用“directional antenna”造句大全，directional antenna造句
In radiocommunications, the radiation in a lobe of a directional antenna.
In CASR, fixed relays equipped directional antenna are located at the vertex of the hexagonal cell for sectorization and Shared by three adjacent cells.
While mid-wave antenna is mostly iron tower antenna, we do not use directional antenna except that we need special service in special area.
An array of wave probes can be used as a directional antenna.
A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
Using a directional antenna, the device shoots data to a receiving antenna as far as 60 miles away.
