bandwidth ratio

bandwidth ratio
Engineering: BWR

Универсальный русско-английский словарь. . 2011.

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  • bandwidth expansion ratio — juostos išplėtimo santykis statusas T sritis radioelektronika atitikmenys: angl. bandwidth expansion ratio vok. Bandverbreiterungszahl, f rus. коэффициент расширения полосы, m pranc. rapport d étalement de la largeur de bande, m …   Radioelektronikos terminų žodynas

  • 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

  • Narrow-bandwidth television — (NBTV) is a type of television designed to fit into a low bandwidth channel, in the extreme case using amateur radio voice frequency channels that only range up to a few kilohertz (though channels ranging into a few tens of kilohertz and beyond… …   Wikipedia

  • Contention ratio — In computer networking, the contention ratio is the ratio of the potential maximum demand to the actual bandwidth. The higher the contention ratio, the greater the number of users that may be trying to use the actual bandwidth at any one time and …   Wikipedia

  • Adjacent channel power ratio — (ACPR) is ratio between the total power of adjacent channel (intermodulation signal) to the main channel s power (useful signal). ACPR The ratio between the total power adjacent channel (intermodulation signal) to the main channel s power (useful …   Wikipedia

  • Compression Ratio — HD The difference between the original amount of data and the amount of data after the bandwidth has been reduced through compression, or the degree to which the data set has been reduced numerically. Usually expressed as a ratio such as 5:1 (5… …   Audio and video glossary

  • Shannon–Hartley theorem — In information theory, the Shannon–Hartley theorem tells the maximum rate at which information can be transmitted over a communications channel of a specified bandwidth in the presence of noise. It is an application of the noisy channel coding… …   Wikipedia

  • Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… …   Wikipedia

  • Antenna (radio) — Whip antenna on car …   Wikipedia

  • High-definition television — Logo High definition television (HDTV) is video that has resolution substantially higher than that of traditional television systems (standard definition television). HDTV has one or two million pixels per frame, roughly five times that of SD… …   Wikipedia

  • Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… …   Wikipedia

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