Results 1 to 10 of about 101 (79)
Application of Beamforming Technology in Ionospheric Oblique Backscatter Sounding with a Miniaturized L-Array [PDF]
Remote Sensing, 2020 In this paper, a new dedicated multi-channel ionospheric oblique backscatter sounder is described. A miniaturized L-shaped antenna array was employed for the receiving of the oblique backscatter echoes in the present system. Firstly, two typical adaptive
, Tongxin Liu, Guobin Yang
exaly +4 more sources
Features of backscatter ionospheric sounding as studied with a chirp ionosonde
Solnečno-zemnaâ Fizika, 2017 We present the results of the studies of backscatter ionospheric sounding (BS) on the basis of a multipurpose chirp ionosonde developed in ISTP SB RAS. We analyze BS experimental data obtained during different seasons from 2005 to 2009.
Vladimir Kurkin +2 more
exaly +8 more sources
Remote SensingIonospheric oblique backscatter sounding is an effective means of monitoring the ionosphere which can be used as a frequency selection system to serve HF communication and ensure its quality and stability. But how to obtain effective information from the
, Tongxin Liu, Guobin Yang
exaly +4 more sources
Solnečno-zemnaâ Fizika, 2018 Backscatter ionospheric sounding (BIS) is a powerful tool for monitoring and predicting conditions of operation of HF communication systems. The BIS method is adopted to determine coverage areas of radio waves and maximum usable radio frequencies ...
Vladimir Kurkin +2 more
exaly +5 more sources
E-Region Field-Aligned Irregularities in the Middle of a Solar Eclipse Observed by a Bistatic Radar [PDF]
Remote Sensing, 2022 The Wuhan Ionospheric Oblique Backscatter Sounding System (WIOBSS) was applied as a bistatic radar to record the ionospheric E-region responses to a solar eclipse on 22 July 2009.
Lei Qiao +8 more
doaj +4 more sources
Wuhan Ionospheric Oblique Backscattering Sounding System and Its Applications-A Review. [PDF]
Sensors (Basel), 2017 For decades, high-frequency (HF) radar has played an important role in sensing the Earth’s environment. Advances in radar technology are providing opportunities to significantly improve the performance of HF radar, and to introduce more applications. This paper presents a low-power, small-size, and multifunctional HF radar developed by the Ionospheric ...
Shi S, Yang G, Jiang C, Zhang Y, Zhao Z.
europepmc +4 more sources
Design and Application of Wuhan Ionospheric Oblique Backscattering Sounding System with the Addition of an Antenna Array (WIOBSS-AA). [PDF]
Sensors (Basel), 2016 The Wuhan Ionospheric Oblique Backscattering Sounding System with the addition of an antenna array (WIOBSS-AA) is the newest member of the WIOBSS family. It is a multi-channel radio system using phased-array antenna technology. The transmitting part of this radio system applies an array composed of five log-periodic antennas to form five beams that ...
Cui X, Chen G, Wang J, Song H, Gong W.
europepmc +4 more sources
An Integrated Technology of Ionospheric Backscatter Detection and Oblique Detection
IEEE Access, 2021 Traditional single ground-based ionospheric detection methods often fail to obtain accurately ionospheric parameter information due to the measurement errors of detection systems and inverse algorithms.
Peng Lou, Lixin Guo, Jing Feng, Na Wei
doaj +1 more source
A new inversion algorithm for backscatter ionogram and its experimental validation [PDF]
Annales Geophysicae, 2014 Oblique backscatter sounding is a powerful tool for detecting and monitoring the ionosphere continuously at a remote distance. High-frequency (HF) backscatter ionograms provide the amplitudes of backscatter signals with respect to group path or time ...
J. J. Zhao +8 more
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Linear and Nonlinear Plasma Processes in Ionospheric HF Heating
Plasma, 2021 Featured observations of high frequency (HF) heating experiments are first introduced; the uniqueness of each observation is presented; the likely cause and physical process of each observed phenomenon instigated by the HF heating are discussed.
Spencer Kuo
doaj +1 more source