In receiving mode, through controlling DDS, it produces the local oscillation signal needed by down frequency conversion of the receiving signal. Then the DBF is used to form the receivingbeam.
在接收模式下，则利用DDS技术产生接收信号下变频所必需的本振信号，然后采用DBF技术形成接收波束。
2
With a tap or a wave, the cards wirelessly beam data to a receiving device on the shopkeeper's counter.
通过拍卡或者将卡挥动一下，可以用无线的方式将（付款金额）数据从卡传输到店铺柜台的接受器上。
3
The satellite would then convert the energy into radio waves and beam them down to a receiving station on Earth.