Calculation method for the number of fundamental frequency peaks

Calculation method for the number of fundamental frequency peaks, Total:40 items.

The international standard classification for "Calculation method for the number of fundamental frequency peaks" includes: Other methods of testing of metals , Environmental economics , Flanges, couplings and joints , Extraction and processing of petroleum and natural gas .

The Chinese standard classification for "Calculation method for the number of fundamental frequency peaks" includes: Metallographic testing method , Basic standards and general methods , Pipeline fittings .

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Professional Standard - Radio Television Film

• GY/T 262-2012 Algorithms to measure audio programme loudness and true-peak audio level

工业和信息化部

• SJ/T 11180.4-2019 Audio and audiovisual equipment. Digital audio parts. Basic measurement methods of audio characteristics. Part4: Microcomputer

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

• GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys

国家市场监督管理总局、中国国家标准化管理委员会

• GB/T 17186.2-2018 Calculation methods for the pipe flange joints—Part 2:Calculation method satisfies leakage rate
• GB/T 39186-2020 Calculation methods of water saved by projects for iron and steel industry

Professional Standard - Petroleum

• SY/T 5088-2002 Wellbore quality evaluation items and calculation methods

International Telecommunication Union (ITU)

• ITU-R BS.1770-2-2011 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R BS.1770-1-2007 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R BS.1770-2015 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R BS.1770-2 SPANISH-2011 Algorithms to measure audio program loudness and true-peak audio level Algorithms to measure the sound of radio programs and the real audio peak level
• ITU-R BS.1770-1 FRENCH-2007 Algorithms to measure audio programme loudness and true-peak audio level Algorithmes de mesure de l'intensit?sonore des programmes audio et des niveaux de cr阾e vrais des signaux audio
• ITU-R BS.1770-4-2015 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R M.1390-1999 Methodology for the Calculation of IMT-2000 Terrestrial Spectrum Requirements
• ITU-R M.1391-1999 Methodology for the Calculation of IMT-2000 Satellite Spectrum Requirements

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

• ITU-R BS.1770-1 SPANISH-2007 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R BS.1770-2 FRENCH-2011 Algorithmes de mesure de l'intensité sonore des programmes audio et des niveaux de crête vrais des signaux audio
• ITU-R BS.1770-3-2012 Algorithms to measure audio programme loudness and true-peak audio level
• ITU-R BS.1770-2006 Algorithms to measure audio programme loudness and true-peak audio level ((Question ITU-R 2/6))
• ITU-R SM.668-1990 Methods of Exchanging Computer Programs and Data for Spectrum Management Purposes - Section 1A - Spectrum Engineering and Computer-Aided Principles and Techniques

International Electrotechnical Commission (IEC)

• IEC TR 60268-18:1995 Sound system equipment - Part 18: Peak programme level meters - Digital audio peak level meter

Association Francaise de Normalisation

• NF C27-232*NF EN 60970:2007 Insulating liquides - Methods for counting and sizing particles.
• NF EN 61606-4:2014 Audio and audiovisual equipment - Digital audio parts - Fundamental methods for measuring audio characteristics - Part 4: personal computer
• NF DTU 55.2:2014 Audio and audiovisual equipment - Digital audio parts - Fundamental methods for measuring audio characteristics - Part 4: personal computer
• NF DTU 55.2 P2:2014 Audio and audiovisual equipment - Digital audio parts - Fundamental methods for measuring audio characteristics - Part 4: personal computer

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

• ASHRAE BN-97-4-1997 Symposium on Advanced Methods for Calculating Peak Cooling Loads

GSO

• BH GSO IEC 60268-18:2016 Sound system equipment - Part 18: Peak programme level meters - Digital audio peak level meter
• OS GSO IEC 60268-18:2014 Sound system equipment - Part 18: Peak programme level meters - Digital audio peak level meter
• BH GSO IEC 61606-4:2016 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 4: Personal computer
• GSO IEC 61606-4:2014 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 4: Personal computer

PL-PKN

• PN F02001-1991 Means of calculation technique. Calculators. Basic symbols

RU-GOST R

• GOST 21185-1975 Quasypeak level meters of the sound frequency electrical signals. Types, basic parameters and methods of testing
• GOST R 50779.44-2001 Statistical methods. Process capability characteristics. Basic methods for calculation

Danish Standards Foundation

• DS/EN 61606-4:2007 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 4: Personal computer

Japanese Industrial Standards Committee (JISC)

• JIS C 5533-4:2008 Audio and audiovisual equipment -- Digital audio parts -- Basic measurement methods of audio characteristics -- Part 4: Personal computer

European Committee for Electrotechnical Standardization（CENELEC）

• EN 61606-4:2006 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics Part 4: Personal computer

SCC

• DANSK DS/EN 61606-4:2007 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 4: Personal computer
• CEI EN 61606-4:2007 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics - Part 4: Personal computer
• AWWA CSC92079 A Computerized Approach to Capital Program Management
• NS 3459:2009 Computer-aided interchange of project data

BELST

• STB GOST R 50779.44-2003 Statistical methods. Process capability characteristics. Basic methods for calculation

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