FIR
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "FIR".

Look up fir in Wiktionary, the free dictionary.

FIR refer to:

• Finite impulse response, a digital filter type
• Forschungsinstitut für Rationalisierung, the Research Institute for Operations Management in English
• French Indian rupee, defunct currency in French India
• far infrared, i.e. infrared radiation of long wave length
• In India, First Information Report, the first report of crime filed by police
• Flight Information Region, a type of airspace
• F.I.R., a Mandarin pop music group from Taiwan
• in web design, Fahrner Image Replacement, a method for replacing text with an image using style sheets
• Federazione Italiana Rugby, the rugby union governing body in Italy
• Infrared Data Association, Fast Infrared
• Free ideal ring in mathematics

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.