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广播卫星地面站
释义
广播卫星地面站
guǎng bō wèi xīng dì miàn zhàn
卫星广播系统的地面设施。由天线系统包括跟踪装置、发射系统、接收系统、基带终端装置等组成。用于向广播卫星传输电视节目、接收和监视广播卫星发射的电波和广播信号与质量。此外,还要执行监视卫星工作状态、遥控卫星的工作,并与其他地球站保持通信等。
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John Langalibalele Dube
John Langshaw Austin
john larsen
John laughed in his beard
John lavishes care on his only son
john law
John law
John Lawrence
John le Carre
john le carres
John Le Carre-The Constant Gardener
John left early under the pretext of illness
John Leighton Stuant
john leighton stuart
John! Lend a hand with this table
John! Lend a hand with this table,will you?
John! Lend a hand with this table, will you
Johnnie WalkerR
johnnie walker red label
Johnnie Walker Swing Label
johnnie walker™
johnno
john-norris
John Lennon
John Lennon married Japanese artist Yoko Ono in
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更新时间:2026/8/22 1:46:41