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ITU－R(原国际无线电咨询委员会InternationalRadioConsultativeCommittee:CCIR)是国际电信联盟ITU(InternationalTelecommunicationUnion)的常设机构之一。其主要任务是协调无线电领域中的技术和业务问题，研究技术要求、设备国际标准并提出建议。ITU－R下属16个研究组，目前
ITU-R (formerly International Radio Consultative Committee: CCIR) is one of the permanent agencies of International Telecommunication Union (ITU). Its main tasks are to coordinate technical and operational issues in the field of radio, research technical requirements, international standards for equipment and make recommendations. ITU-R 16 research groups, at present