CEI EN 62431 : 2010

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.