Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Helicopter_noise_reduction> ?p ?o }
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- Helicopter_noise_reduction abstract "Helicopter noise reduction is a topic of research into designing helicopters which can be operated more quietly, reducing the public-relations problems with night-flying or expanding an airport. In addition, it is useful for military applications in which stealth is required: long-range propagation of helicopter noise can alert an enemy to an incoming helicopter in time to re-orient defenses (see acoustic signature).".
- Helicopter_noise_reduction wikiPageID "1518561".
- Helicopter_noise_reduction wikiPageLength "6982".
- Helicopter_noise_reduction wikiPageOutDegree "22".
- Helicopter_noise_reduction wikiPageRevisionID "676872634".
- Helicopter_noise_reduction wikiPageWikiLink Acoustic_quieting.
- Helicopter_noise_reduction wikiPageWikiLink Acoustic_signature.
- Helicopter_noise_reduction wikiPageWikiLink Aeronautical_engineering.
- Helicopter_noise_reduction wikiPageWikiLink Aerospace_engineering.
- Helicopter_noise_reduction wikiPageWikiLink Aircraft_noise.
- Helicopter_noise_reduction wikiPageWikiLink Aviation_and_the_environment.
- Helicopter_noise_reduction wikiPageWikiLink BERP_rotor.
- Helicopter_noise_reduction wikiPageWikiLink Boeing–Sikorsky_RAH-66_Comanche.
- Helicopter_noise_reduction wikiPageWikiLink Category:Helicopters.
- Helicopter_noise_reduction wikiPageWikiLink Category:Noise_reduction.
- Helicopter_noise_reduction wikiPageWikiLink Coandă_effect.
- Helicopter_noise_reduction wikiPageWikiLink Comanche_helicopter.
- Helicopter_noise_reduction wikiPageWikiLink Environmental_impact_of_aviation.
- Helicopter_noise_reduction wikiPageWikiLink Eurocopter_EC-135.
- Helicopter_noise_reduction wikiPageWikiLink Eurocopter_EC135.
- Helicopter_noise_reduction wikiPageWikiLink Fenestron.
- Helicopter_noise_reduction wikiPageWikiLink Harmonic.
- Helicopter_noise_reduction wikiPageWikiLink Harmonics.
- Helicopter_noise_reduction wikiPageWikiLink Helicopter.
- Helicopter_noise_reduction wikiPageWikiLink Helicopter_rotor.
- Helicopter_noise_reduction wikiPageWikiLink NOTAR.
- Helicopter_noise_reduction wikiPageWikiLink Noise_pollution.
- Helicopter_noise_reduction wikiPageWikiLink Noise_regulation.
- Helicopter_noise_reduction wikiPageWikiLink Stealth_helicopter.
- Helicopter_noise_reduction wikiPageWikiLink Turboshaft.
- Helicopter_noise_reduction wikiPageWikiLink Wingtip_vortex.
- Helicopter_noise_reduction wikiPageWikiLink Wingtip_vortices.
- Helicopter_noise_reduction wikiPageWikiLink File:Heli.fenestron.750pix.jpg.
- Helicopter_noise_reduction wikiPageWikiLinkText "BVI noise".
- Helicopter_noise_reduction wikiPageWikiLinkText "Helicopter noise reduction".
- Helicopter_noise_reduction wikiPageWikiLinkText "designed to be quiet".
- Helicopter_noise_reduction wikiPageWikiLinkText "helicopter noise reduction".
- Helicopter_noise_reduction wikiPageWikiLinkText "reduce noise".
- Helicopter_noise_reduction hasPhotoCollection Helicopter_noise_reduction.
- Helicopter_noise_reduction wikiPageUsesTemplate Template:Citation_needed.
- Helicopter_noise_reduction wikiPageUsesTemplate Template:More_footnotes.
- Helicopter_noise_reduction wikiPageUsesTemplate Template:Reflist.
- Helicopter_noise_reduction subject Category:Helicopters.
- Helicopter_noise_reduction subject Category:Noise_reduction.
- Helicopter_noise_reduction hypernym Topic.
- Helicopter_noise_reduction type Article.
- Helicopter_noise_reduction type Scientist.
- Helicopter_noise_reduction type Article.
- Helicopter_noise_reduction comment "Helicopter noise reduction is a topic of research into designing helicopters which can be operated more quietly, reducing the public-relations problems with night-flying or expanding an airport. In addition, it is useful for military applications in which stealth is required: long-range propagation of helicopter noise can alert an enemy to an incoming helicopter in time to re-orient defenses (see acoustic signature).".
- Helicopter_noise_reduction label "Helicopter noise reduction".
- Helicopter_noise_reduction sameAs خفض_ضجيج_المروحية.
- Helicopter_noise_reduction sameAs m.057g_z.
- Helicopter_noise_reduction sameAs Q5705218.
- Helicopter_noise_reduction sameAs Q5705218.
- Helicopter_noise_reduction wasDerivedFrom Helicopter_noise_reduction?oldid=676872634.
- Helicopter_noise_reduction isPrimaryTopicOf Helicopter_noise_reduction.