Patent ID: 11967757
Assignee: BEIJING UNISTRONG SCIENCE & TECHNOLOGY CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The helical antenna according to claim 1, wherein a side of the printed circuit board facing towards the radiation body is provided with a feed network, and a side of the printed circuit board away from the radiation body is provided with a signal processing circuit, wherein,
an input terminal of the feed network is electrically connected to each of feed output terminals, and an output terminal of the feed network is electrically connected to an input terminal of the signal processing circuit;
the feed network is configured to synthesize signals outputted from the feed output terminals, to obtain a circularly polarized signal; and
the signal processing circuit is configured to perform a predetermined processing on the circularly polarized signal, to obtain a target signal that meets a requirement.