A radar obstacle detector for a railway crossing having a radar beam with a reduced vertical angle is disclosed. The radar obstacle detector may comprise a waveguide; a transmitting element for emitting microwaves, the transmitting element being positioned in the waveguide; a sectoral horn coupled to the waveguide, wherein the sectoral horn is configured to radiate a radar beam having an angle of 6 to 0 degrees in the plane of flared sides; and a dielectric insert inserted into a first aperture of the sectoral horn.
Albani, M., Mazzinghi, A., Freni, A. (2014)RADAR OBSTACLE DETECTOR FOR A RAILWAY CROSSING. . Brevetto No. EP20140425062 20140523; AU2015202515, EP2947716, CN105093214.
RADAR OBSTACLE DETECTOR FOR A RAILWAY CROSSING
ALBANI, MATTEO;MAZZINGHI, AGNESE;
2014-01-01
Abstract
A radar obstacle detector for a railway crossing having a radar beam with a reduced vertical angle is disclosed. The radar obstacle detector may comprise a waveguide; a transmitting element for emitting microwaves, the transmitting element being positioned in the waveguide; a sectoral horn coupled to the waveguide, wherein the sectoral horn is configured to radiate a radar beam having an angle of 6 to 0 degrees in the plane of flared sides; and a dielectric insert inserted into a first aperture of the sectoral horn.
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https://hdl.handle.net/11365/1007303
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