Results 51 to 60 of about 252,065 (75)

Application of Biphase Complete Complementary Code for Ionospheric Sounding. [PDF]

Sensors (Basel), 2018
Yang G, Duan P, Jiang C, Liu T, Lan T, Zhao Z, Shi S, Xu C.   +7 more
europepmc   +1 more source

Oblique Reflections of Mars Express MARSIS Radar Signals From Ionospheric Density Structures: Raytracing Analysis

, 2019
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) radar sounder on board the Mars Express spacecraft revealed oblique reflections coming systematically from apparently stable density structures in the Martian ionosphere.
D. D. Morgan, Andrews, David J.,, A. J. Kopf, Morgan, D. D.,, Kopf, A. J.,, D. J. Andrews, D. A. Gurnett, Nemec, F.,, Gurnett, D. A.,, F. Němec   +9 more
core   +1 more source

Spectrally efficient oblique ionospheric sounding

, 1995
This paper details some of the recent research and concepts that have been developed within the Communications and Signal Processing Research Consortium at the University of Hull and University of Leeds aimed at providing an embedded ionospheric sounding
Bartlett, A., Darnell, M., Gallagher, M.
core  

Characterization of the Surfaces and Near-Surface Atmospheres of Ganymede, Europa and Callisto by JUICE. [PDF]

Space Sci Rev
Tosi F, Roatsch T, Galli A, Hauber E, Lucchetti A, Molyneux P, Stephan K, Achilleos N, Bovolo F, Carter J, Cavalié T, Cimò G, D'Aversa E, Gwinner K, Hartogh P, Huybrighs H, Langevin Y, Lellouch E, Migliorini A, Palumbo P, Piccioni G, Plaut JJ, Postberg F, Poulet F, Retherford K, Rezac L, Roth L, Solomonidou A, Tobie G, Tortora P, Tubiana C, Wagner R, Wirström E, Wurz P, Zambon F, Zannoni M, Barabash S, Bruzzone L, Dougherty M, Gladstone R, Gurvits LI, Hussmann H, Iess L, Wahlund JE, Witasse O, Vallat C, Lorente R.   +46 more
europepmc   +1 more source

Current and Near-Term Earth-Observing Environmental Satellites, Their Missions, Characteristics, Instruments, and Applications. [PDF]

Sensors (Basel)
Ustin SL, Middleton EM.
europepmc   +1 more source

Providing a simultaneous ionospheric sounding mode in vertical and inclined directions using incoherent scatter radars

, 2017
Рассмотрены аппаратурно-методические особенности режима работы радаров некогерентного рассеяния при одновременном зондировании ионосферы в вертикальном и наклонном направлениях. Приведены характеристики антенн ионосферной обсерватории Института ионосферы
Чепурный, Яков Николаевич, Емельянов, Леонид Яковлевич   +1 more
core  

Development of a Method for Determining the Position of Artificial Ionospheric Irreguliarities Responsible for the Radio-Wave Aspect-Angle Scattering on Short Paths by Oblique Backscatter Sounding Ionograms

Izvestiya vysshikh uchebnykh zavedenii. Radiofizika, 2021
The data of experiments on the oblique backscatter sounding of the heated ionospheric volume above the Sura facility on a short Kazan—Vasilsursk—Kazan path, when the Cyclone-GPS ionosonde was operated in the ionogram recording regime in the frequency range 1–7 MHz with a step of about 20 kHz are compared with the results of ray-tracing calculations for
N.A. Pogorelko, E.N. Sergeev, S.M. Grach, E.Yu. Zykov   +3 more
openaire   +2 more sources

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A Novel Ionospheric Oblique-Incidence Sounding Network Consisting of the Ionospheric Oblique Backscatter Sounder and the Parasitic Oblique-Incidence Sounder

IEEE Geoscience and Remote Sensing Letters, 2015
In this letter, a novel ionospheric oblique-incidence sounding network consisting of the ionospheric oblique backscatter sounder and the parasitic oblique-incidence sounder is presented. With the new configuration, the oblique ionogram and the backscatter ionogram can be provided at the same time.
Shu-Zhu Shi, Guo-Bin Yang, Zheng-Yu Zhao
exaly   +2 more sources

Investigation of Low-Latitude Ionospheric Field-Aligned Irregularities by Oblique Backscatter Sounding

IEEE Geoscience and Remote Sensing Letters, 2010
The ionosphere is not homogeneous, hosting many irregularities with different scales from dozens of meters to dozens of kilometers. The observation and formation mechanism of the irregularities is among the most active domains for understanding the influence of irregularities on propagation of radio waves.
Yuannong Zhang, Zhengyu Zhao
exaly   +3 more sources

Design and Implementation of Hardware Architecture in Ionospheric Oblique Backscattering Sounding System

Wuhan University Journal of Natural Sciences, 2009
The ionospheric oblique backscattering sounding system can not only be used to detect the state of ionosphere and the condition of high frequency channel in real time, but also be used for over-the-horizon sounding. So, it has a very high military and civil value.
Shuzhu Shi, Guobin Yang, Zhengyu Zhao
exaly   +2 more sources