The Qujing incoherent scatter radar: system description and preliminary measurements
Earth, Planets and Space, 2018 The Qujing incoherent scatter radar (QJISR), the first one in China with the geographic location (25.6°N, 103.8°E), was brought into operation since the spring of 2014.
ZongHua Ding +4 more
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Comprehensive design and propagation study of a compact dual band antenna for healthcare applications [PDF]
, 2015 In this paper, a dual band planar inverted F antenna (PIFA) has been investigated for cooperative on- and off-body communications. Free space and on-body performance parameters like return loss, bandwidth, radiation pattern and efficiency of this antenna
Abbasi, Qammer H. +2 more
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Leida xuebao, 2013 Clutter rejection is a key technique used by passive radars for target detection. Especially when using Single Frequency Network (SFN) configuration, the multipath clutter and ground clutter increase several times more than during a single illuminator ...
Yi Jian-xin +4 more
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Overview of processing and analysis methods for pulse geophysical signals [PDF]
E3S Web of Conferences, 2020 The paper discusses the processing and analysis methods for the geoacoustic and electromagnetic emission pulse signals recorded for more than 20 years at the IKIR FEB RAS geodynamic proving ground (Kamchatka Peninsula).
Lukovenkova Olga +3 more
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Results of atmospheric-lithospheric observations of acoustic radiation in Kamchatka [PDF]
E3S Web of Conferences, 2019 Simultaneous atomspheric-lithospheric acoustic observations have been carried out during autumn-spring periods of 2017-2019 in Kamchatka at “Karymshina” observation site located in the zone of different-rank tectonic faults.
Larionov Igor +2 more
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Estimation earthquake occurrence probability in Kamchatka region based on seismological and complex of ionospheric precursors [PDF]
EPJ Web of Conferences, 2021 In this paper the authors present the method of estimation of a region, waiting period and probability of strong earthquakes with KS ≥ 13.5 (M ≥ 6.0) in Kamchatka region based on the combination of mid-term and short-term predictive signs accompanying ...
Boganov Vadim, Pavlov Aleksey
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Performance of a TV white space database with different terrain resolutions and propagation models [PDF]
, 2017 Cognitive Radio has now become a realistic option for the solution of the spectrum scarcity problem in wireless communication. TV channels (the primary user) can be protected from secondary-user interference by accurate prediction of TV White Spaces ...
Alfahad, O. +3 more
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Propagation measurements to support third generation mobile radio network planning [PDF]
, 1993 The features of the radio network planning tool proposed by the European RACE Advanced Cell Planning Methods and Tools for Third Generation Mobile Radio Systems (PLATON) project are described.
Beach, MA, Chard, SG, Cheung, JCS
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Operative center of the geophysical prognosis in Izmiran [PDF]
Annales Geophysicae, 2005 IZMIRAN was founded about 65 years ago with one of the goals of carrying out geomagnetic prognoses. More or less, this activity has been developed during its entire history, but about 6 years ago this aim became sufficiently feasible due to the ...
A. V. Belov +5 more
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RadioPropa - A Modular Raytracer for In-Matter Radio Propagation [PDF]
, 2018 Experiments for radio detection of UHE particles such as e.g. ARA/ARIANNA or NuMoon require detailed understanding of the propagation of radio waves in the surrounding matter. The index of refraction in e.g.
Winchen, Tobias
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