background interference

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• interference — [n] meddling, impedance arrest, background, backseat driving*, barging in*, barring, blocking, checking, choking, clashing, clogging, conflict, hampering, hindrance, intermeddling, interposition, intervention, intrusion, meddlesomeness,… …   New thesaurus

• Interference (wave propagation) — Two point interference in a ripple tank. In physics, interference is the phenomenon in which two waves superpose each other to form a resultant wave of greater or lower amplitude. Interference usually refers to the interaction of waves that are… …   Wikipedia

• Background noise — In acoustics and specifically in acoustical engineering, background noise is any sound other than the sound being monitored. Background noise is a form of noise pollution or interference. Background noise is an important concept in setting noise… …   Wikipedia

• background signal — noun extraneous signals that can be confused with the phenomenon to be observed or measured they got a bad connection and could hardly hear one another over the background signals • Syn: ↑background • Hypernyms: ↑noise, ↑interference,… …   Useful english dictionary

• background noise —    Any unwanted signal that enters a line, channel, or circuit; for example, electrical interference on a telephone circuit.    See also noise …   Dictionary of networking

• Classical interference microscopy — (also referred to as quantitative interference microscopy) uses two separate light beams with much greater lateral separation than that used in phase contrast microscopy or in differential interference microscopy (DIC). In variants of the… …   Wikipedia

• Cosmic Background Explorer — (COBE) General information NSSDC ID 1989 089A Organization NASA …   Wikipedia

• Fluorescence interference contrast microscopy — Fluorescence interference contrast (FLIC) microscopy is a microscopic technique developed to achieve z resolution on the nanometer scale. FLIC occurs whenever fluorescent objects are in the vicinity of a reflecting surface (e.g. Si wafer). The… …   Wikipedia

• Discovery of cosmic microwave background radiation — Bell Labs Horn Antenna in Crawford Hill, NJ In 1965 while using the Horn Antenna, Penzias and Wilson stumbled on the microwave background radiation that permeates the universe. This article concerns the accidental discovery of cosmic microwave… …   Wikipedia

• Differential interference contrast microscopy — Micrasterias furcata imaged in transmitted DIC microscopy. Differential interference contrast microscopy (DIC), also known as Nomarski Interference Contrast (NIC) or Nomarski microscopy, is an optical microscopy illumination technique used to… …   Wikipedia

• differential interference contrast — Method of image formation in the light microscope based on the method proposed by Nomarski (though strictly speaking all forms of optical microscopy rely to a greater or lesser extent on differential interference). The light beam is split by a… …   Dictionary of molecular biology