electromagnetic compatibility and radio spectrum matters-electromagnetic compatibility standard for radio equipment and services-part 12 : specific conditions for very small aperture terminal, satellite interactive earth stations operated in the frequency ranges between 4 ghz and 30 ghz in the fixed satellite service v1.2 . 1 電磁兼容性和無線電頻譜情況.無線電設備和服務的電磁兼容性標準.第12部分:固定衛(wèi)星服務中工作在4ghz到30ghz頻帶的衛(wèi)星地面站微小孔徑端的具體條件