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Soil permittivity estimation over croplands using full and compact polarimetric SAR data
(Institute of Electrical and Electronics Engineers (IEEE), 2022-11-23)
Article
Open AccessSoil permittivity estimation using Polarimetric Synthetic Aperture Radar (PolSAR) data has been an extensively researched area. Nonetheless, it provides ample scope for further improvements. The vegetation cover over the ... -
Two-dimensional Thouless pumping of light in photonic moiré lattices
(2022-11-08)
Article
Open AccessContinuous and quantized transports are profoundly different. The latter is determined by the global rather than local properties of a system, it exhibits unique topological features, and its ubiquitous nature causes its ... -
Orbit design for a satellite swarm-based Motion Induced Synthetic Aperture Radiometer (MISAR) in low-earth orbit for earth observation applications
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Article
Open AccessSoil Moisture and Ocean Salinity mapping by Earth observation satellites has contributed significantly toward a better understanding of the Earth system, such as its hydrosphere or climate. Nevertheless, an increased spatial ... -
Interferometric orbit determination system for geosynchronous SAR missions: experimental proof of concept
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-01)
Article
Open AccessFuture Geosynchronous Synthetic Aperture Radar (GEOSAR) missions will provide permanent monitoring of continental areas of the planet with revisit times of less than 24 h. Several GEOSAR missions have been studied in the ... -
RFI detection and mitigation for advanced correlators in interferometric radiometers
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-01)
Article
Open AccessThis work presents the first RFI detection and mitigation algorithm for the interferometric radiometers that will be implemented in its correlator unit. The algorithm operates in the time and frequency domains, applying ... -
PSM-DMO: power save mode and discontinuous BLE mesh operation
(2022-08-04)
Article
Open AccessThe Bluetooth Low Energy (BLE) mesh profile, standardized by the Bluetooth Special Interest Group (SIG), has an increasing interest in IoT solutions. However, the standard assumes that relay and friend nodes should be ... -
A deep Q-network-based algorithm for multi-connectivity optimization in heterogeneous cellular-networks †
(2022-08-01)
Article
Open AccessThe use of multi-connectivity has become a useful tool to manage the traffic in heterogeneous cellular network deployments, since it allows a device to be simultaneously connected to multiple cells. The proper exploitation ... -
Advantages of nonlinear intensity components for contrast-based multispectral pansharpening
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-07-01)
Article
Open AccessIn this study, we investigate whether a nonlinear intensity component can be beneficial for multispectral (MS) pansharpening based on component-substitution (CS). In classical CS methods, the intensity component is a linear ... -
Open source software radio platform for research on cellular networked UAVs: It works!
(Institute of Electrical and Electronics Engineers (IEEE), 2022-02-28)
Article
Open AccessCellular network-connected unmanned aerial vehicles (UAVs) experience different radio propagation conditions than radio nodes on the ground. Therefore, it has become critical to investigate the performance of aerial radios, ... -
Sensitivity of delay Doppler map in spaceborne GNSS-R to geophysical variables of the ocean
(Institute of Electrical and Electronics Engineers (IEEE), 2022-10-05)
Article
Open AccessGlobal Navigation Satellite Systems reflectometry (GNSS-R) is a particular case of a multistatic radar in which the signals transmitted by navigation satellites are the signals of opportunity. These signals can be processed ... -
Multitemporal SAR and polarimetric SAR optimization and classification: Reinterpreting temporal coherence
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Article
Open AccessIn multitemporal synthetic aperture radar (SAR) and polarimetric SAR (PolSAR), coherence is a capital parameter to exploit common information between temporal acquisitions. Yet, its use is limited to high coherences. This ... -
Training data selection and dimensionality reduction for polynomial and artificial neural network MIMO adaptive digital predistortion
(IEEE Microwave Theory and Techniques Society, 2022-11)
Article
Open AccessIn 5G and beyond radios, the increased bandwidth, the fast-changing waveform scenarios, and the operation of large array multiple-input multiple-output (MIMO) transmitter architectures have challenged both the polynomial ...
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