| 摘要 |
According to the present invention, when wireless communication is performed, a signal can be formed in a spiral beam H, the spiral pitch of the signal can be changed, and a plurality of spiral beams H having different spiral pitches can be transmitted/received. The present invention pertains to a wireless signal transmission antenna (10) having: a signal emitting means (A) having N number of antenna elements (A1, …, AN) (where N is an integer and N≥2) equally-spaced on the circumference; and a signal distribution means (B) for generating N number of second signals (G1, …, GN) having phase differences therebetween from an input first signal (S) and respectively outputting the N number of second signals (G1, …, GN) to the N number of antenna elements (A1, …, AN) so that the spiral beam (H), the equiphase surface of which is spirally inclined, is output from the signal emitting means (A). |
