摘要 |
A transition structure including a patch antenna and a wave guide and connected between a first transmission line and a second transmission line is provided. The transition structure comprises the wave guide including a lower end connected to the first transmission line and an upper end connected to the second transmission line; a first patch antenna arranged inside the lower end of the wave guide; a first end dielectric circuit board formed under the first patch antenna; a second patch antenna arranged inside the wave guide; and a second short-layer dielectric circuit board formed on the second patch antenna. [Reference numerals] (AA) Wave guide WR10;(BB) Input port |