1、-1-QUESTION ITU-R 231/3*The effect of electromagnetic emissions from man-made sources on theperformance of radiocommunication systems and networks(2007)The ITU Radiocommunication Assembly,consideringa) that electromagnetic emissions occur from a wide variety of man-made sources, such asignition syst
2、ems in internal combustion engines, electrical machinery, electronic equipment andapparatus, information technology and telecommunications equipment, etc.;b) that the reception of such emissions may affect the performance of radiocommunicationsystems and networks;c) that the information on man-made
3、noise in Recommendation ITU-R P.372 relates to theaggregated noise from all man-made sources in typical environments, and does not provideinformation on the emissions received from individual or identifiable sources;d) that such emissions may be impulsive in character and cannot be adequately descri
4、bed interms of an external noise factor;e) that emissions from individual sources may become of increasing importance indetermining the performance of radio systems and networks,decides that the following Question should be studied1 How can the distribution of the radiation from individual sources b
5、e described andmeasured?2 What is the effect of electromagnetic emissions from man-made sources on theperformance of radiocommunication systems and networks, and how should the effect of suchemissions be described and quantified?further decides1 that the results of studies should be included in Recommendations and/or Reports;2 that the above studies should be completed by 2010.Category: S2_* This Question should be brought to the attention of Radiocommunication Study Group 1.
