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METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE TRANSMISSION SYSTEMS - MEASUREMENTS ON TERRESTRIAL RADIO RELAY SYSTEMS - ANTENNA
International Electrotechnical Committee
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Availability date: 11/06/2021
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National foreword
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Methods of measurement
4.1 Test-range considerations
4.2 Antenna gain
4.3 Radiation patterns
4.4 Cross-polarization discrimination
4.5 Return loss
4.6 Multi-port antenna isolation
5. Bibliography
Figures
1. Measurement of antenna gain by comparison with a
gain-reference antenna
2. Measurement of antenna gain by the direct method
3. Examples of presentation of results on antenna-gain
measurement
4. Example of arrangement for the measurement of
radiation pattern
5. Example of radiation patterns and their envelope
Annex ZA (normative) Other international publications
quoted in this standard with the reference of the
relevant European publications
Gives measurement methods of the electrical characteristics of antennas used in terrestrial radio-relay systems at frequencies above 1 GHz. The methods described are suitable for both line-of-sight and tropospheric scatter radio-relay systems using linear polarization.
Published | |
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Pages | |
ISBN | |
Committee | SC 12E |