Antenna device and radar module

Details Antenna device and radar module Antenna device and radar module

H - Electricity

01

Q

H01Q 1/38 (2006.01) H01Q 13/10 (2006.01) H01Q 13/24 (2006.01) H01Q 13/28 (2006.01) H01Q 19/06 (2006.01)

Patent

CA 2234498

The invention provides an antenna in which a signal is directly transferred from a planar dielectric transmission line to a primary radiator without having to perform transmission mode conversion from the planar dielectric transmission mode to another mode such as a coplaner transmission mode, a mictrostrip transmission mode, or a waveguide transmission mode thereby eliminating the transmission loss which would otherwise occur due to the transmission mode conversion. A dielectric resonator is disposed in the vicinity of the end of the planar dielectric transmission line PDTL formed between two slots disposed on both sides of a dielectric plate. Furthermore, a slotted plate, a lens supporting base, and a dielectric lens are disposed one on another.

L'invention est une antenne dans laquelle un signal est transmis directement d'une ligne de transmission diélectrique planar à un radiateur primaire sans conversion de mode de transmission entre le mode de transmission diélectrique planar et un autre mode, tel qu'un mode de transmission coplanar, un mode de transmission microruban ou un mode de transmission par guide d'ondes, ce qui élimine les pertes de transmission qui autrement résulteraient de cette conversion de mode de transmission. Un résonateur diélectrique est monté au voisinage de l'extrémité de la ligne de transmission diélectrique planar formée entre deux fentes pratiquées sur les deux côtés d'une plaque diélectrique. Une plaque à fentes, un support de lentille et une lentille diélectrique sont superposés les uns aux autres.

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