射频范围 meaning in English

radio frequency region

Methods of measurement for radio equipment used in satellite earth stations - part 1 : measurements common to sub - systems and combinations of sub - systems - section two : measurements in the r . f . range
卫星通信地球站无线电设备测量方法第1部分:分系统和分系统组合通用的测量第2节:射频范围内的测量
This study collects signals over a vast range of radio frequencies ( between 1 . 2 and 3 gigahertz ) that might carry alien radio or television leakage , as well as a formal beacon
它收集宽广的射频范围内的信号，在这个范围可能有外星人泄露的无线电和电视信号或他们发射的信号（在1 . 2到3兆赫之间）。
Methods of measurement for radio equipment used in satellite earth stations . part 1 : measurements common to sub - systems and combinations of sub - systems . section two - measurements in the r . f . range
卫星地面站用无线电设备的测量方法.第1部分:分系统和分系统组合件通用的测量.第2节:射频范围内的测量