在这些研究人员设计中，每个节点使用了两个传输天线，一个接收天线。
The researchers' design USES two transmitting antennas, one receiving antenna at each node.
两个传输天线都发送相同的数据，而放置的这个接收天线会接收来自这些传输天线的180度相位差的信号，从而信号相互抵消。
Both transmitting antennas send the same data, but the receiving antenna is placed so it receives signals from the transmitting antennas that are out of phase so they cancel out.
这种辐射和通过天线发射的用来传输电视信号的电磁波是同类型的。
The radiation is akin to that used to transmit TV signals via antennas.
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