Relevant bibliographies by topics / Sky-wave propagation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Sky-wave propagation'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Sky-wave propagation"

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He, Huan, Yi Chun Pan, and Fang Zhi Geng. "Research on Backscattering of Sky Wave from Sea Surface." Applied Mechanics and Materials 602-605 (August 2014): 2709–12. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2709.

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For a long period, the sky-wave over-the-horizon radar (OTHR) has difficulty in detecting ship under the background of sea clutter, and it is difficult to apply the existing sea clutter model established in surface wave propagation mode to the sky-wave OTHR sea clutter suppression. Therefore, the difference between surface wave and sky wave propagation mode is analyzed firstly, then the scope of grazing angle about sky wave beam is calculated, finally the backscattering coefficients of sky wave from sea surface are derived by perturbation method and the backscattering mechanisms of sky wave fr
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Ren, Huantao, Qiangjun Xie, Jiajing Chai, and Yi Xue. "Analysis of Signal Reception Mechanism of Sky Wave Long-distance Maritime Communication." MATEC Web of Conferences 232 (2018): 04065. http://dx.doi.org/10.1051/matecconf/201823204065.

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Based on the principle of high frequency radio propagation, the signal reception mechanism of sky wave communication over oceans is investigated. Due to long distance signal transmission, the energy loss is inevitable, especially in the space and on the sea surface. Firstly, we establish the space propagation loss model by the ionospheric absorption, the free space propagation characteristics and other extra loss. Referring to the reflection principle of smooth ground and the Kirchhoff approximation, the energy loss models of the calm sea surface and the turbulent sea surface are obtained resp
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Fagre, Mariano, Bruno S. Zossi, Erdal Yiğit, Hagay Amit, and Ana G. Elias. "High frequency sky wave propagation during geomagnetic field reversals." Studia Geophysica et Geodaetica 64, no. 1 (2019): 130–42. http://dx.doi.org/10.1007/s11200-019-1154-2.

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Bageston, J. V., C. M. Wrasse, R. E. Hibbins, et al. "Case study of a mesospheric wall event over Ferraz station, Antarctica (62° S)." Annales Geophysicae 29, no. 1 (2011): 209–19. http://dx.doi.org/10.5194/angeo-29-209-2011.

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Abstract. On 16–17 July 2007 during an observational campaign at Comandante Ferraz Antarctic Station (62° S, 58° W), a mesospheric wall was observed with an airglow all-sky imager. The wave appeared like an extensive dark region in the all-sky airglow images, with a large depletion in the OH emission. Simultaneous mesospheric winds measured with a MF radar at Rothera station and temperature profiles from SABER instrument, on board of TIMED satellite, were used to obtain the propagation condition of the wave. Wind measurements during four days, around the time of observation of the wave, are pr
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Eleiwa, Mohamed. "Computer simulation of the sky wave propagation through the disturbed ionosphere." International Conference on Electrical Engineering 6, no. 6 (2008): 1–14. http://dx.doi.org/10.21608/iceeng.2008.34535.

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Zhou, Yuxuan, and Huimin Ju. "HF Sky wave hop-propagation on earth’s surfaces in different conditions." Journal of Physics: Conference Series 1176 (March 2019): 042040. http://dx.doi.org/10.1088/1742-6596/1176/4/042040.

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Wang, John C. H. "An objective evaluation of available LF/MF sky-wave propagation models." Radio Science 34, no. 3 (1999): 703–13. http://dx.doi.org/10.1029/1999rs900003.

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Nyassor, Prosper K., Ricardo Arlen Buriti, Igo Paulino, et al. "Determination of gravity wave parameters in the airglow combining photometer and imager data." Annales Geophysicae 36, no. 3 (2018): 705–15. http://dx.doi.org/10.5194/angeo-36-705-2018.

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Abstract. Mesospheric airglow measurements of two or three layers were used to characterize both vertical and horizontal parameters of gravity waves. The data set was acquired coincidentally from a multi-channel filter (Multi-3) photometer and an all-sky imager located at São João do Cariri (7.4∘ S, 36.5∘ W) in the equatorial region from 2001 to 2007. Using a least-square fitting and wavelet analysis technique, the phase and amplitude of each observed wave were determined, as well as the amplitude growth. Using the dispersion relation of gravity waves, the vertical and horizontal wavelengths w
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Chengyu, Hou, Ke Guo, Shi Tiange, and Wang Yuxin. "Study on the Detectability of the Sky-Surface Wave Hybrid Radar." Journal of Applied Mathematics 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/602075.

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Working in the HF (high-frequency) band and the transmitter and receiver locating separately, the sky-surface wave hybrid radar both has the capabilities of the OTHR (over-the-horizon radar) and the advantage of the bistatic radar. As the electromagnetic wave will be disturbed by the ionosphere, interfered by the sea clutter and attenuated by the sea surface, the detectability of this radar system is more complex. So, in this paper, we will discuss the problem detailedly. First of all, the radar equation is deduced based on the propagation of the electromagnetic wave. Then, how to calculate th
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Haydon, G. W., D. L. Lucas, and G. S. Pinson. "High frequency sky-wave propagation predictions in the design of broadcast systems." IEEE Transactions on Broadcasting 34, no. 2 (1988): 238–41. http://dx.doi.org/10.1109/11.1441.

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Dissertations / Theses on the topic "Sky-wave propagation"

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Burgess, Samuel J. "An investigation of the propagation characteristics of a single frequency mid-latitude NVIS radio channel." Thesis, University of Ulster, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370086.

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Bellec, Mathilde. "Conception de systèmes antennaires omnidirectionnels et directifs favorisant les ondes de surface comme vecteur de propagation dans la bande HF." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S142.

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Les ondes de surface se propagent le long de la surface terrestre par-delà l'horizon et ces propriétés de propagation sont des atouts pour diverses applications industrielles (civiles ou militaires) opérant dans la bande HF. C'est le cas notamment des radars transhorizon, des systèmes de communications, de la détection de tsunami, ou encore l'étude de la courantologie. Actuellement, les aériens utilisés dans ce contexte ne sont pas optimisés pour privilégier la propagation par ondes de surface. C'est dans ce contexte que TDF, la Direction Générale de l'Armement (DGA) et l'Institut d'Electroniq
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Bergadà, Caramés Pau. "Oblique Sounding and HF Communication Techniques for Very Long Haul Ionospheric Links." Doctoral thesis, Universitat Ramon Llull, 2015. http://hdl.handle.net/10803/285837.

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El sistema de comunicació ràdio d’alta freqüència (HF, en anglès) és usat arreu del món per agències governamentals i no governamentals sempre que calgui una alternativa a les comunicacions via satèl•lit: vaixells a alta mar, avions fora de cobertura de xarxes ràdio amb visió directa, operacions militars, zones on la infraestructura ha estat destruïda per algun tipus de desastre o bé zones llunyanes sense cap altre tipus de comunicació. La ràdio HF representa una alternativa, o un sistema de backup al satèl•lit per a comunicacions de llarg abast i en redueix els costos, evita la vulnerabilitat
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Books on the topic "Sky-wave propagation"

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Knight, P. LF and MF sky-wave propagation: A comparison of measurements made at sunset and sunrise. BBC, 1986.

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Book chapters on the topic "Sky-wave propagation"

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Gu, Yuming, Zhenyu Na, Xiao Liu, Huahan Zhang, and Wei Wang. "Modeling and Optimization for Sky Wave Propagation Loss Model Based on Enumerative Algorithm." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6264-4_21.

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"Sky Wave Propagation." In HF Communications. CRC Press, 2017. http://dx.doi.org/10.1201/b12574-8.

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Johler, J. Ralph. "Sky Wave Propagation at Low Frequencies." In Encyclopedia of RF and Microwave Engineering. John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471654507.eme397.

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Davies, Kenneth. "Sky Wave Propagation at Medium and High Frequencies." In Encyclopedia of RF and Microwave Engineering. John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471654507.eme398.

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Conference papers on the topic "Sky-wave propagation"

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Rossano, R. M. "Measurements and propagation models of HF ground-wave propagation over irregular terrain and HF sky-wave propagation." In 11th International Conference on Antennas and Propagation (ICAP 2001). IEE, 2001. http://dx.doi.org/10.1049/cp:20010312.

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Xiong, Fuzhi. "HF radio waves propagation model based on sky wave." In 3RD INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE, RESOURCE AND ENVIRONMENTAL ENGINEERING (MSREE 2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5075706.

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Yanhui Liu, Zaiping Nie, and Zhiqin Zhao. "A cascaded method to correct ionospheric frequency modulation for HF sky-wave radars." In 2007 IEEE Antennas and Propagation International Symposium. IEEE, 2007. http://dx.doi.org/10.1109/aps.2007.4396361.

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Tian, Cheng, and Yan Du. "Models of Field Strength Calculation in HF Sky-Wave Propagation on Rough Sea Surface." In 2018 IEEE/ACIS 17th International Conference on Computer and Information Science (ICIS). IEEE, 2018. http://dx.doi.org/10.1109/icis.2018.8466425.

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Li, Yajun, Yinsheng Wei, Rongqing Xu, and Zhuoqun Wang. "Influence of ionosphere on resolution cell of HF hybrid sky-surface wave radar." In 2013 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2013. http://dx.doi.org/10.1109/aps.2013.6711174.

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Lou, Peng, Longquan Yang, Junmei Fan, and Wen Liu. "The analysis for the community of frequency on the hybrid sky-surface wave propagation mode." In 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS). IEEE, 2014. http://dx.doi.org/10.1109/ursigass.2014.6929756.

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Yang, Longquan, Lixin Guo, Deyuan Tian, Wenling Guo, Caicheng Hua, and Zhuanxia Lu. "Experimental Study on Effects of Ionospheric Multi-path on Echo Spectra in HF Hybrid Sky-surface Wave System." In 2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE). IEEE, 2018. http://dx.doi.org/10.1109/isape.2018.8634396.

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