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Database: 365,228(8 Aug 2026)

Signal factor

Signal factor, Total:219 items.

The international standard classification for "Signal factor" includes: IT applications in office work , Railway rolling stock , Tobacco, tobacco products and related equipment , Aircraft and space vehicles in general .

The Chinese standard classification for "Signal factor" includes: Computer application , Basic standards and general methods , Sanitation in general , Tobacco curing in general , Spacecraft .


Professional Standard - Agriculture

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 18304-2001 Information technology--Chinese specification of internet character transfer format for email
  • GB/T 28809-2012 Railway applications - Communication, signaling and processing systems - Safety related electronic systems for signaling

Group Standards of the People's Republic of China

  • T/QGCML 2461-2023 Forest carbon sequestration factor monitoring equipment
  • T/ZPP 025-2023 Electronic Information Engineering Digital Signal Processing System

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5263-1986 Method of Test for Shrinkage Factors of Soils
  • CNS 12491.4-1989 Graphical Symbols for Use on Electrical and Electronic Equipment (Alarm,Signal,Filter)
  • CNS 12491-4-1989 Graphical Symbols for Use on Electrical and Electronic Equipment (Alarm,Signal,Filter)
  • CNS 12491.6-1989 Graphical Symbols for Use on Electrical and Electronic Equipment (Telecommunication)
  • CNS 12491-6-1989 Graphical Symbols for Use on Electrical and Electronic Equipment (Telecommunication)
  • CNS 11614-1986 Marine Electronic Pressure Transmitters

Anhui Provincial Standard of the People's Republic of China

Professional Standard - Hygiene

  • WS/T 220-2002 Determination of coagulant factor activities--General guideline

Professional Standard - Tobacco

  • YC/T 150-2002 Tobacco seed - Determination of genetically modified organism

Professional Standard - Aerospace

  • QJ 1439-1988 Calculation Method for Satellite Shined Factor

Magyar Szabványügyi Testület

American Society of Mechanical Engineers (ASME)

  • ASME B31J-2023 Stress Intensification Factors (i-Factors), Flexibility Factors (k-Factors), and Their Determination for Metallic Piping Components
  • ASME STP-PT-073-2014 STRESS INTENSITY FACTOR AND K-FACTOR ALIGNMENT FOR METALLIC PIPES
  • ASME B31J-2017 Stress Intensification Factors (i-Factors), Flexibility Factors (k-Factors), and Their Determination for Metallic Piping Components
  • ASME B31J-2017/errata-2017 Stress Intensification Factors (i-Factors), Flexibility Factors (k-Factors), and Their Determination for Metallic Piping Components
  • ASME STP-PT-097-2023 Stress Intensification Factor, K-Factor, and Sustained Stress Index Development—Phase II
  • ASME B31J-2017 errata Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components
  • ASME B31J-ES (SPANISH)-2008 Standard measurement method to determine escalation intensification factors (Factores i) for metal tube components
  • ASME B31J-2008(R2013) Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components
  • ASME B31.J-2008 Standard Test Method for Determining Stress Intensification Factors (i-Factors) for Metallic Piping Components

Danish Standards Foundation

  • DS/ISO/TR 29901:2008 Selected illustrations of full factorial experiments with four factors
  • DS/ISO/TR 29901/Corr. 1:2009 Selected illustrations of full factorial experiments with four factors
  • DS/EN 978:1998 Underground tanks of glass-reinforced plastics (GRP) - Determination of factor alpha and factor beta
  • DANSK DS/EN 61280-2-12:2014 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • DANSK DS/ISO/TR 29901:2008 Selected illustrations of full factorial experiments with four factors
  • DS/EN 61280-2-11:2006 Fibre optic communication subsystem test procedures -- Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • DS/EN 301104 V1.1.1:2000 Human Factors (HF); Human factors requirements for a European Telephony Numbering Space (ETNS)
  • DS/EN 301462 V1.1.1:2001 Human Factors (HF); Symbols to identify telecommunications facilities for deaf and hard of hearing people
  • DANSK DS/EN 50129:2003 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • DANSK DS/EN 50129/AC:2019 Railway applications – Communication, signalling and processing systems – Safety related electronic systems for signalling
  • DS/ISO/IEC 23092-2:2020 Information technology – Genomic information representation – Part 2: Coding of genomic information
  • DANSK DS/ISO/IEC 23092-2:2020 Information technology – Genomic information representation – Part 2: Coding of genomic information
  • DS/EN 50129:2004 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • DS/ISO/IEC TR 18016:2004 Information technology - Message Handling Systems (MHS) - Interworking with Internet e-mail

Standards Norway

  • NS 3845:2020 Blue-Green Factor - Calculation method and weighting factors
  • NS-EN 978:1997 Underground tanks of glass-reinforced plastics (GRP) — Determination of factor alpha and factor beta

AASHTO - American Association of State Highway and Transportation Officials

International Telecommunication Union (ITU)

  • ITU-T R.80-1976 Causes of disturbances of signals in VFT channels and their effect on telegraph distortion
  • ITU-T R.80 FRENCH-1988 CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
  • ITU-T R.80 SPANISH-1988 CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
  • ITU-T R.80-1980 Causes of disturbances to signals in VFT channels and their effect on telegraph distortion
  • ITU-T R.58 BIS-1989 Limits on Signal Transfer Delay for Telegraph, Telex and Gentex Networks - Telegraph Transmission (Study Group IX) 2 pp
  • ITU-T R.80-1984 Causes of disturbances to signals in VFT channels and their effect on telegraph distortion
  • ITU-T X.61 FRENCH-1988 SIGNALLING SYSTEM No. 7 - DATA USER PART
  • ITU-T G.113 App. I-2002 Provisional planning values for the equipment impairment factor Ie and packet-loss robustness factor Bpl
  • ITU-T Q.850-2018 Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part (Study Group 11)
  • ITU-T G.808.1 (2006) Amd. 1-2009 Signal degradation as a trigger for protection switching in packet transport layer networks
  • ITU-T R.80-1988 CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
  • ITU-T R.80-1989 Causes of Disturbances to Signals in VFT Channels and Their Effect on Telegraph Distortion - Telegraph Transmission (Study Group IX) 2 pp

American Society for Testing and Materials (ASTM)

  • ASTM E3029-15 Standard Practice for Determining Relative Spectral Correction Factors for Emission Signal of Fluorescence Spectrometers

American Petroleum Institute (API)

Japanese Industrial Standards Committee (JISC)

  • JIS C 61280-2-11:2010 Fiber optic communication subsystem test procedures -- Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring

German Institute for Standardization

  • DIN EN 301104:2000 Human Factors (HF) - Human factors requirements for a European Telephony Numbering Space (ETNS) (Endorsement of the English version EN 301104 V 1.1.1 (1998-10) as German standard)
  • DIN EN 61280-2-11:2006-11 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (IEC 61280-2-11:2006); German version EN 61280-2-11:2006
  • DIN 33450:2022-04 Graphical symbol for information about surveillance with optical-electronic devices (video-info signs)
  • DIN 33450 E:2021-07 Graphical symbol for information about surveillance with optical-electronic devices (video-info signs)
  • DIN 33450:2004 Graphical symbol for information about surveillance with optical-electronic devices (video-info signs)
  • DIN EN 301104:2000-04 Human Factors (HF) - Human factors requirements for a European Telephony Numbering Space (ETNS) (Endorsement of the English version EN 301104 V 1.1.1 (1998-10) as German standard) / Note: Endorsement notice
  • DIN EN 61280-2-11:2006 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (IEC 61280-2-11:2006); German version EN 61280-2-11:2006
  • DIN EN 50129:2019 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling; German version EN 50129:2018 + AC:2019
  • DIN EN 61280-2-12:2015-03 Fiber optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment (IEC 61280-2-12:2014); German version EN 61280-2-12:...
  • DIN EN 50129 E:2017-07 Draft Document - Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling; German version prEN 50129:2016
  • DIN EN 50129 E:2017 Draft Document - Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling; German version prEN 50129:2016
  • DIN EN 61280-2-12 E:2013-04 Draft Document - Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment (IEC 86C/1100/CD:2013)

The American Road & Transportation Builders Association

British Standards Institution (BSI)

  • BS EN 61280-2-11:2006 Fibre optic communication subsystem test procedures - Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • BS PD ISO/TS 22693:2021 Genomics informatics. Structured clinical gene fusion report in electronic health records
  • PD ISO/TS 22693:2021 Genomics informatics. Structured clinical gene fusion report in electronic health records
  • BS EN 61280-2-12:2014 Fibre optic communication subsystem test procedures. Digital systems. Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • BS EN 978:1997 Underground tanks of glass-reinforced plastics (GRP) - Determination of factor and factor
  • PD ISO/TR 29901:2007(2009) Selected illustrations of full factorial experiments with four factors
  • BS EN 50129:2018(2019) Railway applications – Communication, signalling and processing systems – Safety related electronic systems for signalling
  • BS EN ISO 21393:2021 Genomics informatics. Omics Markup Language (OML)
  • PD ISO/TS 20428:2024 Genomics Informatics — Data elements and their metadata for describing structured clinical genomic sequence information in electronic health records
  • 24/30505099 DC BS EN 50129 Railway Application - Communication, signalling and processing system - Safety related electronic systems for signalling
  • BS 442:1932 Terminals for electrical apparatus for railway signalling purposes
  • BS 3939 SECTION 26:1970 Graphical symbols for electrical power, telecommunications and electronics diagrams-Symbols for topographical diagrams
  • BS PD ISO/TS 20428:2024 Genomics Informatics. Data elements and their metadata for describing structured clinical genomic sequence information in electronic health records

Building Officials and Code Administrators International(U.S.)

Lithuanian Standards Office

  • LST EN 978-2000 Underground tanks of glass-reinforced plastics (GRP) - Determination of factor alpha and factor beta
  • LST EN 301 104 V1.1.1-2005 Human Factors (HF); Human factors requirements for a European Telephony Numbering Space (ETNS)
  • LST EN 301 462 V1.1.1-2002 Human Factors (HF); Symbols to identify telecommunications facilities for the deaf and hard of hearing people
  • LST EN 50129-2004 Railway applications. Communication, signalling and processing systems. Safety related electronic systems for signalling
  • LST EN 50129-2004/AC-2010 Railway applications. Communication, signalling and processing systems. Safety related electronic systems for signalling
  • LST EN 61280-2-11-2006 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (IEC 61280-2-11:2006)

ATIS - Alliance for Telecommunications Industry Solutions

  • T1.650-1995 ISDN - Usage of the Cause Information Element in Digital Subsriber Signaling System Number 1 (DSS1)
  • 1000650-1995 Integrated Services Digital Network (ISDN) – Usage of the Cause Information Element in Digital Subscriber Signaling System Number 1 (DSS1)

Alliance of Telecommunications Industry Solutions (ATIS)

  • ATIS T1-650-1995(R2005) ISDN-Usage of the Cause Information Element in Digital Subscriber Signaling System Number 1 (DSS1)

International Organization for Standardization (ISO)

  • ISO/TS 22693:2021 Genomics informatics - Structured clinical gene fusion report in electronic health records
  • ISO/DIS 2469:2023 Paper, board and pulps — Measurement of diffuse radiance factor (diffuse reflectance factor)
  • ISO/TR 3836:1978 Shoe sizes; System of width grading (for use in the Mondopoint system)
  • ISO/IEC 23092-2:2019 Information technology — Genomic information representation — Part 2: Coding of genomic information
  • ISO/IEC TR 18016:2003 Information technology - Message Handling Systems (MHS): Interworking with Internet e-mail
  • ISO/IEC 23092-2:2020 Information technology — Genomic information representation — Part 2: Coding of genomic information
  • ISO 21393:2021 Genomics informatics - Omics Markup Language (OML)
  • ISO/TS 4424:2023 Genomics informatics
  • ISO/IEC 23092-2:2024 Information technology — Genomic information representation — Part 2: Coding of genomic information
  • ISO/IEC FDIS 23092-2:2023 Information technology — Genomic information representation — Part 2: Coding of genomic information
  • ISO/TS 8376:2023 Genomics informatics
  • ISO/DTS 20428:2024 Genomics Informatics—Data elements and their metadata for describing structured clinical genomic sequence information in electronic health records
  • ISO/CD TS 20428:2024 Genomics Informatics—Data elements and their metadata for describing structured clinical genomic sequence information in electronic health records

Indonesia Standards

Association of German Mechanical Engineers

Comitato Elettrotecnico Italiano

  • CEI EN 61280-2-11:2006 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • CEI EN 61280-2-12:2015 Fibre optic communication subsystem test procedures Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment

Spanish Association for Standardization (UNE)

  • UNE-EN 61280-2-11:2006 Fibre optic communication subsystem test procedures -- Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (Endorsed by AENOR in June of 2006.)
  • UNE-EN 978:1998 UNDERGROUND TANKS OF GLASS-REINFORCED PLASTICS (GRP). DETERMINATION OF FACTOR ALPHA AND FACTOR BETA.
  • UNE-EN 61280-2-12:2014 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment (Endorsed by AENOR in August of 2014.)
  • AENOR UNE-EN 50129 CORR:2005 Railway applications - Communication, signaling and processing systems - Safety related electronic systems for signaling
  • UNE-EN 50129:2020 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • AENOR UNE-EN 50129:2020 Railway applications - Communication, signaling and processing systems - Safety related electronic systems for signaling
  • UNE-EN 50129:2005 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

European Committee for Electrotechnical Standardization(CENELEC)

  • EN 61280-2-12:2014 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • prEN 50129 Railway Application - Communication, signalling and processing system - Safety related electronic systems for signalling

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO IEC 61280-2-12:2017 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • OS GSO IEC 62425:2014 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

Association Francaise de Normalisation

  • NF C93-807-2-12*NF EN 61280-2-12:2014 Fibre optic communication subsystem test procedures - Part 2-12 : digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • NF ISO 2469:2014 Paper, cardboard and pulp - Measurement of diffuse radiance factor (diffuse reflectance factor)
  • NF EN 978:1997 Underground glass-reinforced plastic (GRP) tanks - Determination of alpha factor and beta factor
  • NF C93-807-2-11*NF EN 61280-2-11:2006 Fibre optic communication subsystem test procedures - Part 2-11 : digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • NF EN 50129:2018 Railway applications - Signaling, telecommunications and processing systems - Electronic safety systems for signaling
  • NF M08-009:1987 Liquefied petroleum gases. Compressibility factors.
  • NF F74-129*NF EN 50129:2018 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

Swedish Institute for Standards

  • SS-EN 61280-2-12:2015 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • SS-EN 61280-2-11:2008 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • SS-EN 50129:2019 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

GCC Standardization Organization

  • GSO IEC 61280-2-12:2017 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
  • GSO IEC 61280-2-11:2013 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • OS GSO ISO 21393:2024 Genomics informatics — Omics Markup Language (OML)
  • GSO IEC 62425:2014 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

Ente Nazionale Italiano di Unificazione

International Electrotechnical Commission (IEC)

  • IEC 61280-2-11:2006 Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring
  • IEC 62425:2025 CMV Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling
  • IEC 61280-2-12:2014 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment

ETSI

CZ-CSN

Association for Electrical, Electronic & Information Technologies (VDE)

  • VDE 0831-129-2003 Railway applications - Communications@ signalling and processing systems - Safety related electronic systems for signalling; German version EN 50129:2003
  • VDE 0831-129-2017 Railway applications - Communication@ signalling and processing systems - Safety related electronic systems for signalling; German version prEN 50129:2016
  • VDE 0831-129-2019 Railway applications - Communication@ signalling and processing systems - Safety related electronic systems for signalling; German version EN 50129:2018 + AC:2019
  • VDE 0831-129 BERICHTIGUNG 1-2010 Railway applications - Communication@ signalling and processing systems - Safety related electronic systems for Signalling - German version EN 50129:2003@ Corrigendum to DIN EN 50129 (VDE 0831-129):2003-12; German version CENELEC-Cor.:2010 to EN 50129:200
  • VDE 0885-802-12-2015 Fibre optic communication subsystem test procedures - Part 2-12: Digital systems - Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment (IEC 61280-2-12:2014); German version EN 61280-2-12:201

ETSI - European Telecommunications Standards Institute

  • TR 101 056-1997 Human Factors (HF); European Numbering Task Force (ENTF); Human Factors Aspects of the European Telephony Numbering Space (ETNS) (V1.1.1)
  • ES 201 104-1997 Human Factors (HF); Human Factors Requirements for a European Telephony Numbering Space (ETNS) (V1.1.1)
  • ES 201 104-1998 Human Factors (HF); Human Factors Requirements for a European Telephony Numbering Space (ETNS) (V1.1.1)
  • EG 201 013-1997 Human Factors (HF); Definitions@ Abbreviations and Symbols (V1.1.1)

European Telecommunications Standards Institute (ETSI)

  • ETSI EN 301 104:1998 Human Factors (HF); Human Factors Requirements for a European Telephony Numbering Space (ETNS) (V1.1.1)
  • ETSI TR 101 056-1997 Human Factors (HF); European Numbering Task Force (ENTF); Human Factors Aspects of the European Telephony Numbering Space (ETNS) (V1.1.1)
  • ETSI EN 301 462:2000 Human Factors (HF); Symbols to Identify Telecommunications Facilities for Deaf and Hard of Hearing People (V1.1.1)
  • ETSI ES 201 104-1998 Human Factors (HF); Human Factors Requirements for a European Telephony Numbering Space (ETNS) (V1.1.1)
  • ETSI EN 301 104-1998 Human Factors (HF); Human Factors Requirements for a European Telephony Numbering Space (ETNS) (V1.1.1)

ANS - American Nuclear Society

  • 6.1.1-1991 Neutron and Gamma-Ray Fluence-to-Dose Factors

FI-SFS

  • SFS 4608-1966 Electronic technology draws signals. Measuring equipment, electric lamps and signaling equipment

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

  • ASHRAE 4100-1998 Relationships between Structure Factors@ Response Factors@ and Z-Transfer Function Coefficients for Multilayer Walls

RO-ASRO

  • STAS 9821/2-1988 Current distrbutors for spark ignition engincs VERTICAL CURRENT DISTRIBU- TORS Outleni and mounting dimensions
  • STAS 9483-1988 LETTER SYMBOLS USED IN ELECTRONICS AND TELECOMM1T NICATIONS

Canadian Standards Association (CSA)

European Committee for Standardization (CEN)

  • EN ISO 21393:2021 Genomics informatics - Omics Markup Language (OML) (ISO 21393:2021)

Standard Association of Australia (SAA)

  • IEC 62425:2025 Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

CH-SNV

  • VSM 28451-1960 Instrument safety regulations for electronic sound, electronic imaging, information and remote signaling technology (Instrument Regulations for Remote Signaling Technology, VAF)

Korean Agency for Technology and Standards (KATS)

  • KS K 0811-2011 Test method for determination of the cover factor of knitted fabric

Society of Automotive Engineers (SAE)

National Association of Corrosion Engineers (NACE)

IX-ECMA

  • ECMA 341-2008 Environmental Design Considerations for ICT& CE Products 3rd Edition

ESDU - Engineering Sciences Data Unit

IETF - Internet Engineering Task Force

Institute of Electrical and Electronics Engineers (IEEE)

Bureau of Indian Standards