Interference (communication)Problems playing this file? See .In telecommunications, an interference is that which modifies a signal in a disruptive manner, as it travels along a communication channel between its source and receiver. The term is often used to refer to the addition of unwanted signals to a useful signal.Adjacent-channel interferenceAdjacent-channel interference (ACI) is interference caused by extraneous power from a signal in an adjacent channel. ACI may be caused by inadequate filtering (such as incomplete filtering of unwanted modulation products in FM systems), improper tuning or poor frequency control (in the reference channel, the interfering channel or both). ACI is distinguished from crosstalk.Intersymbol interferenceIn telecommunications, intersymbol interference (ISI) is a form of distortion of a signal in which one symbol interferes with subsequent symbols. This is an unwanted phenomenon as the previous symbols have a similar effect as noise, thus making the communication less reliable. The spreading of the pulse beyond its allotted time interval causes it to interfere with neighboring pulses.
Co-channel interferenceCo-channel interference or CCI is crosstalk from two different radio transmitters using the same channel. Co-channel interference can be caused by many factors from weather conditions to administrative and design issues. Co-channel interference may be controlled by various radio resource management schemes.
Crossover interferenceCrossover interference is the term used to refer to the non-random placement of crossovers with respect to each other during meiosis. The term is attributed to Hermann Joseph Muller, who observed that one crossover "interferes with the coincident occurrence of another crossing over in the same pair of chromosomes, and I have accordingly termed this phenomenon ‘interference’."
Electromagnetic interferenceElectromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction. The disturbance may degrade the performance of the circuit or even stop it from functioning. In the case of a data path, these effects can range from an increase in error rate to a total loss of the data.
Interference (Crease album)Interference is the first album released by the Florida-based hard rock music group, Crease. This album was released in 1995, via .Interference (Cubanate album)Interference is the fourth album by English band Cubanate. In contrast to the band's previous releases, it incorporates drum and bass rhythms instead of regular dance beats, and the lyrics are more introspective and personal than what characterizes Cubanate's older material. Marc Heal described this switch as the necessary evolution of a band that felt stuck at the time: By 1997 things were a bit broken. When we started Cubanate that techno base seemed radical.Interference (novel)Interference is a 2019 science fiction novel by American writer and translator Sue Burke. It is the second novel of her Semiosis Trilogy series, the first being Semiosis (2018). Interference was first published in October 2019 in the United States by Tor Books. The novel takes place on the planet Pax about 100 years after the events in Semiosis when a new expedition from Earth arrives.
Interference (band)Irish musical group InterferenceOriginCork, IrelandGenresRock, indie rock, folkYears active1984–presentLabelsSoundSound, Whelans, ShackMembersJames O'LearyPaul TiernanCamilla GriehselCal McCarthyMaurice SeezerJohn FitzgeraldAnthony NoonanMarja GaynorBertrand GalenMalcolm MacClancyColm McCaughey />Maurice CulliganPast membersGlen Hansard (deceased)Fergus O'Farrell (deceased)Kevin MurphyJustin Healy Jerry FehilyJoey PleassWillie WalshCian RocheRaymond McCannWebsiteinterference.ie Interference is an Irish band established in 1984 and originally headed by the late singer-songwriter Fergus O'Farrell.
Interference (film)Interference is a 1928 American pre-Code drama film directed by Lothar Mendes, as Paramount Pictures' first feature-length all-talking motion picture. It stars Clive Brook, William Powell, Evelyn Brent, and Doris Kenyon, all making their sound film debuts. In England, when a first husband turns out not to be dead, blackmail leads to murder.
RNA interferenceRNA interference (RNAi) is a biological process in which RNA molecules are involved in sequence-specific suppression of gene expression by double-stranded RNA, through translational or transcriptional repression. Historically, RNAi was known by other names, including co-suppression, post-transcriptional gene silencing (PTGS), and quelling. The detailed study of each of these seemingly different processes elucidated that the identity of these phenomena were all actually RNAi.
Orthogonal frequency-division multiplexingIn telecommunications, orthogonal frequency-division multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital (binary) data on multiple carrier frequencies. OFDM has developed into a popular scheme for wideband digital communication, used in applications such as digital television and audio broadcasting, DSL internet access, wireless networks, power line networks, and 4G/5G mobile communications.
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