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ITU-R V.574

Use of the decibel and the neper in telecommunications

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Organization: ITU-R
Publication Date: 1 August 2015
Status: active
Page Count: 13
scope:

This text recommends the symbols to be used for the logarithmic expression of quantities referring to power, and provides examples of the use as well as the relationship between the decibel and the neper.

Document History

ITU-R V.574
August 1, 2015
Use of the decibel and the neper in telecommunications
This text recommends the symbols to be used for the logarithmic expression of quantities referring to power, and provides examples of the use as well as the relationship between the decibel and the...
ITU-R V.574
January 1, 2000
USE OF THE DECIBEL AND THE NEPER IN TELECOMMUNICATIONS
A description is not available for this item.
V.574-3
June 1, 1990
Use of the Decibel and the Neper in Telecommunications - Section C - Other Means of Expression
A description is not available for this item.

References

This document references:
ITU-R V.573 - Radiocommunication vocabulary
Published by ITU-R on August 1, 2015
This Recommendation provides the main vocabulary reference, giving synonymous terms in six languages and the associated definitions. It includes terms given in Article 1 of the Radio Regulations (RR)...
This document references:
ITU-R V.665 - Traffic intensity unit
Published by ITU-R on August 1, 2015
This Recommendation defines the variable "traffic intensity" and the unit used: the erlang (E).
This document references:
ITU-R V.430 - Use of the international system of units (SI)
Published by ITU-R on August 1, 2015
This text recommends the use of the international system of units (SI), together with the symbols for their representation. It also recommends that other units and symbols in the field of...
This document references:
ITU-R V.431 - Nomenclature of the frequency and wavelengh bands used in telecommunications
Published by ITU-R on August 1, 2015
This text recommends the use of the hertz (Hz) as the unit of frequency, and the nomenclature to be used for the description of frequency and wavelength bands. It also provides extended information...
This document references:
IEC 60027-3 - Letter Symbols to Be Used in Electrical Technology - Part 3: Logarithmic and Related Quantities and Their Units
Published by IEC on July 1, 2002
This part of IEC 60027 gives general information about logarithmic and related quantities, and their units. Names and symbols for logarithmic quantities are given in other parts of IEC 60027, mainly...
This document references:
ITU-R V.430 - Use of the international system of units (SI)
Published by ITU-R on August 1, 2015
This text recommends the use of the international system of units (SI), together with the symbols for their representation. It also recommends that other units and symbols in the field of...
This document references:
ITU-R V.431 - Nomenclature of the frequency and wavelengh bands used in telecommunications
Published by ITU-R on August 1, 2015
This text recommends the use of the hertz (Hz) as the unit of frequency, and the nomenclature to be used for the description of frequency and wavelength bands. It also provides extended information...
This document references:
ITU-R V.573 - Radiocommunication vocabulary
Published by ITU-R on August 1, 2015
This Recommendation provides the main vocabulary reference, giving synonymous terms in six languages and the associated definitions. It includes terms given in Article 1 of the Radio Regulations (RR)...
This document references:
ITU-R V.665 - Traffic intensity unit
Published by ITU-R on August 1, 2015
This Recommendation defines the variable "traffic intensity" and the unit used: the erlang (E).
This document is referenced by:
ITU-T G.100.1 - The use of the decibel and of relative levels in speechband telecommunications
Published by ITU-T on June 1, 2015
In transmission engineering, most often it would be rather impractical to characterize the magnitude of signals directly by a numerical value in volts or watts. Instead, a logarithmic measure is...
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