Low-cost broadband millimeter wave array antenna
An array antenna, millimeter wave technology, applied in the direction of antenna, antenna coupling, antenna array, etc., to achieve the effect of wide impedance bandwidth, small size, and high power capacity
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[0030]The present invention will be further described in detail below in conjunction with embodiments and with reference to the drawings.
[0031]An embodiment 1 of the present invention is a low-cost broadband millimeter wave array antenna, which mainly includes two parts: a metal horn part and a cavity-backed patch antenna.
[0032]Such asfigure 1 As shown, the metal horn part includes at least two metal horn antenna units 1 for transmitting and two metal horn antenna units 11 for receiving, forming an array distribution. The structure of the transmitting metal horn antenna unit 1 and the receiving metal horn antenna unit 11 are completely the same, and they are realized by machining on the same piece of metal by a milling machine.
[0033]The cavity-backed patch antenna includes an antenna feed dielectric plate 10 on which is provided with transmission feed units 2 corresponding to the number of metal horn antenna units 1 for transmission, and a number corresponding to the number of metal...
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