Ionosphere

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The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. (Wikipedia.org)






Conferences related to Ionosphere

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2018 14th IEEE International Conference on Signal Processing (ICSP)

ICSP2018 includes sessions on all aspects of theory, design and applications of signal processing. Prospective authors are invited to propose papers in any of the following areas, but not limited to: A. Digital Signal Processing (DSP)B. Spectrum Estimation & ModelingC. TF Spectrum Analysis & WaveletD. Higher Order Spectral AnalysisE. Adaptive Filtering &SPF. Array Signal ProcessingG. Hardware Implementation for Signal ProcessingH Speech and Audio CodingI. Speech Synthesis & RecognitionJ. Image Processing & UnderstandingK. PDE for Image ProcessingL.Video compression &StreamingM. Computer Vision & VRN. Multimedia & Human-computer InteractionO. Statistic Learning & Pattern RecognitionP. AI & Neural NetworksQ. Communication Signal processingR. SP for Internet and Wireless CommunicationsS. Biometrics & AuthentificationT. SP for Bio-medical & Cognitive ScienceU


2018 European Conference on Antennas and Propagation (EuCAP)

Antennas & related topics e.g. theoretical methods, systems, wideband, multiband, UWBPropagation & related topics e.g. modelling/simulation, HF, body-area, urbanAntenna & RCS measurement techniques


2018 IEEE Aerospace Conference

The international IEEE Aerospace Conference is organized to promote interdisciplinaryunderstanding of aerospace systems, their underlying science, and technology


2018 IEEE International Conference on Plasma Science (ICOPS)

Plasma Science


2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state-of-the-art research in antennas, propagation, electromagnetics, and radio science.


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Periodicals related to Ionosphere

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Antennas and Wireless Propagation Letters, IEEE

IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Broadcasting, IEEE Transactions on

Broadcast technology, including devices, equipment, techniques, and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.


Communications Magazine, IEEE

IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...


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Most published Xplore authors for Ionosphere

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Xplore Articles related to Ionosphere

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Automatic detection of ionospheric TEC depletions by using low-latitude GNSS data

[{u'author_order': 1, u'affiliation': u'School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin, China', u'full_name': u'Detai Li'}, {u'author_order': 2, u'affiliation': u'School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin, China', u'full_name': u'Yuhua Zou'}] 2016 11th International Symposium on Antennas, Propagation and EM Theory (ISAPE), None

In this paper, a method has been developed to automatically detect and characterize low-latitude ionospheric plasma bubbles which are a main source of scintillation effects. When the ionosphere is monitored by using GNSS beacon, plasma bubbles appear as TEC (total electron content) depletions. Therefore, plasma bubbles can be detected by identifying TEC depletions. This method of automatic detection is based ...


Phase analysis of cone scattering near base-on

[{u'author_order': 1, u'affiliation': u'Systems and Techniques Lab., Eng. Experiment Station, Georgia Inst. of Tech., Atlanta, GA, USA', u'full_name': u'N. Alexander'}, {u'author_order': 2, u'full_name': u'R. Larson'}] IEEE Transactions on Antennas and Propagation, 1976

Theoretical calculations of the amplitude and phase of the horizontally polarized backscatter from a small right circular cone in the region near base-on are presented. Predictions are performed using both the geometrical theory of diffraction (GTD) and the physical theory of diffraction (PTD) and are compared to experimental phase and amplitude data obtained on the Georgia Tech compact radar cross-section ...


Ionospheric effects on the lunar-based radar imaging

[{u'author_order': 1, u'affiliation': u'Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, 100101, China', u'full_name': u'Zhen Xu'}, {u'author_order': 2, u'affiliation': u'Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, 100101, China', u'full_name': u'Kun-Shan Chen'}, {u'author_order': 3, u'affiliation': u'Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, 100101, China', u'full_name': u'Peng Xu'}, {u'author_order': 4, u'affiliation': u'Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, 100101, China', u'full_name': u'Huadong Guo'}] 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), None

We investigate the ionospheric effect on the global change observation lunar- based synthetic aperture radar (GCOLB-SAR), which offers an unprecedented temporal resolution and spatial coverage. However, the GCOLB-SAR is confronted with a great challenge: an extra-long distance electromagnetic wave propagating through atmospheric and ionospheric effects. The ionospheric effect for the satellite-borne SAR is no longer applicable for the GCOLB-SAR due ...


High-resolution mapping of oceanic wind fields with skywave radar

[{u'author_order': 1, u'affiliation': u'Stanford Research Institute, Menlo Park, CA, USA', u'full_name': u'J. Barnum'}, {u'author_order': 2, u'full_name': u'J. Maresca'}, {u'author_order': 3, u'full_name': u'S. Serebreny'}] IEEE Transactions on Antennas and Propagation, 1977

The direction of the mean surface wind field in the North Pacific Ocean was mapped on September 25 and 26, 1973, over an area of3 times 10^{6}(km)2by OTH-B HF radar. A spatial resolution of 60 km in range and 15 km in cross range was used at points spaced by 150 km in range and 80 km in cross range. ...


Observations of distortions of optical features in the UV auroral distribution

[{u'author_order': 1, u'affiliation': u'Calgary Univ., Alta., Canada', u'full_name': u'J. S. Murphree'}, {u'author_order': 2, u'affiliation': u'Calgary Univ., Alta., Canada', u'full_name': u'L. L. Cogger'}, {u'author_order': 3, u'affiliation': u'Calgary Univ., Alta., Canada', u'full_name': u'R. D. Elphinstone'}] IEEE Transactions on Plasma Science, 1989

Observations made by the Viking satellite have for the first time shown the development of multiple large-scale surge features. The longer time scale of the features is contrasted with smaller-scale vortex streets found along the poleward edge of the evening oval, which are generally observed to exist for less than 2 min. The ratio of wavelength-to-diameter of these features is ...


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Educational Resources on Ionosphere

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IEEE-USA E-Books

  • Fundamental Considerations for GNSS Antennas

    This chapter contains sections titled: GNSS Radio Wave Propagation Antenna Design Fundamentals CP Antenna Design References

  • Transmission Impairments

    The relative importance of radiowave propagation in space communications depends on the frequency of operation, local climatology, local geography, type of transmission, and elevation angle to the satellite. This chapter discusses radiowave propagation in space communications, and introduces the general terms used to describe the propagation phenomena, or propagation mechanisms, which can affect the characteristics of a radiowave. It introduces the major propagation impairments which can affect space communications at frequencies above the ionospheric penetration frequency and up to about 3 GHz. The chapter describes the major propagation impairments, include ionospheric scintillation, polarization rotation, group delay and dispersion, that can hinder space communications in the frequency bands above about 3 GHz. The chapter focuses on line‐of‐site link impairments, additional effects, such as shadowing, blockage and multipath scintillation. The chapter also describes the major radio noise sources in satellite communications, and provides concise methods for the calculation radio noise for the evaluation of communications system performance.

  • IONOSPHERIC PROPAGATION

    The amplitude variations of a signal propagating through the ionosphere result from the destructive and constructive interaction of the signal phase resulting from the numerous signal paths through the nonhomogeneous medium; this phenomenon is referred to as scintillation. Signal propagation through the ionosphere is characterized by the refractive index. The refractive index and its influence on the various aspects of a received signal is the subject of this chapter. The chapter characterizes the electron densities in the ionosphere for the natural and nuclear‐disturbed environments and discusses the influence of the electron densities on signal propagation in terms of the refractive index. Application of the index of refraction to a communication link yields the influence of the ionospheric propagation on the received signal. The chapter concludes with a case study of a scintillation scenario using a differentially coherent modulation with interleaving and combining.

  • Utilization of Radio Frequencies

    This chapter contains sections titled: Spectrum Usage Overview Spectrum Management by ITU Radio Communication Services Radio Communication Systems

  • Predicting HF Radio

    **A practical guide to the principles of radio communications for both civilian and military applications** In this book, the author covers both the civilian and military uses of technology, focusing particularly on the applications of radio propagation and prediction. Divided into two parts, the author introduces the basic theory of radio prediction before providing a step-by-step explanation of how this theory can be translated into real-life applications. In addition, the book presents up-to-date systems and methods to illustrate how these applications work in practice. This includes systems working in the HF bands and SHF. Furthermore, the author examines the performance of these systems, and also the effects of noise, interference and deliberate jamming, as well as the performance of jamming, detection and intercept systems. Particular attention is paid to the problems caused by Radio Controlled Improvised Explosive Devices (RCIEDs). **Key Features:** * * Written by an expert in both the civilian and military applications of the technology * Focuses on methods such as radio and radar jamming, and radio-controlled improvised explosive devices (IEDs) * Contains problems and solutions to clarify key topics

  • Transmission Impairments

    This chapter contains sections titled: Radiowave Frequency and Space Communications Radiowave Propagation Mechanisms Propagation Below About 3 GHz Propagation Above About 3 GHz Radio Noise References Problems

  • Ionospheric Radio Propagation

    The effects of the ionosphere on radio propagation are very important in radio communication between the terrestrial antennas and air vehicles (stationary or moving) or satellites. This chapter begins by briefly presenting information about the ionosphere as a continuous medium consisting of plasma, and describes the common effects of ionospheric plasma on radio propagation, following the description of ionospheric effects as well as on the authors' computations. Then, it discusses the effects of large‐scale and small‐scale ionospheric plasma inhomogeneities, and illustrates the main results of signal amplitude and phase variations, that is, the fast fading, resulting from the inhomogeneous structure of the ionosphere, on the basis of numerical computations carried out by the authors according to proposed ionospheric models. Finally, the chapter considers the effects of an inhomogeneous ionosphere on radio propagation at long distances.



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