I.S. EN 62431:2008
Current
The latest, up-to-date edition.
REFLECTIVITY OF ELECTROMAGNETIC WAVE ABSORBERS IN MILLIMETRE WAVE FREQUENCY - MEASUREMENT METHODS
Hardcopy , PDF
English
01-01-2008
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and acronyms
4 Specimen
5 Specimen holder
6 Measurement equipment
7 Measurement condition
8 Calibration of measurement system and measurement
conditions
9 Horn antenna method
10 Dielectric lens antenna method - focused beam method
11 Dielectric lens antenna method - parallel beam method
12 Test report
Annex A (informative) - Reflection and scattering from metal
plate - Horn antenna method
Annex B (informative) - Reflectivity of reference specimens
using horn antenna method
Annex C (informative) - Specifications of commercially available
antennas
Annex D (normative) - Calibration using VNA
Annex E (informative) - Dynamic range and measurement errors
Annex F (informative) - Enlargement of dynamic range - Calibration
by isolation
Annex G (informative) - Relative permittivity of styrofoam and
foamed polyethylene based on foam ratio
Annex H (informative) - Calculation of Fraunhofer region - Horn
antenna method
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
Describes the measurement methods for the reflectivity of electromagnetic wave absorbers (EMA) for the normal incident, oblique incident and each polarized wave in the millimetre-wave range.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
63
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 62431:2008 | Identical |
| IEC 62431:2008 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
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