An antenna system of a reconfigurable radiation mode
An antenna system and radiation pattern technology, applied in the field of the Internet of Things, can solve the problems of limited connection distance, increase system cost, increase the insertion loss of antenna directivity scheme, etc., and achieve the effect of extending communication distance, saving system cost and low cost.
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[0028] like figure 1 As shown, in this embodiment, both the driving element 1 and the parasitic element are located on the ground plane 34, the driving element 1 is located at the center of the square ground plane 34, and the parasitic elements are distributed around the driving element; wherein the driving element 1 adopts a folded dipole antenna, Using the folded dipole antenna as the driving element 1 has the advantages of high gain, wide frequency coverage and low noise.
[0029] In order to take both gain and cost into account, there are two groups of parasitic elements in this embodiment, and considering the characteristics of electromagnetic wave transmission and reflection in space, in order to reduce noise interference and energy loss and obtain the maximum gain, the two groups of parasitic elements are arranged in a front-rear correspondence Set on the diagonal of the square ground plane 1, the distance from the driving element 1 to the first group of parasitic eleme...
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