- C-message weighting
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псофометрическое взвешивание (в телефонии)
Англо-русский словарь технических терминов. 2005.
C-message weighting
Смотреть что такое "C-message weighting" в других словарях:
Psophometric weighting — refers to any weighting curve used in the measurement of noise. In the field of audio engineering it has a more specific meaning, referring to noise weightings used especially in measuring noise on telecommunications circuits. Key standards are… … Wikipedia
DBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the level of circuit noise, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… … Wikipedia
dBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the circuit noise level, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… … Wikipedia
DBrn — The symbol dBrn or dB(rn) is an abbreviation for decibels above reference noise. Weighted noise power in dB is referred to 1.0 picowatt. Thus, 0 dBrn = 90 dBm. Use of 144 line, 144 receiver, or C message weighting, or flat weighting, can be… … Wikipedia
dBrn — The symbol dBrn or dB(rn) is an abbreviation for decibels above reference noise. Weighted noise power in dB is referred to 1.0 picowatt. Thus, 0 dBrn = 90 dBm. Use of 144 line, 144 receiver, or C message weighting, or flat weighting, can be… … Wikipedia
Channel noise level — In telecommunications, the term channel noise level has the following meanings: The ratio of the channel noise at any point in a transmission system to an arbitrary level chosen as a reference.[1][2] The noise power spectral density in the… … Wikipedia
псофометрическое взвешивание — Метод неравномерного взвешивания шума в полосе частот речевого сигнала 0,3 3,4 кГц. Весовые коэффициенты выбираются таким образом, чтобы кривая псофометрического взвешивания резко спадала на частотах, лежащих ниже 700 и выше 2800 Гц. [Л.М.… … Справочник технического переводчика
PageRank — is a link analysis algorithm that assigns a numerical weighting to each element of a hyperlinked set of documents, such as the World Wide Web, with the purpose of measuring its relative importance within the set. The algorithm may be applied to… … Wikipedia
Comparison of programming paradigms — Programming paradigms Agent oriented Automata based Component based Flow based Pipelined Concatenative Concurrent computin … Wikipedia
Competitor analysis — in marketing and strategic management is an assessment of the strengths and weaknesses of current and potential competitors. This analysis provides both an offensive and defensive strategic context to identify opportunities and threats. Profiling … Wikipedia
Matched filter — In telecommunications, a matched filter (originally known as a North filter[1]) is obtained by correlating a known signal, or template, with an unknown signal to detect the presence of the template in the unknown signal. This is equivalent to… … Wikipedia
