ITU-R QUESTION 2321-2006 Methods and techniques used in space radio monitoring《空间无线电监测的方法和技术》.pdf

1、QUESTION ITU-R 232/1*, *Methods and techniques used in space radio monitoring(2006)The ITU Radiocommunication Assembly,consideringa) that orbital slots for geostationary satellites are a valuable and scarce resource;b) that a knowledge of the operational status of geostationary satellites recorded i

2、n the MasterInternational Frequency Register is useful to spectrum management both in developed anddeveloping countries;c) that Recommendation ITU-R SM.1050 defines the tasks of a monitoring service;d) the necessity to locate and eliminate the harmful interference to and from space stations;e) that

3、several monitoring earth stations already exist in various parts of the world and arecapable of collecting data relating to radiated emissions from space stations and the necessity tocooperate between these stations;f) that ITU-R Recommendations have been developed based on reported data and standar

4、dinformation exchanging format of monitoring, but lacking description on measurement methods andtechniques used in monitoring of emissions from space stations;g) that the monitoring of emissions from terrestrial stations and space stations are different interms of technique and method,decides that t

5、he following Question should be studied1 What methods, techniques, procedures and measuring equipments are appropriate forthe measurement of emission from both GSO and non-GSO space stations?2 What methods, techniques, procedures and measuring equipments are appropriate for themeasurement of emissio

6、n from earth stations to both GSO and non-GSO space stations?further decides1 that the results of the above studies shall be included in (a) Recommendation(s) and/orReport;2 that the above studies should be completed by 2011.Category: S2* This Question should be brought to the attention of Radiocommunication Study Groups 3, 4, 6, 7 and 8.* In the year 2009, Radiocommunication Study Group 1 extended the completion date of studies for thisQuestion.