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radiated frequency

См. также в других словарях:

  • Low frequency — or LF refers to Radio Frequencies (RF) in the range of 30 kHz ndash;300 kHz. In Europe, and parts of Northern Africa and of Asia, part of the LF spectrum is used for AM broadcast service. In the western hemisphere, its main use is for aircraft… …   Wikipedia

  • Effective radiated power — In radio telecommunications, effective radiated power or equivalent radiated power (ERP) is a standardized theoretical measurement of radio frequency (RF) energy [cite web title = Abbreviations and Acronyms publisher = Institute for… …   Wikipedia

  • High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …   Wikipedia

  • Equivalent isotropically radiated power — In radio communication systems, Equivalent isotropically radiated power (EIRP) or, alternatively, Effective isotropically radiated power [ IEEE Std. 100 The Authoritative Dictionary of IEEE Standards Terms, 7th Edition , The Institute of… …   Wikipedia

  • Extremely low frequency — (ELF) is the band of radio frequencies from 3 to 30 Hz. ELF was used by the US Navy and Soviet/Russian Navy to communicate with submerged submarines.ExplanationBecause of the electrical conductivity of salt water, submarines are shielded from… …   Wikipedia

  • High Frequency Active Auroral Research Program — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer …   Deutsch Wikipedia

  • High Frequency Active Auroral Research Project — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer …   Deutsch Wikipedia

  • radio frequency interference — F/A/V tendency of a radio transmission to interfere with other electronic signals. Radio frequency energy is radiated by all electrical equipment when it is a strong enough signal it becomes interference in audio systems …   Audio and video glossary

  • effective radiated power — noun the energy of a radio frequency, determined by multiplying the transmitter power output with the antenna gain …   Wiktionary

  • Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

  • Antenna (radio) — Whip antenna on car …   Wikipedia

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