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FIR

From Wiktionary, the free dictionary
See also: fir, fir-, and fír

English

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Adjective

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FIR (not comparable)

  1. (signal processing, of a filter) Initialism of finite impulse response; that has impulse response (or response to any finite length input) of finite duration.

Noun

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FIR (countable and uncountable, plural FIRs)

  1. (aviation) Initialism of flight information region; a specified region of airspace in which a flight information service (FIS) and an alerting service (ALRS) are provided
  2. (South Asia, Singapore, law enforcement) Initialism of first information report.
  3. (uncountable) Abbreviation of far infrared or far infrared radiation.
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flight information region
infrared

Anagrams

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