PAR-meter - перевод на Английский
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PAR-meter - перевод на Английский

PEAK DIVIDED BY THE ROOT MEAN SQUARE (RMS) OF THE WAVEFORM
Par meter; Peak-to-average ratio

PAR-meter      

общая лексика

прибор для измерения отношения пикового значения сигнала к его среднему значению

сокращение

peak-to-average meter

electricity meter         
  • [[Itron]] OpenWay wattmeter with two-way communications for remote reading, in use by [[DTE Energy]]
  • One model of plug-in electricity meter, used to measure consumption of an individual appliance.
DEVICE USED TO MEASURE ELECTRICITY USE
Kilowatt-hour meter; Joule meter; Watt-hour meter; Energy meter; Electrical meter; Electric meter; Electricity Meter; Power monitor; Electricity monitor; Electricity usage monitor; Creep Test; Watt-hour meters; Energy Meter; KYZ relay; KWh meter; Plug load meter; Plug-in power monitor; KWh-meter; Watthour meter; Tod meter; Electrical energy measurement; Electric energy meter; Energy metering; Electricity token; Electric meters; Electricity meter box; Electric meter box; Electrical meter box; Prepaid electricity meter

Смотрите также

electric meter

creep test         
  • [[Itron]] OpenWay wattmeter with two-way communications for remote reading, in use by [[DTE Energy]]
  • One model of plug-in electricity meter, used to measure consumption of an individual appliance.
DEVICE USED TO MEASURE ELECTRICITY USE
Kilowatt-hour meter; Joule meter; Watt-hour meter; Energy meter; Electrical meter; Electric meter; Electricity Meter; Power monitor; Electricity monitor; Electricity usage monitor; Creep Test; Watt-hour meters; Energy Meter; KYZ relay; KWh meter; Plug load meter; Plug-in power monitor; KWh-meter; Watthour meter; Tod meter; Electrical energy measurement; Electric energy meter; Energy metering; Electricity token; Electric meters; Electricity meter box; Electric meter box; Electrical meter box; Prepaid electricity meter
испытание на ползучесть; определение длительной (долговременной) прочности при статической нагрузке

Определение

авиапочта
ж.
1) Почтовая связь, осуществляемая средствами авиации (2).
2) Почтовые отправления, пересылаемые таким способом.

Википедия

Crest factor

Crest factor is a parameter of a waveform, such as alternating current or sound, showing the ratio of peak values to the effective value. In other words, crest factor indicates how extreme the peaks are in a waveform. Crest factor 1 indicates no peaks, such as direct current or a square wave. Higher crest factors indicate peaks, for example sound waves tend to have high crest factors.

Crest factor is the peak amplitude of the waveform divided by the RMS value of the waveform.

The peak-to-average power ratio (PAPR) is the peak amplitude squared (giving the peak power) divided by the RMS value squared (giving the average power). It is the square of the crest factor.

When expressed in decibels, crest factor and PAPR are equivalent, due to the way decibels are calculated for power ratios vs amplitude ratios.

Crest factor and PAPR are therefore dimensionless quantities. While the crest factor is defined as a positive real number, in commercial products it is also commonly stated as the ratio of two whole numbers, e.g., 2:1. The PAPR is most used in signal processing applications. As it is a power ratio, it is normally expressed in decibels (dB). The crest factor of the test signal is a fairly important issue in loudspeaker testing standards; in this context it is usually expressed in dB.

The minimum possible crest factor is 1, 1:1 or 0 dB.

Как переводится PAR-meter на Русский язык