Method for designing array antennae distributed in circular aperture field based on Bessel function
A Bessel function, array antenna technology, applied to antennas, antenna arrays, electrical components, etc., can solve problems such as limitations, lack of beamforming, and inability to meet gain, and achieve good symmetry and fast beamforming.
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[0034] like Figure 4 As shown, a concentric circle array layout structure composed of three concentric rings is adopted. There are 4 antenna units on the innermost concentric ring, 8 antenna units on the middle concentric ring, and 12 antenna units on the outermost concentric ring, R 1 , R 2 , R 3 are the radii of the innermost circle, the middle circle, and the outermost circle of concentric rings, respectively.
[0035] like figure 2 As shown, where P is the internal weighting parameter, the abscissa is the radial coordinate of the normalized radius a, and the y-coordinate is the magnitude of the aperture field. The internal weighting parameter P is 4.5, 7, and 8.5 respectively, and the scale transformation weighting standard Bessel function J 1 The aperture field distribution of (Px) / x is as follows figure 2 As shown, the aperture field distribution is rotationally symmetric about the aperture center. Using the relationship between circular aperture field distribu...
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