frequency

frequency, Total:329 items.

The international standard classification for "frequency" includes: Measurement of time, velocity, acceleration, angular velocity , Acoustics measurements and noise abatement in general , Graphical symbols for use on mechanical engineering and construction drawings, , Other audio, video and audiovisual equipment , Measurement of electrical and magnetic quantities , Telecommunications. Audio and video engineering (Vocabularies) , Special measuring equipment for use in telecommunications , Electroacoustics , Electrical engineering in general , Receiving and transmitting equipment , R.F. connectors , Information technology (IT) in general , Alarm and warning systems , Electricity. Magnetism. General aspects , audio, video and audiovisual engineering , Electricity. Magnetism. Electrical and magnetic measurements , Amplifiers , Character sets and information coding , Radio receivers , Audio systems , Integrated circuits. Microelectronics , Electromagnetic compatibility(EMC) , audio, video and audiovisual systems in general , Video systems , Coaxial cables. Waveguides , Plant care equipment , Wind turbine systems and other alternative sources of energy , Multimedia systems and teleconferencing equipment , Protection against crime , Radio relay and fixed satellite communications systems , Insulating gases , Education , Power transmission and distribution networks , Components for electrical equipment , Road equipment and installations , Navigation and control equipment , Therapy equipment , Anaesthetic, respiratory and reanimation equipment , Non-destructive testing , Shipbuilding and marine structures in general , Materials and components for shipbuilding , Exploratory and extraction equipment , Aerospace electric equipment and systems , Aircraft and space vehicles in general .

The Chinese standard classification for "frequency" includes: Time and Frequency Measurement , Radio Measurement , Acoustic Measurement , Length Measurement , Technical management , Technical management , Electronic measurement and equipment in general , Technical management , Radio communication equipment , Radar, navigation, remote control, remote measuring and antenna synthesis , Technical management , Technical management , Electromagnetic compatibility , Technical management , Technical Management , Basic standards and general methods , Broadcasting and television equipment in general , Other electronic instrument and equipment , Broadcasting and television transmission and receiving equipment , Connector , Basic standards and general methods , Guard and alarm system , Basic standards and general methods , Recording equipment , Sound and electronic sound equipment , Code, character set and character recognition , Hygiene, safety and labor protection , Broadcasting and television network in general , Semiconductor integrated circuit , Wave guide coaxial component and accessory , Program transmission , Farming machinery and tools , Satellite communication equipment , Wind energy , Electric transmission and transformation equipment in general , Carrier communication equipment , Physics and Mechanics , Electrical insulating material and its products , Communication engineering , Special instruments for teaching , Relay protection and automatic device , , High voltage switchgear , Broadcasting and television network structure , Management, utilization and service of shore station communication equipment , Broadcasting and television system , Signal equipment , Blocking systems and axle counters , Railway communication network , Physiotherapy and TCM instrument and equipment , Surgery devices , Electrical system and equipment , Measuring tool and instrument , Steam turbine and its auxiliary equipment , Electrical logging simulation indicating instrument , Medicinal materials pickoff and Chinese medicine processing machinery , Ultrasonic wave and sound radiation defectoscope , Metal material testing machine , Marine communication equipment , Marine hydraulic/pneumatic elements and accessories , Petroleum geology exploration , Arrangement of transmission system group and frequency spectrum , Telecommunication power supply equipment , Hybrid integrated circuit , Geophysical search equipment , Spacecraft telemetering and remote sensing system , Basic standards and general methods , Crime judging technology , Earth science instrument .

National Metrological Verification Regulations of the People's Republic of China

JJG(邮电) 032-1995 Verification rules for dual-tone multi-frequency telephone tester
JJG 126-2022 Power Frequency A.C.Electrical Quantities Measuring Transducers
JJG(电子) 11007-1988 620kHz~18.6MHz frequency selection level meter trial implementation verification regulations
JJG(电子) 11006-1988 Trial verification regulations for low-frequency frequency-selective level meters below 620kHz
JJG(电子) 02004-1988 Trial Verification Regulations for Verification of DO2 Type High Frequency Voltage Calibration Device Using DO40 Type High Frequency Standard Voltmeter
JJG 502-1987 Verification Regulation of Frequency Synthesizer
JJG 308-1983 Verification Regulation of SHF Electronic Millivoitmeter
JJG(电子) 01005-1991 Verification Regulations for XW-7 Microwave Frequency Stabilizer
JJG 637-1990 Verification Regulation of High Frequency Standard Vibrator
JJG(电子) 05007-1987 HP4192A Low Frequency Impedance Analyzer Trial Verification Regulations
JJG(电子) 07007-1989 141T/8554B/8552B Spectrum Analyzer Verification Regulations
JJG 434-1986 TV Colour Subeanier Frequency Comparator
JJG(航天) 10-1985 2112 Verification Regulations for Spectrum Analyzers
JJG 2007-2007 Verification Scheme of Time and Frequency Measuring Instruments
JJG(电子) 01001-1987 SCP-2 type time-domain frequency detector trial test procedure
JJG(电子) 07005-1988 QF4021 High Frequency Spectrum Analyzer Trial Verification Regulations
JJG 359-1984 Verification Regulation of 300 MHz Frequency Response Test Set
JJG 319-1983 Verification Regulation of VHF Microvolt Meter
JJG 492-1987 Cesium Beam Frequency Standard
JJG 603-2006 Verification Regulation of Frequency Meters
JJG(电子) 01006-1991 Calibration Regulations for PO20 Frequency Calibration Timing Receiver
JJG 777-1992 Selective Level Meter
JJG 2011-1987 RF Impedance Measuring Instruments
JJG(电子) 15020-1991 XT-22 Comb Frequency Generator Verification Regulations
JJG 720-1991 Wide Band Frequency Stability Measurement Set in Time Domain
JJG(邮电) 018-1993 Verification Regulation of IF Group Delay/Amplitude Frequency Response Transit Network
JJG(电子) 11009-1989 SPM-19 Intelligent Frequency Selection Level Meter Verification Regulations
JJG 607-2003 Verification Regulation of Audio-frequency Signal Generator
JJG 181-2005 Verification Regulation of Quartz Crystal Frequency Standards
JJG 279-1981 Verification Regulation of HE Microvoltmeter Type WFG-1B
JJG 1004-2005 Verification Regulation of Hydrogen Atomic Frequency Standards
JJG 121-1990 Verification Regulation of Video Noise Meter
JJG 308-2013 RF Voltmeters
JJG(电子) 15011-1989 Verification Regulations for HP8620C/HP86209A Sweep Frequency Signal Generator
JJG(邮电) 017-1992 Verification Regulation of IF Noise and Interference Test Set
JJG(邮电) 012-1992 Verification Regulation of Selective Level Meter
JJG(电子) 12009-1987 MSG-2161 FM Stereo/FM-AM Signal Generator Trial Verification Regulations
JJG 501-2000 Spectrum Analyzer
JJG 841-2012 Microwave Frequency Counters
JJG(邮电) 036-1997 Verification Regulations for Radio Frequency Communication Tester
JJG(电子) 07002-1988 MSW-721E Intermediate Frequency Scanner Trial Verification Regulations
JJG 509-1987 Verification Regulation of Digit Industrial Frequency Meter Model PP 27
JJG 353-1994 Verification Regulation of Lamb Dip Stabilized He-Ne Laser
JJG(电子) 05014-1988 HP4274A, HP4275A Multi-frequency LCR Meter Trial Verification Regulations
JJG 449-2014 Octave-Band and Fractional-Octave-Band Filters
JJG 782-1992 LF Eleceronic Volt Meter
JJG 503-1987 Model PB-2 Decimal Frequency Meter
JJG 292-1996 Verification Regulation of Rubidium Gas Cell Frequency Standards
JJG 442-1986 UHF Television Sweep Scope
JJG 841-1993 Microwave Frequency Couters
JJG 64-1990 Verification Regulation of Super-Low Frequency Signal Generator
JJG(电子) 07003-1988 MSW-7124 FM AM Frequency Sweeper Trial Verification Regulations
JJG 449-2001 Verification Regulation of Octave-Band and One-Third-Octave Band Filters
JJG 796-1992 R F S W R Bridge
JJG(航天) 8-1985 Verification Regulations for Beat Frequency Oscillators
JJG 292-2009 Verification regulation of rubidium atomic frequency standards
JJG(电子) 12005-1987 400lA type audio sweep signal generator trial verification regulations
JJG(电子) 11003-1988 18.6MHz and above frequency band frequency selection level meter trial verification regulations
JJG 545-1988 Verification Regulation of Frequency Comparators
JJG(电子) 07008-1991 Verification Regulations for SWOF Video Swept Spectrum Analyzer
JJG 492-2009 Cesium Atomic Frequency Standards
JJG(电子) 12023-1989 MDA-453 Type FM Linear Demodulator Verification Rules
JJG 994-2004 Verification Regulation of Digital Audio Generators
JJG(电子) 09002-1987 Trial Verification Regulations for WIL TRON6409 RF Analyzer
JJG(电子) 01007-1995 AD5120A RF Group Delay Standard Verification Regulations
JJG(邮电) 027-1994 Verification Regulation of Wide-band Level Meter
JJG(铁道) 125-1991 Frequency selection (broadband) level meter verification regulations

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB/J 5859-2006 Verification regulation for broadband spectrum analyzer
GJB 6452-2008 Specification for high-repetition-rate laser jammer

Professional Standard - Electron

SJ 20944-2005 General requirements for built-in hop anti-jamming module of ultrashort waves
SJ 2487-1984 Methods of measurement for VHF TV, FM broadcast receiving antenna
SJ 1880-1981 Methods of measurement for frequency drift of gas laser devices
SJ 20271-1993 Verification regulation of model HP8350B/HP83525B sweep generators
SJ/T 10370.2-1993 Measuring methods on TV channel signal generator
SJ 2935-1988 Frequency channel preselectors
SJ 2966-1988 Blank detail specification for piezoelectric ceramic discriminators for use in electronic equipment - Piezoelectric ceramic discriminators for IF sound discriminator circuit of TV receive
SJ/Z 9063-1987 Commercial audio equipment
SJ/T 10240-1991 Low frequency signal generator for Type XD1
SJ 20261-1993 Verification regulation of model SWOB5 polyskop
SJ/T 10331-1992 Technical requirements and measure methods on converter of audioand video signal for TV broadcast receiver
SJ 2967-1988 Detail specification for piezoelectric ceramic discriminators for use in electronic equipement--Piezoelectric ceramic discriminators for Type JT6.5MD Assessment level E
SJ 20259-1993 Verification regulation of model 3195 PIF marker synthesizer
SJ 973-1985 Radio-frequency connectors, Type L27
SJ 20250-1993 Verification reguation of model HP8590A RF spectrum analyzers
SJ 20922-2005 General specification for military frequency hopped HF modem
SJ 20801-2001 General specification for instantaneous frequency measurement receiver
SJ/T 10234-1991 Spectrum analyzer for QF4031
SJ 51065/5-1997 Detail specification for Type GTP008A radio frequency coaxial isolators
SJ/T 10112-1991 High frequency receivers for Type SD005A
SJ 381-1973 Measurement of frequency temperature coefficient of reflex klystrons
SJ/T 11180-1998 Basic methods of measurement of digital audio characteristics of audio and audiovisual equipment
SJ 20626-1997 General specification for the portable short-wave receivers with frequency measurement
SJ/T 10163-1991 Critical frequency measurement methods for electronic equipment
SJ 20566-1996 Methods of measurement of electrical performance for LF/VLF transmiters
SJ 20246-1993 Verification regulation of HF digital phase meter
SJ 20914-2004 General specification for spectrum analyzer
SJ 20480.1-1996 Detail specification for frequency quick conversion magnetrons of Type CKM-198 series
SJ/T 10262-1991 Detail specification for electronic components--Semiconductor integrated circuits--Type CD7640GP FM/AM IF amplifier
SJ/T 10247.6-1992 Audio electrical power load control system - Generic specification for audio receivers
SJ 21076-2016 Measuring methods for microwave frequency synthesizer
SJ 20507-1995 Generic specification for manpack ultra-short wave FM radio
SJ/T 11117-1997 Graphical symbols for use on equipment in audio video and audio-visual system
SJ 20227-1993 Verification regulation of model QF 3370 frequency counter
SJ/T 10110-1991 Programmable scanning frequency signal generators for Type QH1350
SJ 2965-1988 Sectional specification for piezoelectric ceramic discriminators for use in electronic equipment - Piezoelectric ceramic discriminators for IF sound discriminator circuit of TV receivers
SJ/T 10105-1991 Level meter for frequency - Selection for Type YX5021
SJ/Z 1850-1981 Design for medium and low-duty audio transformers
SJ 20953-2005 General specification for duplex frequency hopping radio
SJ/T 10160-1991 Low - Frequency shock isolators for Type GFD
SJ 20251-1993 Verification reguation of model YH4020/YH4021/YH4022 spectrum analyzers
SJ 2663-1986 Fundamental parameters for UHF operation of black/white television broadcast receivers
SJ 20028-1992 General specification for VHF/FM vehicle radio
SJ/T 9571.3-1995 Quality grading standard for piezoelectric ceramic discriminators for SIF discriminator circuit of TV receivers
SJ/T 10912-1996 Video frequency connectors,Type SL16
SJ/T 10606-1994 Generic specification for video spectrum analyzers
SJ/T 10247.4-1992 Audio electrical power load control system - Generic specification for audio transmitters
SJ 1405-1978 Detail specification for silicon NPN high-frequency high power transistors,Type 3DA1

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

GB/T 11461-2013 General Specification for Spectrum Analyzer
GB/T 12180-1990 Test methods for general purpose low frequency signal generators
GB/T 3451-1982 Standard tuning frequency
GB/T 13184-1991 Measuring methods for sweep signal generators
GB/T 15541-1995 Mehtods of measurement for transmitting frequency
GB 4877-1985 Intermediate frequencies of television
GB/T 3926-1983 Rated voltage for medium frequency equipment
GB/T 28433-2012 Technical requirements for single frequency network of digital terrestrial television broadcasting
GB/T 26775-2011 General technical specification for audio video system on board
GB/T 21407-2008 Doubly fed variable speed constant frequency wind turbine
GB/T 12572-1990 Frequency tolerance for transmitter
GB/T 28432-2012 Planning criteria for single frequency networks of digital terrestrial television broadcasting
GB/T 12114-1989 Generic specification of high frequency signal generators
GB/T 15151.2-1994 Measuring methods for frequency counters
GB/T 6163-1985 Methods of measurement on radio receivers for FM broadcast transmissions
GB/T 17576-2011 Compact disc digital audio system
GB/T 14277-2013 General Specification for Audio Combination Equipment
GB/T 12269-1990 Generic specification for radio-frequency cables
GB/T 17737.2-2000 Radio-frequency cables - Part 2: Sectional specification for semi-rigid radio-frequency and coaxial cables with polytetrafluoroethylene(PTFE)insulation
GB/T 14856-1993 calculation methods of coast radiotelephone station operating in high frequency bands
GB/T 15522-1995 FM audio recording of helical - Scan video tape cassette system using 12.65mm magnetic tape on type VHS
GB/T 14277-1993 General specification for audio combination equipment
GB/T 15937-1995 The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the VHF/UHF bands
GB/T 13183-1991 General specification for sweep signal generators
GB/T 19954.2-2005 Electromagnetic compatibility-Product family standard for audio,video,audio-visual and entertainment lighting control apparatus for professional use Part 2.Immunity
GB/T 11313.37-2015 Radio-frequency connectors―Part 37:Sectional specification for STWX8 series R.F. coaxial connectors
GB/T 26252-2010 Frequency planning criteria for digital terrestrial television broadcasting in the VHF/UHF bands
GB/T 19954.1-2016 Electromagnetic compatibility—Product famiy standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use—Part 1: Emissoin
GB/T 17626.28-2006 Electromagnetic compatibility (EMC) - Testing and measurement techniques - Variation of power frequency immunity test
GB/T 1980-1996 Standard frequencies
GB/T 21407-2015 Doubly fed variable speed constant frequency wind turbine
GB/T 11443.2-1989 Domestic satellite communication earth stations--General technical requirements--Part 2: Frequency division multiplex/frequency modulation telephony carriers
GB/T 9002-1996 Vocabulary for audio, video and audiovisual equipment and systems
GB/T 7347-1987 standard spectrum of Chinese speech
GB/T 11299.8-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 2: Measurements for sub-systems; Section Four:UP-and-down converters
GB/T 11462-1989 Test methods of spectrum analyzers
GB/T 14220-1993 - Visual video and television equipment and systems - Audio cassette systems
GB/T 3659-1983 Methods of measurement of television video channel
GB/T 24689.2-2009 Equipment for crop protection—Frequency oscillation pest-killing light trap
GB/T 11461-1989 Generic specification of spectrum analzers
GB/T 2900.76-2008 Electrotechnical terminology - Recording and reproduction of audio and video
GB/T 7348-1987 standard spectrum of whispered Chinese speech
GB/T 15151.1-1994 Generic specification for frequency counters
GB/T 12499-1990 Measuring methods for rubidium frequency standards
GB/T 12498-2012 Generic Specification of Rubidium Frequency Standard
GB/T 22334-2008 Radio-frequency identification of animals - Technical concept
GB/T 19954.2-2016 Electromagnetic compatibility - Product standard for lighting, control equipment for audio, video, audio and video and entertainment applications for professional use - Part 2: Immunity
GB/T 15294-1994 Minimum performance requirements on high fidelity FM radio tuners
GB/T 17786-1999 Frequency allocation of CATV
GB/T 15381-1994 Electrical and audio requirements for the conference systems
GB/T 1409-1988 Methods for the determination of the permittivity and dielectric dissipation factor of solid electrical insulating materials at power,audio and radio frequencies including metre wavelengths
GB/T 3241-2010 Electroacoustics - Octave-band and fractional-octave-band filters
GB/T 12498-1990 Generic specification of rubidium frequency standards
GB 50464-2008 Code for technical of video display system engineering
GB/T 12115-1989 Measuring methods for high frequency signal generators
GB/T 1980-2005 Standard frequencues
GB/T 14197-2012 Preferred matching values for the interconnections of audio,video and audiovisual systems
GB/T 51315-2018 Technical standard for RFID application engineering
GB/T 14114-1993 principles of measuring methods of V/F and F/V converters for semiconductor integrated circuits
GB/T 4311-2000 Technical specifications for FM sound broadcasting at VHF
GB/T 3241-1998 Octave-band and fractional-octave-band filters
GB 15207-1994 Video motion detector
GB/T 9001-1988 Method of measurement on audio amplifier
GB/T 6163-2011 Methods of measurement on radio receivers for FM broadcast transmissions
GB/T 15151-2012 General specification of frequency counter
GB 8898-2011 Audio,video and similar electronic apparatus—Safety requirements
GB/T 11313.10-2012 Radio-frequency connectors—Part 10:Sectional specification-SMB series R.F. coaxial connectors
GB/T 15888-1995 R.F.coaxial connectors, type UHF
GB/T 3320.1-1987 Frequency response test record
GB/T 20090.10-2013 Information technology―Advanced coding of audio and video―Part 10:Mobile speech and audio
GB/T 12720-1991 Measurement of power-frequency electric fields
GB/T 6449-1986 Methods of measurement on time delay and frequency shift equipment
GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable
GB 20815-2006 Digital video record equipment of video surveillance system in security & protection systems
GB/T 3240-1982 Preferred frequencies for the acoustical measurement
GB 3240-1982 Preferred frequencies for the acoustical measurement

国家广播电影电视总局

GY/T 285-2014 Methods for measuring audio characteristics of digital audio equipment

Professional Standard - Education

JY/T 0363-2002 Video presenter

Association Standards-Automatic Identification Manufacture Association of China

AIMC 0006-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 860～960 MHz
AIMC 0005-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 2.45 GHz
AIMC 0007-2006 General Technical specifications for Radio Frequency Identification Readers. Frequency at 433MHz
AIMC 0002-2006 General technical specifications for passive tag
AIMC 0004-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency at 13.56 MHz
AIMC 0003-2006 General Technical Specifications for Radio Frequency Identification Readers. Frequency lower than 135kHz

Professional Standard - Electricity

DL/T 315-2010 General specifications for power system under-frequency load-shedding and separation equipment
DL/T 2016-2019 General specification for power system overfrequency generator tripping and separation equipment
DL/T 525-1993 Technical conditions for digital frequency relay and load reduction device through automatic low frequency
DL/T 781-2001 High frequency switching converter module in power system

Professional Standard - Radio Television Film

GY/T 193-2003 Synchronization of digital audio system
GY/T 390-2023 Technical specification for emergency broadcasting in FM
GY/T 224-2007 Specifications and methods of measurement for digital video cable and digital audio cable
GY/T 75-1989 Broadcast audio channels Ratings for technical indices of operation
GY/T 379-2023 The directive rules of audio loudness monitoring for digital television program
GY/T 398.1-2024 Video mezzanine coding―Part 1：Scalable ultra high definition video coding
GY/T 237-2008 Frequency planning criteria for digital terrestrial television broadcasting in the VHF/UHF bands
GY/T 196-2003 Technical specifications for coverage networks of FM sound broadcasting

工业和信息化部

YD/T 3722-2020 Radio requirements and test methods for 230MHz broadband wireless data transmission system
YD/T 3864-2021 RF test methods for 1447MHz~1467 MHz Band broadband digital trunked network system base station
YD/T 3904-2021 Technical requirements for playing status reporting interface between video application and video sever

Professional Standard - Traffic

JT/T 679-2007 Technical requirement of very high frequency (VHF) coast station
JT/T 624-2005 Technical requirements for the maintenance and repair of MF/VHF DSC system for coast stations
JT/T 830-2012 Video Optical line terminals
JT/T 897-2014 Video matrix

Group Standards of the People's Republic of China

T/GDCKCJH 021-2020 Determination methods for main parameters of single-frequency fiber laser
T/CIE 081-2020 Evaluation of Industrial High Reliability Integrated Circuits Part 16: High Frequency Radio Frequency Identification
T/CADPA 16-2021 Process of game audio design and development
T/SUCA 017.1-2022 Internet ultra-high-definition video playback software Part 1: Video quality classification specification
T/ZZB 0352-2018 Household floor type inverter energy saving comfort air conditioners
T/UWA 012.3-2022 "Hundred cities and thousands of screens" ultra-high-definition video and audio transmission system video and audio coding: video
T/UWA 012.2-2022 "Hundred cities and thousands of screens" ultra-high-definition video and audio transmission system video and audio coding: system
T/GDWCA 0056-2019 Category 8 cables for digital communications (transmission characteristics up to 2GHz)
T/ZZB 0502-2018 Video laryngoscopes for tracheal intubation
T/GDIOT 004-2022 RF Requirements and Test Guide for Narrow-Band Low-Power Gateway of Internet of Things on 470 MHz - 510 MHz
T/CIE 080-2020 Evaluation of industrial high-reliability integrated circuits—Part 15:UHF-RFID

Anhui Provincial Standard of the People's Republic of China

DB34/T 3963-2021 Technical specification for social video resource access of public security video image information system
DB34/T 3962-2021 "Bright kitchen and bright stove" video kitchen construction specifications

Military Standard of the People's Republic of China-General Armament Department

GJB 6782-2009 Verification regulation for time domain short-term frequency stability
GJB 6592-2008 Interface requirements for VHF duplex frequency hopping radio
GJB 7373-2011 General specification for military passive radio frequency identification tag
GJB 2928-1997 General Specification for Tactical Ultrashort Wave Frequency Hopping Radios
GJB 7295-2011 Requirements for the general interface of military satellite communication frequency hopping module
GJB 6077-2007 General specincation for MF radar for middle atmosphere-sounding
GJB 5021A-2011 General specification for high-reliability radio frequency coaxial connectors
GJB 5959-2007 General speciflcation for the frequency management terminal of battlefield communication frequency management system
GJB 973B-2021 General specification for flexible and semi-rigid radio frequency cables
GJB 318A-1997 General Specification for Tactical FM Radios
GJB 238A-1997 Tactical FM Radio Measurement Methods
GJB 6086-2007 General specification for digital PRI tracker in radar EW
GJB 5958-2007 General specifIcation for the interrupting frequency monitor of battleneld communication frequency management system
GJB 5847-2006 General specification for radio-frequency and microwave solid-state amplifiers
GJB 7052-2010 Methods of measure the frequency and spectrum characteristics of short high power microwave pulse
GJB 8169-2014 Interference calculation and judgment-rule for shortwave frequency assignment
GJB 3080A-2009 General specifications for microwave downconverter
GJB 681A-2002 General Specification for Radio Frequency Coaxial Connectors
GJB 9387-2018 Microwave mixer test methods
GJB 6063-2007 General specification for frequency converter of aircraft

Professional Standard - Railway

TB/T 1692-1993 Railway Telephone Switching Network - Multi-frequency Coding Register Signalling
TB/T 2999.3-2005 ZPR·Y2-18 Type Frequency-shift Automatic blocking system
TB/T 2999.1-2000 ZP·Y1-18 Type Frequency Shift Automatic Block Equipment
TB/T 3029-2002 Type ZP・W 1-18 Naked Frequency Shift Automatic Block Equipment
TB/T 1865-1987 T·C hump audio length measuring device
TB/T 2118-1990 Signaling Equipments for Railway Frequency-shift Locomotive
TB/T 3024-2001 ZP · Y-8 Frequency Shift Automatic Block Device

国家药监局

YY 0778-2018 Radio frequency ablation catheter
YY 0042-2018 High-frequency jet ventilator
YY 0777-2023 Radio frequency hyperthermia equipment

Professional Standard - Aviation

HB 6-25-1976 High frequency cable airtight guide sleeve
HB 7474.1-1996 General specification for aircraft strobe anti-collision light systems for helicopters
HB 6-25-1983 Airtight guide bushing for high frequency cable
HB 7474-1996 General Specification for Aircraft Stroboscopic Anticollision Light System

Guangdong Provincial Standard of the People's Republic of China

DB44/T 1178-2013 network video server
DB44/T 1905-2016 UHF radio frequency identification (RFID) chip test method

National Metrological Technical Specifications of the People's Republic of China

JJF 1180-2007 Glossary and Definition of Time and Frequency Metrology
JJF 1401-2013 Calibration Specification for Vibrating Wire Frequency Readouts
JJF 1467-2014 Calibration Specification for Digital Audio Sources
JJF 1206-2008 Calibration Specification for the Remote Calibration for Frequency Standard and Digital Clock
JJF 1262-1990 O.T.N. of the Secondary Standard for Middle frequency Vibration
JJF 1396-2013 Calibration Specification for Spectrum Analyzer
JJF 1261-1990 O.T.N.of the Primary Standard for the mid-frequency Vibration
JJF 1200-2008 Calibration Specification for Audio-frequency Power Amplifiers

Henan Provincial Standard of the People's Republic of China

DB41/T 759.3-2012 Video Surveillance Networking System Technical Specification Part 3 Video and Audio Codec

Professional Standard - Machinery

JB/T 11639-2013 High-frequency High-voltage Rectifier Equipment for Precipitator
JB/T 8143.1-1995 Shipboard radio-frequency cables Radio-frequency coaxial cables with polyethelene insulated copper conductor,rated characteristic impedance 50Ω
JB/T 20052-2005 Frequency conversion winnower
JB/T 6320-1992 Frequency Measurement Method for Moving Blade of Steam Turbine
JB/T 11259-2011 Non-destructive testing instrument —Multifrequency eddy current testing equipment
JB/T 5488-1991 High-frequency Fatigue Tester
JB/T 5610-1991 Dual-frequency Laser Interferometer
JB/T 9284-1999 Frequency meters

Professional Standard-Ships

CB 1129-1985 Test Method for Dynamic Characteristics of Pressure Frequency and Impedance Frequency for Isolated Vapor Pressure Type Accumulator
CB/T 3833-2000 Connecting technology for RF cable and high frequency connector
CB 511-1986 Type ML1 RF Cable Connector

Professional Standard - Petroleum

SY/T 6688-2007 Technical specifications for time - Frequency electromagnetic method
SY/T 6841-2023 Electrical prospecting of time-frenquency electromagnetic instrument
SY/T 6071-1994 Radio Frequency Analysers for Water-cut of Crude Oil
SY/T 6688-2013 Technical Specification for Time-frequency Electromagnetic Method

Professional Standard - Post and Telecommunication

YD/T 1058-2000 High Frequency Switching Power Supply System for Telecommunications
XT 009-1995 Technical requirements for frequency-sweeping cordless telephones
YD/T 649-1994 Quality grading criteria of 620kHz selection level meter
YD/T 553-1992 Specification for Group Translating Equipment Used on Carrier Systems
YD/T 554-1992 Specification for Channel Translating Equipment Used on Carrier Systems

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 25724-2017 Technical specifications for surveillance video and audio coding for public security
GB/T 35002-2018 Microwave circuits—Measuring methods for frequency source

Professional Standard - Coal

MT 1099-2009 Mine VVVF device
MT 471-1996 General Technical Specifications for Frequency Sounding Instrument

Professional Standard - Aerospace

QJ 2492-1993 General technical conditions for microwave frequency doubler
QJ 2715-1995 Test Method for Ultra-low Frequency Signal
QJ 2941-1997 Test Method for Medium-low Frequency Phase
QJ 829-1984 Power converter voltage, current and frequency series
QJ 2455-1993 PO7B/SS3501 frequency standard comparison system test method
QJ 2349-1992 Test Method for Microwave Mixer

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 39274-2020 Test specifications for video and audio encoding and decoding in video surveillance system for public security

Professional Standard - Public Safety Standards

GA/T 1399.4-2023 Public Security Video Image Analysis System Part 4: Technical Requirements for Video Image Retrieval
GA/T 1399.2-2017 Video and image analysis system for public security—Part 2: Technical specifications for analysis and description of video and image content
GA/T 1660-2019 Specifications for construction of video crime investigative laboratory

国家能源局

NB/T 42120-2017 Calibration specification of low frequency vibration sensor

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 3415-2018 Test method for minimum activation power of UHF radio frequency identification tags

Fujian Provincial Standard of the People's Republic of China

DB35/T 1696-2017 General technical requirements for low frequency EOC devices

Professional Standard - Medicine

YY 0776-2010 Radio frequency ablation instrument for liver
YY 0897-2013 Radio-frequency ablation equipment for ear,nose and throat
YY 0860-2011 Radio frequency ablation instrument for cardiac application

Professional Standard - Geology

DZ 0020.3-1991 General technical conditions for intensification-polarization instrument - intensification-polarization instrument
DZ 0021-1991 General technical requirements for very low frequency electromagnetic instruments

Zhejiang Provincial Standard of the People's Republic of China

DB33/T 2114.2-2022 Comprehensive Traffic Video Exchange Technical Specification Part 2: Video Exchange Protocol

Beijing Provincial Standard of the People's Republic of China

DB11/T 2017-2022 Radio frequency electromagnetic radiation vehicle inspection technical specification

Jilin Provincial Standard of the People's Republic of China

DB22/T 2068-2014 Fire video surveillance system software technical requirements

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1378-2015 Guidelines for Construction of Video Surveillance System for Fire Protection Supervision

国家广播电视总局

GY/T 318-2018 Implementation guidelines for single frequency network system of digital terrestrial television broadcasting

SCC

MIL MIL-R-28887-1984 RADIO GROUP, VLF, LF, MF, AND HF

International Telecommunication Union (ITU)

ITU-R BS.560-4-1997 Radio-Frequency Protection Ratios in LF MF and HF Broadcasting
ITU-R BS.560-4 SPANISH-1997 Radio-frequency protection ratios in LF, MF and HF broadcasting

German Institute for Standardization

DIN EN 61260:2003 Electroacoustics - Octave-band and fractional-octave-band filters (IEC 61260:1995 + A1:2001); German version EN 61260:1995 + A1:2001