IIR
Encyclopedia
IIR may refer to
- IIR Holdings, a human capital development company acquired by Informa
- Indo-Iranian languagesIndo-Iranian languagesThe Indo-Iranian language group constitutes the easternmost extant branch of the Indo-European family of languages. It consists of three language groups: the Indo-Aryan, Iranian and Nuristani...
- Infinite impulse responseInfinite impulse responseInfinite impulse response is a property of signal processing systems. Systems with this property are known as IIR systems or, when dealing with filter systems, as IIR filters. IIR systems have an impulse response function that is non-zero over an infinite length of time...