提出了一种周边桁架式索网天线型面的快速调整方法。
An optimization method for shape adjustment of perimeter-truss mesh antenna reflectors was put forward.
本论文主要解决的是架设状态下大型双弯曲渐变雷达天线型面检测的数据处理。
The thesis mainly resolves the problem of data processing which come from the measurement results of the erected radar antenna surface.
中频频率和水平磁偶极子天线(垂直环状天线)是井下采区无线通信可使用的频段和天线型式。
Medium frequencies and horizontal magnetic dipoles (vertical loop antennas) can be used in underground radio communication in mining sections of coal mines.
中频频率和水平磁偶极子天线(垂直环状天线)是井下采区无线通信可使用的频段和天线型式。
Medium frequencies and horizontal magnetic dipoles (vertical loop antennas) can be used in underground radio communication in mining sections of coal mines.
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