Abstract
A design method of embedded SIW slot array antenna is proposed in this paper. It regards the metal groove walls as waveguide narrow-walls, instead of the traditional metallized through holes. So that it is easier to control the resonant parameters of slots during design process. The radiation power of a taper distribution in slot array is designed, corresponding to the geometric parameters database of SIW slot. Then this paper completed the electromagnetic simulation of SIW slot array within $32 \times 36$ elements. All pattern peak value in operating frequency band is over 37 dBi, the sidelobe level is below −19.2 dB, and the half power beam width is within 2.4 °. It verifies the feasibility of design method.
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