Radio propagation

Results: 418



#Item
241Physics / Space science / Plasma physics / Planetary science / Weather / Radio propagation / Ionosphere / Geomagnetic storm / Space weather / Space plasmas / Meteorology / Atmospheric sciences

Chapter 6 SPACE ENVIRONMENT Why is knowing the space environment important? Our increased dependence on space-based systems to meet warfighter objectives and needs, coupled with the increasing use of microelectronics an

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Source URL: space.au.af.mil

Language: English - Date: 2012-01-04 11:29:59
242Amateur radio / Recreation / Contesting / Radioteletype / Personal life / American Radio Relay League / 10-meter band / 80-meter band / Contesting controversies / Radio / Radiosport / Amateur radio bands

Feature RADIOSPORT RADIOSPORT RADIOSPORT RADIOSPO 2014 RTTY Roundup Results New categories and interesting propagation liven up the Roundup.

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Source URL: www.arrl.org

Language: English - Date: 2014-08-25 14:34:07
243Astronomy / Astrophysics / Plasma physics / Interplanetary scintillation / Radio astronomy / Atmosphere / Scintillation / Ionosphere / Aurora / Space plasmas / Physics / Observational astronomy

IONOSPHERIC SCINTILLATION Introduction • Electromagnetic Wave Propagation through Random Medium – Tropospheric Scintillation / Neutral Turbulence/ Twinkling of Stars – Ionospheric Scintillation/ Ionospheric Irregu

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Source URL: cedarweb.hao.ucar.edu

Language: English - Date: 2009-02-05 14:07:19
244Astrophysics / Light sources / Astronomy / Solar flare / Ionosphere / Solar cycle / Radio propagation / Aurora / Corona / Plasma physics / Space plasmas / Physics

REPORTS Hamiltonian, which generates UP and satisfies ¬U j UP¬ e d(I, U)/2n, as guaranteed by lemma 1, and where we have chosen p 0 4n as the penalty. Now divide the time interval E0, d(I, U)^ up into a large number N

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Source URL: sirius.bu.edu

Language: English - Date: 2006-08-08 14:34:52
245Radio electronics / Radio technology / Antenna / Television antenna / Radio propagation / Skywave / Dipole antenna / Yagi-Uda antenna / Directional antenna / Telecommunications engineering / Electronic engineering / Technology

Antenna Height and Communications Effectiveness Second Edition A Guide for City Planners and Amateur Radio Operators

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Source URL: www.arrl.org

Language: English - Date: 2011-09-15 11:09:09
246Radio resource management / Electronic engineering / Estimation theory / Signal processing / Channel / Intersymbol interference / Belief propagation / Minimum mean square error / Bit error rate / Telecommunications engineering / Information theory / Data transmission

Generalized Belief Propagation Receiver for Near-Optimal Detection of Two-Dimensional Channels with Memory Ori Shental1 and Anthony J. Weiss Noam Shental and Yair Weiss

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Source URL: www.cs.huji.ac.il

Language: English - Date: 2004-11-21 05:29:03
247Noise pollution / Radio propagation / Noise regulation

OREGON DEPARTMENT OF TRANSPORTATION SPR Quarterly Progress Report January 1, 2012 through March 31, 2012 Date

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Source URL: www.oregon.gov

Language: English - Date: 2012-05-19 19:30:43
248Astrophysics / Plasma physics / Planetary science / Space science / Weather / Solar proton event / Ionosphere / Space weather / Radio propagation / Physics / Space plasmas / Meteorology

Click Here SPACE WEATHER, VOL. 6, S12002, doi:[removed]2008SW000399, 2008 for

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Source URL: www.ngdc.noaa.gov

Language: English - Date: 2009-06-17 17:59:01
249Physics / Astronomy / Light sources / Observational astronomy / Sun / Solar flare / Corona / KOSMA / Radio propagation / Plasma physics / Space plasmas / Astrophysics

International Foundation HFSJG Activity Report 2001 Name of research institute or organization: Institute of Applied Physics, University of Bern

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Source URL: www.ifjungo.ch

Language: English - Date: 2014-03-27 09:52:21
250Radio electronics / Optics / Electrical components / Power dividers and directional couplers / Waveguide / Antenna / Dispersion / Yagi-Uda antenna / Optical fiber / Electronic engineering / Electromagnetism / Electronics

Letter pubs.acs.org/NanoLett Functional Plasmonic Nanocircuits with Low Insertion and Propagation Losses Arian Kriesch,*,†,‡ Stanley P. Burgos,‡ Daniel Ploss,† Hannes Pfeifer,† Harry A. Atwater,‡ and Ulf Pesc

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Source URL: daedalus.caltech.edu

Language: English - Date: 2013-08-23 19:55:38
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