Method and device for calculating directional pattern of beam pointing adjustable antenna

A device for calculating directional pattern of a beam pointing adjustable antenna, comprising:

• a slot transmission matrix obtaining module configured for:
• obtaining a total transmission matrix of a single-slot waveguide corresponding to one of the slot units and a transmission matrix of a seamless waveguide corresponding to the slot unit, and obtaining an equivalent transmission matrix of the single slot unit according to the total transmission matrix of the single-slot waveguide and the transmission matrix of the seamless waveguide;
• an antenna transmission matrix obtaining module configured for:
• obtaining an arrangement and combination mode of the slot units and a beam pointing control code representing on or off state of each slot unit, and obtaining a transmission matrix cascading mode of the beam pointing adjustable antenna according to the arrangement and combination mode, the beam pointing control code, and the equivalent transmission matrix of the single slot unit;
• and
• an antenna directional pattern generating module, configured for:
• obtaining the directional pattern of the single-slot waveguide structure excited at the left end and the directional pattern of the single-slot waveguide structure excited at the right end, and obtaining a composite directional pattern of the beam pointing adjustable antenna according to the directional pattern of the single-slot waveguide structure excited at the left end, the directional pattern of the single-slot waveguide structure excited at the right end, and the transmission matrix cascading mode of the beam pointing adjustable antenna;
• wherein the slot transmission matrix obtaining module, the antenna transmission matrix obtaining module, and the antenna directional pattern generating module are sequentially connected.