单词 | Yagi antenna |
释义 | Yagi antenna/ˈjɑːɡi /(also Yagi aerial) noun A highly directional radio aerial made of several short rods mounted across an insulating support and transmitting or receiving a narrow band of frequencies.Tracking relied on four-element directional Yagi antennas and either AVM LA - 12, Televilt RX900, or Televilt RX8910 (TVP Positioning AB, Lindesberg, Sweden) receivers....
Origin1940s: named after Hidetsugu Yagi (1886–1976), Japanese engineer. |
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