FIR
From Freepedia
FIR may stand for:
- finite impulse response (a property of some digital filters)
- 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., the Mandarin rock music group
- in web design, Fahrner Image Replacement, a method for replacing text with an image using style sheets [1]
Also refers to military airforce controlled areas.
