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eLibrary > DD IEC/PAS 62431:2005 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency >

DD IEC/PAS 62431:2005 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency, 2005

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DD IEC/PAS 62431:2005 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency, 2005

iecpas62431{ed1.0}en.pdf [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and acronyms [Go to Page]
3.1 Terms and definitions
3.2 Acronyms
4 Specimen [Go to Page]
4.1 Specimen specification
4.2 Reference metal plate
4.3 Reference specimen for calibration
5 Specimen holder
6 Measurement equipment [Go to Page]
6.1 Network analyser
6.2 Antenna
6.3 Amplifier
7 Measurement condition [Go to Page]
7.1 Temperature and environment
7.2 Calibration temperature of measurement equipment
7.3 Warming-up of measurement equipments
7.4 Electromagnetic environment
7.5 Calibration of measurement equipment
7.6 Cable calibration
8 Calibration of measurement system and measurement conditions [Go to Page]
8.1 Calibration of measurement system
8.2 Measurement conditions
9 Horn-antenna method [Go to Page]
9.1 Measurement system
9.2 Measurement conditions
9.3 Measurement procedures
10 Dielectric lens antenna method – Focused beam type [Go to Page]
10.1 Outline
10.2 Measurement system
10.3 Measurement procedures
11 Dielectric lens method – Parallel beam method [Go to Page]
11.1 Principle
11.2 Measurement system
11.3 Specimen
11.4 Measurement procedures
12 Test report [Go to Page]
12.1 Content
12.2 Specimen
12.3 Measurement data
12.4 List of test equipment
12.5 Unit
12.6 Measurement method
12.7 Measurement condition
Annex A (informative) Reflection and scattering from metal plate – Horn antenna method
Annex B (informative) Reflectivity of reference specimens using the horn-antenna method
Annex C (informative) Specifications of commercially available antennas
Annex D (informative) Calibration using network analyzer
Annex E (informative) Dynamic range and measurement errors
Annex F (informative) Enlargement of dynamic range – Calibration by isolation
Annex G (informative) Example of method of calculation of directional gain of horn antenna
Annex H (informative) Relative permittivity of Styrofoam and foamed polyethylene based on foam ratio
Annex I (informative) Calculation of Fraunhofer region – Horn antenna method
Annex J (informative) Electromagnetic field distribution near the focus
Annex K (informative) Time-domain and gating function of network analyser
Annex L (informative) Specimen holder and antenna positioner
Annex M (informative) Example of design of dielectric lens
iecpas62431{ed1.0}en.pdf [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and acronyms [Go to Page]
3.1 Terms and definitions
3.2 Acronyms
4 Specimen [Go to Page]
4.1 Specimen specification
4.2 Reference metal plate
4.3 Reference specimen for calibration
5 Specimen holder
6 Measurement equipment [Go to Page]
6.1 Network analyser
6.2 Antenna
6.3 Amplifier
7 Measurement condition [Go to Page]
7.1 Temperature and environment
7.2 Calibration temperature of measurement equipment
7.3 Warming-up of measurement equipments
7.4 Electromagnetic environment
7.5 Calibration of measurement equipment
7.6 Cable calibration
8 Calibration of measurement system and measurement conditions [Go to Page]
8.1 Calibration of measurement system
8.2 Measurement conditions
9 Horn-antenna method [Go to Page]
9.1 Measurement system
9.2 Measurement conditions
9.3 Measurement procedures
10 Dielectric lens antenna method – Focused beam type [Go to Page]
10.1 Outline
10.2 Measurement system
10.3 Measurement procedures
11 Dielectric lens method – Parallel beam method [Go to Page]
11.1 Principle
11.2 Measurement system
11.3 Specimen
11.4 Measurement procedures
12 Test report [Go to Page]
12.1 Content
12.2 Specimen
12.3 Measurement data
12.4 List of test equipment
12.5 Unit
12.6 Measurement method
12.7 Measurement condition
Annex A (informative) Reflection and scattering from metal plate – Horn antenna method
Annex B (informative) Reflectivity of reference specimens using the horn-antenna method
Annex C (informative) Specifications of commercially available antennas
Annex D (informative) Calibration using network analyzer
Annex E (informative) Dynamic range and measurement errors
Annex F (informative) Enlargement of dynamic range – Calibration by isolation
Annex G (informative) Example of method of calculation of directional gain of horn antenna
Annex H (informative) Relative permittivity of Styrofoam and foamed polyethylene based on foam ratio
Annex I (informative) Calculation of Fraunhofer region – Horn antenna method
Annex J (informative) Electromagnetic field distribution near the focus
Annex K (informative) Time-domain and gating function of network analyser
Annex L (informative) Specimen holder and antenna positioner
Annex M (informative) Example of design of dielectric lens [Go to Page]

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DD IEC/PAS 62431:2005 Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency, 2005

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