Slot structured artificial electromagnetic soft surface and construction method thereof
An electromagnetic soft surface, artificial electromagnetic technology, applied in circuits, electrical components, antennas, etc., can solve the problems of large period, increase the width of a single metal strip, and the influence of the soft surface band gap, and achieve simple structure and good decoupling effect. , The effect of low processing difficulty
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[0026] Step 1: Establish an electromagnetic soft surface (vias on the side) model with a two-period slotted structure in CST (such as Figure 4 (Shown), the model consists of three layers, from top to bottom are metal copper strips, FR4 dielectric substrate layer, and ground layer. Each metal strip is connected to the ground through a row of equidistant metal copper vias. The dielectric thickness h=1.6mm, the diameter of the metal via D=0.5mm, and an air box with a height of 5 times the thickness of the dielectric substrate is set above the metal strip. The length and width of the air box are the same as the dielectric substrate layer. The upper surface and the lower surface of the stratum are respectively provided with electrical boundaries (Et=0), and magnetic boundaries (Ht=0) are respectively provided on the two sides of the metal copper strip direction, which lies in the two perpendicular directions of the metal copper strip. Wave ports are set on each side. Set the freque...
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