| 摘要 |
<p>Folded lens transmit/receive antennae, systems for receiving and/or transmitting a signal, methods for receiving and/or transmitting electromagnetic energy, a scanning folded lens antenna, systems for scanning reception and/or transmission of electromagnetic radiation and methods of scanning receiving and/or transmitting electromagnetic energy are disclosed. A particular embodiment of the folded lens transmit/receive antenna (1) has a first cylindrical parallel plate waveguide (2), a second cylindrical parallel plate waveguide (7), a waveguide coupler (9) operatively associated with the first and second waveguides (2 and 7) to communicate a signal therebetween so as to transform a cylindrical signal from the first waveguide (2) to a substantially planar phase signal in the second waveguide (7). Antenna (1) also includes means (8) for coupling a signal between the second waveguide (7) and free space, the means (8) for coupling being operatively associated with the second cylindrical parallel plate waveguide (7), and a coupling device (6) operatively associated with the first waveguide (2) for coupling a signal between the first waveguide (2) and the coupling device (6).</p> |
