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COMPUTING GLOBAL HARMONIC PARAMETERS FOR FLOOD MAPPING USING TU WIEN’S SAR DATACUBE SOFTWARE STACK [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
TU Wien’s flood mapping algorithm, used for global operations, utilizes harmonic functions to model the seasonal behavior of backscatter to improve flood classification.
M. Tupas   +6 more
doaj   +1 more source

Microwave Remote Sensing of Soil Moisture

open access: yesRemote Sensing, 2023
Soil moisture is an important component of the global terrestrial ecosystem and has been recognized as an Essential Climate Variable (ECV) by the Global Climate Observing System (GCOS) [...]
Zeng, Jiangyuan   +4 more
openaire   +5 more sources

A Ku Wideband Circularly Polarized Microstrip Antenna Array with Low Profile Crossed-Dipole Element

open access: yesInternational Journal of Antennas and Propagation, 2023
This paper presents a novel Ku wideband circularly polarized (CP) antenna array composed of crossed-dipole element (CDE) and fed through sequential rotation (SR) feeding technique.
Haipeng Liu, Yunhua Zhang, Xiaowen Zhao
doaj   +1 more source

An Innovative Supervised Classification Algorithm for PolSAR Image Based on Mixture Model and MRF

open access: yesRemote Sensing, 2022
The Wishart mixture model is an effective tool for characterizing the statistical distribution of polarimetric synthetic aperture radar (PolSAR) data. However, due to the difficulty in determining the equivalent number of looks, the Wishart mixture model
Mingliang Liu   +6 more
doaj   +1 more source

Microwave remote sensing from space [PDF]

open access: yesProceedings of the IEEE, 1985
Spaceborne microwave remote sensors provide perspectives of the earth surface and atmosphere which are of unique value in scientific studies of geomorphology, oceanic waves and topography, atmospheric water vapor and temperatures, vegetation classification and stress, ice types and dynamics, and hydrological characteristics.
Carver, Keith R.   +2 more
openaire   +2 more sources

Microwave remote sensing of falling snow [PDF]

open access: yesProceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05., 2005
This study analyzes passive and active microwave measurements during the 2003 Wakasa Bay field experiment for understanding of the electromagnetic characteristics of frozen hydrometeors at millimeter-wave frequencies. Based on these understandings, parameterizations of the electromagnetic scattering properties of snow at millimeter-wave frequencies are
Min-Jeong Kim   +7 more
openaire   +1 more source

A Bragg-Like Point Extraction Method for Co-polarization Channel Imbalance Calibration

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Calibration by distributed targets is an important part of polarimetric calibration (PolCAL) without corner reflectors (CRs). Currently, both the correlation of HH and VV ($R_{\text{hhvv}}$) and the equivalent number of looks (ENL) constitute the common ...
Xingjie Zhao   +5 more
doaj   +1 more source

Processing of Very High Resolution GF-3 SAR Spotlight Data With Non-Start–Stop Model and Correction of Curved Orbit

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
A novel imaging algorithm is presented in this article for focusing the very high resolution spaceborne synthetic aperture radar (SAR) data of spotlight mode.
Da Liang   +6 more
doaj   +1 more source

Implementation of a Phase Synchronization Scheme Based on Pulsed Signal at Carrier Frequency for Bistatic SAR

open access: yesSensors, 2020
Phase synchronization is one of the key technical challenges and prerequisites for the bistatic synthetic aperture radar (SAR) system, which can form a single-pass interferometry system to perform topographic mapping.
Yafeng Chen   +8 more
doaj   +1 more source

Micro-Doppler feature extraction method for vibration targets based on the segmental intrinsic chirp component decomposition

open access: yesThe Journal of Engineering, 2019
Based on the three-antenna interferometric radar system, a novel micro-Doppler feature extraction method for vibration targets is proposed in this study.
Kang Wenwu, Zhang Yunhua, Dong Xiao
doaj   +1 more source

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