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Phased Array Feed
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相位阵馈源
在反射面天线焦平面紧密排布馈电单元,通过对各个馈电单元接收的电压信号进行加权求和进行波束合成,以对反射面汇聚的电磁波进行多种模式接收的技术,简称PAF。
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file access
file accessed time
file allocation
file allocation table
file allocation table, FAT
file allocation time
file attribute
file backup
file checking program
file contention
file covers/ binding case
file created time
file creation
file design
file directory
file emergency management
file fragmentation
file handle
file-item list
file level sorting
file maintenance
file management
file management of place names
file management system
file management system, FMS
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