- power interference ratio
- Engineering: PIR
Универсальный русско-английский словарь. Академик.ру. 2011.
Универсальный русско-английский словарь. Академик.ру. 2011.
Signal-to-interference ratio — The signal to interference ratio (S/I or SIR), also known as the carrier to interference ratio ( C/I , CIR), is the quotient between the average received modulated carrier power S or C and the average received co channel interference power I ,… … Wikipedia
Power control — Power control, broadly speaking, is the intelligent selection of transmit power in a communication system to achieve good performance within the system. The notion of good performance can depend on context and may include optimizing metrics such… … Wikipedia
Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… … Wikipedia
Carrier-to-noise ratio — In telecommunications, the carrier to noise ratio, often written CNR or C/N , is the signal to noise ratio (SNR) of a modulated signal. The CNR is the quotient between the average received modulated carrier power C and the average received noise… … Wikipedia
Co-channel interference — or CCI is crosstalk from two different radio transmitters using the same frequency. There can be several causes of co channel radio interference; four examples are listed here. Cellular Mobile Networks: In cellular mobile communication (GSM LTE… … Wikipedia
Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… … Wikipedia
Output power of an analog TV transmitter — Output power of a TV transmitter is the electric power applied to antenna system. There are two definitions: nominal (or peak) and thermal. Contents 1 Power defined in terms of voltage 2 Nominal power of a TV transmitter 3 The thermal power … Wikipedia
Electromagnetic interference at 2.4ghz — can affect various devices.This article details the different users of the 2.4ghz band, how they cause interference to other users and how they are prone to interference from other users.PhoneMany cordless telephones in the US and Canada use the… … Wikipedia
Switched-mode power supply — switched mode power supply. A bridge rectifier B Input filter capacitors C Transformer D output filter coil E output filter capacitors ] A switched mode power supply, switching mode power supply or SMPS, is an electronic power supply unit (PSU)… … Wikipedia
signal-to-noise ratio — The ratio, at a selected point in the circuit, of signal power to noise power. It measures the comprehensibility of a data source or transmission link, usually expressed as the root mean square signal amplitude divided by the root mean square… … Aviation dictionary
Equivalent isotropically radiated power — In radio communication systems, Equivalent isotropically radiated power (EIRP) or, alternatively, Effective isotropically radiated power [ IEEE Std. 100 The Authoritative Dictionary of IEEE Standards Terms, 7th Edition , The Institute of… … Wikipedia