Results 21 to 30 of about 6,576 (254)
To the question on accuracy of forest heights’ measurements by the TanDEM-X radar interferometry data [PDF]
Сибирский лесной журнал, 2016 The paper presents the validation results of the InSAR method for determining the forest canopy height, based on TanDEM-X and ALOS PALSAR data. The research conducted on the territory of the Baikal-Kudara forest area of the Republic of Buryatia (52°10'N,
T. N. Chimitdorzhiev +5 more
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Real-time optical differentiation for moire interferometry [PDF]
Applied Optics, 1987 Real-time methods for differentiation of in-plane displacement fields produced by the moire interferometry technique are introduced. Two approaches are developed: (1) optical shearing of displacement patterns and (2) superposition of two lateral shear interferograms of wavefronts from 2 diffraction orders of the specimen grating. Coherence problems are
Patorski, K. +3 more
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Evaluating the Preconditions of Two Remote Sensing SWE Retrieval Algorithms over the US
Remote Sensing, 2020 A large amount of fresh water resources are stored in the snowpack, which is the primary source of water for streamflow in many places at middle-to-high latitude areas. Therefore, snow water equivalent (SWE) is a key parameter in the water cycle.
Shadi Oveisgharan +5 more
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Experiments in Differential Speckle Interferometry [PDF]
International Astronomical Union Colloquium, 1982 AbstractWe propose to develop a technique to achieve submillisecond of arc resolution on stellar objects. It uses the fact that the spectrum of the light emitted by such an object often changes across its surface either because of Doppler shifts, Zeeman splitting, abundance anomalies or changes in the stellar atmosphere.
Jacques M. Beckers, E. Keith Hege
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Phase-noise protection in quantum-enhanced differential interferometry
New Journal of Physics, 2014 Differential interferometry (DI) with two coupled sensors is a most powerful approach for precision measurements in the presence of strong phase noise. However, DI has been studied and implemented only with classical resources.
M Landini, M Fattori, L Pezzè, A Smerzi
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Gravitational Redshift in Quantum-Clock Interferometry
Physical Review X, 2020 The creation of delocalized coherent superpositions of quantum systems experiencing different relativistic effects is an important milestone in future research at the interface of gravity and quantum mechanics.
Albert Roura
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Reservoir Dam Surface Deformation Monitoring by Differential GB-InSAR Based on Image Subsets
Sensors, 2020 Ground-based synthetic aperture radar interferometry (GB-InSAR) enables the continuous monitoring of areal deformation and can thus provide near-real-time control of the overall deformation state of dam surfaces. In the continuous small-scale deformation
Peng Wang, Cheng Xing, Xiandong Pan
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Quantum-enhanced differential atom interferometers and clocks with spin-squeezing swapping [PDF]
Quantum, 2023 Thanks to common-mode noise rejection, differential configurations are crucial for realistic applications of phase and frequency estimation with atom interferometers.
Robin Corgier +3 more
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Remote Sensing, 2009 Monitoring of active faults in urban areas is of great importance, providing useful information to assess seismic hazards and risks. The present study concerns the monitoring of the potential ground deformation caused by the active tectonism in the ...
Michael Foumelis +3 more
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ASSESSMENT OF LAND DEFORMATION AND LAND USE RELATIONSHIP IN GARMSAR ALLUVIAL FAN USING SENTINEL-1 DATA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 Differential Synthetic Aperture Radar Interferometry (DInSAR) allows displacements to be detected with millimeter accuracy as well as more advanced methods, such as Persistent Scatterer Interferometry (PSI).
F. Rafiei +2 more
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