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本文(ITU-R QUESTION 99-15-2007 Interference due to intermodulation products in the land mobile services between 25 and 6 000 MHz《25至6000兆赫陆地移动业务中互调产品引起的干扰》.pdf)为本站会员(李朗)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ITU-R QUESTION 99-15-2007 Interference due to intermodulation products in the land mobile services between 25 and 6 000 MHz《25至6000兆赫陆地移动业务中互调产品引起的干扰》.pdf

1、QUESTION ITU-R 99-1/5*Interference due to intermodulation products in theland mobile services between 25 and 6 000 MHz(1990-2007)The ITU Radiocommunication Assembly,consideringa) that large numbers of base station transmitters and receivers may be operated within thesame limited geographical area;b)

2、 that such transmitters may produce high-level intermodulation emissions, the odd orders ofwhich fall within and on either side of a land mobile band, and these may fall on receivefrequencies of land mobile stations;c) that channelling plans can be devised so as to minimize the effects of intermodul

3、ationproducts;d) that receivers may have spurious intermodulation responses as a result of two or morestrong input signals;e) that external non-linearly conducting elements may produce intermodulation productsfrom two or more signals,decides that the following Questions should be studied1 What are t

4、he various causes of intermodulation products arising within transmitters,receivers and external non-linear elements, and the various techniques which may be used tominimize their production and reduce their effects, the method used being stated in each case?2 What is the maximum permissible mean po

5、wer of intermodulation emissions forsatisfactory operation in the land mobile services?3 What are the precautions that are required against the formation of intermodulationproducts in receivers and which are compatible with satisfactory operation of the land mobileservices?further decides1 that the results of the above studies should be included in one or more Recommendations,Reports or Handbooks;2 that the above studies should be completed by 2010.Category: S2_* Former Question ITU-R 99-1/8.

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