Results 31 to 40 of about 168 (122)

Evaluation of an HF-radar ship detection and tracking algorithm by comparison to AIS and SAR data

, 2010
Since several years, High Frequency (HF) Over-The-Horizon (OTH) radar is used to measure océanographie parameters, such as currents, waves, and wind direction over large areas up to 200 km off the coast.
Maresca, Salvatore, Thomas Schlick, Jochen Horstmann, Schlick, Thomas, Salvatore Maresca, Gurgel, Klaus-Werner, Klaus-Werner Gurgel, Horstmann, Jochen   +7 more
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Joint transient and CW external-noise mitigation in heavy clutter

, 2008
Copyright © 2008 IEEEA new method for interference mitigation which efficiently combines continuous-wave (CW) external-noise mitigation with transient and impulsive-noise mitigation in high-frequency over-the-horizon (HF OTH) radars is proposed in this ...
P. Turcaj, Turcaj, P., Abramovich, Y., N.K. Spencer, Spencer, N., Y.I. Abramovich   +5 more
core   +1 more source

HF Over-the-horizon radar system performance analysis [PDF]

, 2007
n the Chinese OTH-B radar system are to investigate the Chinese surveillance capabilities.Republic of China (Taiwan) Navy author.http://archive.org/details ...
Liu, Bin-Yi
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Investigation on fading of high frequency radio signals propagating in the ionosphere - results from a Jindalee radar experiment [PDF]

, 2006
High-frequency (HF) radio-wave propagation in the ionosphere is still widely used. The ability to measure and understand the behaviour of the channel, and the knowledge of how the channel will affect the propagating signals, is imperative to ensure the ...
Yau, K., Cervera, M., M.A. Cervera, C.J. Coleman, Coleman, C., K.S.B. Yau   +5 more
core   +1 more source

iFURTHER Project - A Cognitive Network of HF Radars for Europe Defence

This paper presents the European project named iFURTHER that focuses on multi-site HF-OTH-R approaches. Facing the new military threats, the European Union seeks to develop disruptive defence systems that benefit from a new robust capability to ...
Leventis, Apostolos, Brouard, Philippe, Bok, Dominik, Saverino, Anna Lisa, Capria, Amerigo, Saillant, Stéphane, Samczyński, Piotr P., Molinié, Jean Philippe, Paichard, Yoann   +8 more
core   +1 more source

Climatological model of over-the-horizon radar (CMOR)

, 2017
Models of radar systems are required for a variety of reasons. The sophistication of these models is highly dependant on their purpose; for instance microwave radar models which are designed to be integrated into existing wargaming simulation frameworks ...
Cervera, M.A., Frazer, G.J., David B. Francis, Manuel A. Cervera, Francis, D.B., Gordon J. Frazer   +5 more
core   +1 more source

A Frequency Management Technique for an HF-OTH Skywave Radar

Questa tesi ha lo scopo di illustrare una tecnica di selezione delle frequenze in un radar HF-OTH di tipo ...
TOMEI, SONIA
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Nostradamus: The radar that wanted to be a seismometer

, 2010
International audienceSurface waves emitted after large earthquakes are known to induce, by dynamic coupling, atmospheric infrasonic waves propagating upward through the neutral and ionized atmosphere.
Occhipinti, Giovanni, Farges, Thomas, Philippe Lognonné, Giovanni Occhipinti, Philippe Dorey, Dorey, Philippe, Lognonné, Philippe, Thomas Farges   +7 more
core   +1 more source

Experimental evaluation of adaptive beamforming methods and interference models for high frequency over-the-horizon radar systems

, 2003
The original publication can be found at www.springerlink.comThis paper experimentally evaluates the interference cancellation performance of different adaptive beamforming schemes applicable to high frequency (HF) over-the-horizon (OTH) radar systems ...
Turley, M., G. A. Fabrizio, M. D. Turley, Gray, D., D. A. Gray, Fabrizio, G.   +5 more
core   +1 more source

OTH Skywave MIMO signal model and target detection in presence of multipath

, 2014
HF Skywave radars exploit the refractive properties of the ionosphere to reach distances beyond the horizon allowing for the surveillance of very large areas.
TOMEI, SONIA, Berizzi, F., F. Berizzi, Tomei, S., C. J. Coleman, MARTORELLA, MARCO, M. Martorella, BERIZZI, FABRIZIO, S. Tomei, Coleman, C. J., Martorella, M.; id_orcid   +10 more
core   +1 more source