- peak-to-average ratio
- отношение пикового значения к среднему
Большой англо-русский и русско-английский словарь. 2001.
peak-to-average ratio
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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
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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
Air-fuel ratio meter — An air fuel ratio meter monitors the air fuel ratio of an internal combustion engine. Also called air fuel ratio gauge, air fuel meter, or air fuel gauge. It reads the voltage output of an oxygen sensor, sometimes also called lambda sensor,… … Wikipedia
Seasonal energy efficiency ratio — The efficiency of air conditioners is often rated by the Seasonal Energy Efficiency Ratio (SEER) which is defined by the [Air Conditioning, Heating, and Refrigeration Institute] in its standard ARI 210=240, Performance Rating of Unitary Air… … Wikipedia
duty ratio — In a pulse radar, or similar, system the ratio of average to peak pulse power … Aviation dictionary
Crest factor — The crest factor or peak to average ratio (PAR) or peak to average power ratio (PAPR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform. It is therefore a dimensionless… … Wikipedia
Audio system measurements — are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative… … Wikipedia
Microwave power meter — A microwave power meter is an instrument which measures the electrical power at microwave frequencies. Usually a microwave power meter will consist of a measuring head which contains the actual power sensing element, connected via a cable to the… … Wikipedia
Par — Contents 1 In golf 2 In television, video and on stage 3 In computing … Wikipedia
