum precision achievable in… read more here.
Keywords: estimation; role indistinguishability; interferometric phase; indistinguishability ... See more keywords
Airborne InSAR Interferometric Phase Analysis, Unwrapping Method, and Fast Implementation in Low Coherence Areas
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2020.3020148
Abstract: Due to synthetic aperture radar (SAR) imaging geometry and scattering characteristics, there are some low coherence areas in interferometric SAR (InSAR) data, such as shadow and water, where the interferometric phase is discontinuous. Therefore, it… read more here.
Keywords: low coherence; unwrapping method; coherence areas; interferometric phase ... See more keywords
An Unsupervised CNN-Based Multichannel Interferometric Phase Denoising Method Applied to TomoSAR Imaging
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2023.3263964
Abstract: Tomographic synthetic aperture radar (TomoSAR) is an advanced SAR interferometric technique to retrieve 3-D spatial information. However, the standard deviation in the reconstructed elevation could be high due to the noise in the interferometric phases,… read more here.
Keywords: multichannel interferometric; interferometric phase; phase; phase denoising ... See more keywords
Coastal Altimetry Using Interferometric Phase From GEO Satellite in Quasi-Zenith Satellite System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3068376
Abstract: Global navigation satellite system reflectometry (GNSS-R) altimetry has great potential to provide high spatial–temporal resolution sea surface heights (SSHs) at low cost. Interferometric phase measurements between direct and reflected signals can be used for altimetry… read more here.
Keywords: altimetry; satellite; geo; interferometric phase ... See more keywords
Interferometric Phase Optimization Based on PolInSAR Total Power Coherency Matrix Construction and Joint Polarization-Space Nonlocal Estimation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3053278
Abstract: Interferometric phase optimization is important key processing for ensuring the application performance of interferometric synthetic aperture radar (InSAR) technology. The noise’s standard deviation depends on the number of looks and the coherence magnitude. Usually, the… read more here.
Keywords: phase optimization; interferometric phase; polarization; phase ... See more keywords
Learning Convolutional Sparse Coding on Complex Domain for Interferometric Phase Restoration
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Neural Networks and Learning Systems"
DOI: 10.1109/tnnls.2020.2979546
Abstract: Interferometric phase restoration has been investigated for decades and most of the state-of-the-art methods have achieved promising performances for InSAR phase restoration. These methods generally follow the nonlocal filtering processing chain, aiming at circumventing the… read more here.
Keywords: phase restoration; sparse coding; interferometric phase; convolutional sparse ... See more keywords
An Accurate Permittivity Measurement Using Interferometric Phase Noise Averaging for Terahertz Imaging
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Terahertz Science and Technology"
DOI: 10.1109/tthz.2018.2803445
Abstract: We propose a permittivity measurement system that uses an interferometric phase noise averaging method with multiple tones with an optimal frequency interval. The permittivity is measured by a free space method using terahertz continuous waves… read more here.
Keywords: interferometric phase; measurement; phase noise; permittivity ... See more keywords