Matches in DBpedia 2016-04 for { <http://wikidata.dbpedia.org/resource/Q357658> ?p ?o }
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- Q357658 subject Q6941784.
- Q357658 subject Q7060996.
- Q357658 subject Q7609667.
- Q357658 subject Q8411330.
- Q357658 subject Q8590777.
- Q357658 subject Q9439268.
- Q357658 abstract "A radio atmospheric signal or sferic (sometimes also spelled "spheric") is a broadband electromagnetic impulse that occurs as a result of natural atmospheric lightning discharges. Sferics may propagate from their lightning source without major attenuation in the Earth-Ionosphere waveguide, and can be received thousands of kilometers from their source. On a time-domain plot, a sferic may appear as a single high-amplitude spike in the time-domain data. On a spectrogram, a sferic appears as a vertical stripe (reflecting its broadband and impulsive nature) that may extend from a few kHz to several tens of kHz, depending on atmospheric conditions.Sferics received from about 2000 kilometres distance or greater have their frequencies slightly offset in time, producing tweeks.When the electromagnetic energy from a sferic escapes the Earth-Ionosphere waveguide and enters the magnetosphere, it becomes dispersed by the near-earth plasma, forming a whistler signal. Because the source of the whistler is an impulse (i.e., the sferic), a whistler may be interpreted as the impulse response of the magnetosphere (for the conditions at that particular instant).".
- Q357658 thumbnail VLF_whistler.png?width=300.
- Q357658 wikiPageExternalLink radiouser-engl.pdf.
- Q357658 wikiPageExternalLink stormelectricity.php.
- Q357658 wikiPageWikiLink Q10251.
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- Q357658 wikiPageWikiLink Q693004.
- Q357658 wikiPageWikiLink Q6941784.
- Q357658 wikiPageWikiLink Q7060996.
- Q357658 wikiPageWikiLink Q738628.
- Q357658 wikiPageWikiLink Q741979.
- Q357658 wikiPageWikiLink Q7609667.
- Q357658 wikiPageWikiLink Q77078.
- Q357658 wikiPageWikiLink Q8411330.
- Q357658 wikiPageWikiLink Q8590777.
- Q357658 wikiPageWikiLink Q901704.
- Q357658 wikiPageWikiLink Q904961.
- Q357658 wikiPageWikiLink Q916906.
- Q357658 wikiPageWikiLink Q9439268.
- Q357658 comment "A radio atmospheric signal or sferic (sometimes also spelled "spheric") is a broadband electromagnetic impulse that occurs as a result of natural atmospheric lightning discharges. Sferics may propagate from their lightning source without major attenuation in the Earth-Ionosphere waveguide, and can be received thousands of kilometers from their source. On a time-domain plot, a sferic may appear as a single high-amplitude spike in the time-domain data.".
- Q357658 label "Radio atmospheric".
- Q357658 depiction VLF_whistler.png.