GB/T 35679-2017 English PDF

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GB/T 35679-2017: Measuring method for electromagnetic parameters of solid materials at microwave frequencies using waveguide
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35679-2017	519	Add to Cart	5 days	Measuring method for electromagnetic parameters of solid materials at microwave frequencies using waveguide	Valid

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Basic data

Standard ID: GB/T 35679-2017 (GB/T35679-2017)
Description (Translated English): Measuring method for electromagnetic parameters of solid materials at microwave frequencies using waveguide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.01
Word Count Estimation: 26,264
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35679-2017: Measuring method for electromagnetic parameters of solid materials at microwave frequencies using waveguide

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Measuring method for electromagnetic parameters of solid materials at microwave frequencies using waveguide ICS 29.035.01 K15 National Standards of People's Republic of China Solid material microwave frequency band using waveguide device Electromagnetic parameters measurement method 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General Requirements 2 4.1 Environmental conditions 2 4.2 measuring equipment 2 5 S parameter measurement method 3 5.1 Principle 3 5.2 Sample Preparation 3 5.3 vector network analyzer calibration 4 5.4 Sample Installation 5 5.5 Reference sample electromagnetic parameter measurement 6 5.6 measured sample electromagnetic parameters measured 6 6 electromagnetic parameters of the calculation 6 6.1 Transmission reflection calculation method 6 6.2 Simplified transmission reflection calculation method 6 6.3 Iterated four-parameter calculation method 6 6.4 iterative single parameter calculation method 7 6.5 Comparison of electromagnetic parameters calculation method 7 Appendix A (Normative) Waveguide, waveguide coaxial converter and sample size 8 Appendix B (Normative) electromagnetic parameters of the calculation steps 11 Appendix C (Normative) Frequency-independent air gap correction method based on series capacitor model 18 Appendix D (Informative) Sample Limitations 19 Appendix E (Informative) Sources of Uncertainty in Measurement of Electromagnetic Parameters 20 References 21

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Electrical Equipment Industry Association. This standard by the National Electromagnetic shielding materials Standardization Technical Committee (SAC/TC323) centralized. This standard drafting unit. China Aerospace Science and Industry Group II 203, Shanghai Institute of Measurement and Testing Technology, China Electronics Technology Set Group forty-first Institute, China Electronics Technology Group Corporation twenty-sixth Institute, Shanghai Jiaotong University. The main drafters of this standard. Wu Hongsen, Wang Songyu, Lu Fumin, Cai Qing, Guo Rongbin, Han Yufeng, Huang Jian collar, left Jiansheng, Sang Yu, Wang Yahai, Lei Lai, Chen Chao Chan, Zhao Rui, Shen Tao, Liu Zhao, Jin Ronghong, Corning, Yuan Yanxing, Fu Zihao, Huang Chengzu, Yan Xuhong, Zhu Jiangang, Lei Lihua, Yang Song, Geng Junping. Solid material microwave frequency band using waveguide device Electromagnetic parameters measurement method

1 Scope

This standard specifies the use of waveguide devices in the 100MHz ~ 40GHz frequency range isotropic non-rotating magnetic solid material complex phase Dielectric constant and complex relative permeability method. This standard applies to the use of waveguide devices in the 100MHz ~ 40GHz frequency range of isotropic non-rotating magnetic solid material complex relative Dielectric constant and complex relative permeability measurements. For non-magnetic solid materials, this standard can be individually measured solid phase complex relative dielectric constant.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 4365 Electrotechnical terminology Electromagnetic compatibility Electrotechnical terminology - Magnetic materials and components GB/T 9637-2001 Waveguide flanges Part 2. Specification for plain rectangular waveguide flanges Hollow metal waveguides - Part 2. Relevant specifications for ordinary rectangular waveguides

3 Terms and definitions

GB/T 4365 and GB/T 9637-2001 define the following terms and definitions apply to this document. 3.1 Gyromagneticeffect After the magnetization of the material or medium under the action of the static magnetic field is perturbed, the basic magnetic dipole passes around the direction of the strength of the static magnetic field The effect of damping precession, relaxation back to equilibrium. [GB/T 9637-2001, Definition 2.5, 221-05-01] 3.2 Non-gyromagnetic solid material non-gyromagneticsolidmaterials Solid materials that do not have a gyromagnetic effect. 3.3 Complex relative permittivity complexrelativepermittivity Complex relative permittivity is expressed as. εr = ε'r-jεr "= ε0E (1) In the formula. εr --- complex relative permittivity; ε'r --- real relative dielectric constant, the real part of complex relative permittivity; ......

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