Results 81 to 90 of about 284 (118)
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Near-Specular Interferometry With Signals of Opportunity Systems: Potential and Limitations
IEEE Transactions on Geoscience and Remote SensingAn analysis of the potential and limitations of interferometry using near-specular signals of opportunity (SoOp) remote sensing systems for surface height measurement is presented.
Mohammad M. Al-Khaldi +3 more
semanticscholar +1 more source
Evaluating Design Trade-offs in P-band UAS-Based Signals of Opportunity Systems: A Simulation Study
IEEE International Geoscience and Remote Sensing SymposiumSignals of Opportunity Reflectometry (SoOp-R) is an emerging remote sensing technology utilizing passive receivers to detect reflections of existing communication signals.
Tanvir Anjum +3 more
semanticscholar +1 more source
Performance Limits for Signals of Opportunity-Based Navigation
ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of NavigationThis paper investigates the potential of non-terrestrial and terrestrial signals of opportunity (SOOP) for navigation applications. Non-terrestrial SOOP analysis employs modified Cram\`er-Rao lower bound (MCRLB) to establish a relationship between SOOP ...
Francesco Zanirato +6 more
semanticscholar +1 more source
Deep Learning Coarse Doppler Estimation for LEO Signals of Opportunity
ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal ProcessingThis article presents the development of a deep neural network (DNN) model based on the de-noising autoencoder (DAE) architecture, which is trained with the objective of detecting and estimating the coarse Doppler of signals of opportunity (SOOP) from ...
Joaquín Gáñez-Fernández +2 more
semanticscholar +1 more source
Using Signals of Opportunity to Establish Trust in Distributed Spectrum Monitoring Systems
International Symposium on Dynamic Spectrum Access NetworksWe present an automated approach for generating or verifying metadata associated with an RF sensor, such as the sensor location, using signals of opportunity (SoOp) in the environment.
Ali Abedi, J. Sanz, Anant Sahai
semanticscholar +1 more source
SNOOPI: A Technology Validation Mission for P-band Reflectometry using Signals of Opportunity
IEEE International Geoscience and Remote Sensing Symposium, 2019SigNals of Opportunity: P-band Investigation (SNOOPI) will be the first on-orbit demonstration of remote sensing using Signals of Opportunity (SoOp) in P-band (240-380 MHz).
J. Garrison +9 more
semanticscholar +1 more source
Wideband Ocean Altimetry Using Ku-Band and K-Band Satellite Signals of Opportunity: Proof of Concept
IEEE Geoscience and Remote Sensing Letters, 2019A proof-of-concept experiment has demonstrated that wideband (400 MHz) signals of opportunity (SoOp) transmitted in K- and Ku-bands from geostationary satellites can be used for coastal altimetry.
Soon Chye Ho +6 more
semanticscholar +1 more source
Anomaly Detection Using WiFi Signals of Opportunity
International Conference on Signal Processing and Communication Systems, 2019Detection of changes in indoor areas and controlled environments is getting increasing interest in ambient intelligence and security. In this paper, we propose a radio-frequency (RF)based anomaly detector that, observing the spectrum received from ...
Elia Favarelli +4 more
semanticscholar +1 more source
P-Band Signals of Opportunity for Remote Sensing of Root Zone Soil Moisture
IEEE International Geoscience and Remote Sensing Symposium, 2018The P-band Signals of Opportunity (SoOp) technique has significant potential for remote sensing of root zone soil moisture from space. We have conducted a proof-of-concept experiment to demonstrate the sensitivity of P-band reflectivity to soil moisture.
S. Yueh +4 more
semanticscholar +1 more source
IEEE International Geoscience and Remote Sensing Symposium, 2018
Root zone soil moisture (RZSM) is an essential variable in meteorology, hydrology, and agriculture. A penetration depth sufficient to sense RZSM requires frequencies below about 500 MHz (I- and P-band).
J. Garrison +6 more
semanticscholar +1 more source
Root zone soil moisture (RZSM) is an essential variable in meteorology, hydrology, and agriculture. A penetration depth sufficient to sense RZSM requires frequencies below about 500 MHz (I- and P-band).
J. Garrison +6 more
semanticscholar +1 more source