distortion ratio

См. также в других словарях:

• Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …   Wikipedia

• Total harmonic distortion — The total harmonic distortion, or THD, of a signal is a measurement of the harmonic distortion present and is defined as the ratio of the sum of the powers of all harmonic components to the power of the Fundamental frequency.Lesser THD, for… …   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

• 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

• 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

• 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

• Modulation error ratio — The modulation error ratio or MER is a measure used to quantify the performance of a digital radio transmitter or receiver in a communications system using digital modulation (such as QAM). A signal sent by an ideal transmitter or received by a… …   Wikipedia

• P/E ratio — Assume XYZ Co. sells for $25.50 per share and has earned $2.55 per share this year; $25. 50 = 10 times $2. 55 XYZ stock sells for 10 times earnings. P/E = Current stock price divided by trailing annual earnings per share or expected annual… …   Financial and business terms

• Degree of start-stop distortion — In telecommunication, the term degree of start stop distortion has the following meanings: In asynchronous data transmission, the ratio of (a) the absolute value of the maximum measured difference between the actual and theoretical intervals… …   Wikipedia

• transmission ratio distortion — transmission ratio distortion. См. смещение передаваемого соотношения. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• Degree of isochronous distortion — The degree of isochronous distortion, in data transmission, is the ratio of the absolute value of the maximum measured difference between the actual and the theoretical intervals separating any two significant instants of modulation (or… …   Wikipedia