Interference

Interference may refer to:

Natural sciences and medicine

• Interference (communication), anything which alters, modifies, or disrupts a message as it travels along a channel
  • Electromagnetic interference (EMI), disturbance that affects an electrical circuit due to either electromagnetic induction or electromagnetic radiation emitted from an external source
  • Co-channel interference (CCI), also known as crosstalk
  • Adjacent-channel interference (ACI), interference caused by extraneous power from a signal in an adjacent channel
  • Intersymbol interference (ISI), distortion of a signal in which one symbol interferes with subsequent symbols
  • Inter-carrier interference (ICI), caused by doppler shift in OFDM modulation
• Interference (genetic), a phenomenon by which a chromosomal crossover in one interval decreases the probability that additional crossovers will occur nearby
• Interference (wave propagation), in physics (optics), the superposition of two or more waves resulting in a new wave pattern
  • Thin-film interference, a phenomenon that occurs when incident light waves reflected by the upper and lower boundaries of a thin film interfere with one another to form a new wave
• Interference fit, two items attempting to occupy the same space
• Interference ripples, a type of sedimentary structure made up of two sets of ripples formed at right-angles to each other as a result of there being two dominant paleocurrents
• RNA interference, a process within living cells that moderates the activity of their genes
• Statistical interference, a method of determining when one distribution of values exceeds another
• Vaccine interference, interaction between two or more vaccines mixed in the same formulation

Social sciences

• Interference theory in psychology, interaction between newly learned material and past learned behavior, memories or thoughts
• Linguistic interference, language transfer of native language grammar and pronunciation into the learning and use of a second language

Sports

• Interference (chess), when a piece is sacrificially interposed between attacker and defender
• Interference (ice hockey), the penalty where a player impedes the movement of another player who does not have the puck
• Interference (baseball), an infraction where a person illegally changes the course of play from what is expected
• Blocking or interference, a legal move in American football whereby one player obstructs another player's path with his body.
• Pass interference, a penalty in American football and Canadian Football

Art, literature, and media

• Interference (film), Paramount Pictures' first all-talking feature film, made in 1928
• Interference (Cubanate album), 1998 industrial music album
• "Interference" (Prison Break episode), a 2007 episode of the TV series Prison Break
• Interference (Crease album), 1995 hard rock music album
• Interference (band), an Irish band who formed in 1984
• Interference, a 1984 book of abstract art photographs by Nick Rhodes
• Interference: Book One, a 1999 novel by Lawrence Miles, part of the Doctor Who science fiction series
  • Interference: Book Two, a 1999 novel by Lawrence Miles, part of the same series

Law

• Humanitarian interference, a state's use of military force against another state with the intent to end human-rights violations
• Interference proceeding in United States patent law, a proceeding to determine the priority issues of multiple patent applications

Other uses

• Interference, Inc., a guerrilla marketing company based in New York City
• Interference engine, an engine whose pistons can strike and damage the piston valves when the engine is cranked while the timing belt is broken
• Interference lithography, a technique for patterning regular arrays of fine features, without the use of complex optical systems or photomasks

See also

• Interference pattern (disambiguation)