selective fading
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Selective fading — or frequency selective fading is a radio propagation anomaly caused by partial cancellation of a radio signal by itself mdash; the signal arrives at the receiver by two different paths, and at least one of the paths is changing (lengthening or… … Wikipedia
selective fading — atrankusis tilsmas statusas T sritis fizika atitikmenys: angl. selective fading vok. Selektivschwund, m rus. избирательный фединг, m pranc. évanouissement sélectif, m … Fizikos terminų žodynas
Fading — This article is about signal loss in telecommunications. For the poetry book, see Fading (book). For other uses, see Fade (disambiguation). Frequency selective time varying fading causes a cloudy pattern to appear on a spectrogram. Time is shown… … Wikipedia
Selective mutism — Articleissues expert = PsychologyInfobox Disease Name = Selective mutism Caption = DiseasesDB = ICD10 = ICD10|F|94|0|f|90 ICD9 = ICD9|309.83 ICD9|313.23 ICDO = OMIM = MedlinePlus = 001546 eMedicineSubj = ped eMedicineTopic = 2660 MeshID =… … Wikipedia
Selective calling — SECAL redirects here. For the French wine grape also known as Secal, see Jurançon (grape). In a conventional, analog two way radio system, a standard radio has noise squelch or carrier squelch which allows a radio to receive all transmissions.… … Wikipedia
Rayleigh fading — is a statistical model for the effect of a propagation environment on a radio signal, such as that used by wireless devices.Rayleigh fading models assume that the magnitude of a signal that has passed through such a transmission medium (also… … Wikipedia
Crickets: Best of the Fading Captain Series 1999–2007 — Crickets: Best of the Fading Captain Series 1999 2007 Compilation album by Guided by Voices Released July 7, 2007 Genre Indie rock … Wikipedia
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Pulse-position modulation — is a form of signal modulation in which M message bits are encoded by transmitting asingle pulse in one of 2^M possible time shifts. This is repeated every T seconds, such thatthe transmitted bit rate is M/T bits per second. It is primarily… … Wikipedia
telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia
