METHODS OF MEASUREMENT FOR RADIO EQUIPMENT USED IN SATELLITE EARTH STATIONS - METHODS OF MEASUREMENT FOR COMBINATIONS OF SUB-SYSTEMS - MEASUREMENT OF THE FIGURE OF MERIT (G/T) OF THE RECEIVING SYSTEM IN THE 4 GHZ TO 5 GHZ RANGE
International Electrotechnical Committee
FOREWORD
PREFACE
SECTION TWO - MEASUREMENT OF THE FIGURE OF MERIT (G/T)
OF THE RECEIVING SYSTEM IN THE 4 GHz TO
6 GHz RANGE
Clause
1. Scope
2. Definitions
2.1 Figure of merit (G/T)
2.2 Radio star
2.3 Standard atmosphere
3. General considerations
4. Measurements of G/T using calibrated radio stars
4.1 Analytical expression of G/T as a function of Y-factor
4.2 Choice of the radio star
4.3 Pointing technique
4.4 Method of measurement
4.5 Error analysts
4.6 Presentation of results
4.7 Details to be specified
5. Determination of G/T by the indirect method
6. References
APPENDIX A - Characteristics of the principal radio stars
FIGURES
Gives methods for measuring the figure of merit (G/T) of earth station receiving systems using calibrated radio stars. Characteristics of the principal radio stars are specified in the appendix.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 12E |
