A Multi-bit Quantized Digital Phased Array Antenna
A digital phased array and antenna technology, which is applied to separately powered antenna arrays, antennas, antenna arrays, etc., can solve problems such as the inability to achieve beam direction control, and achieve the goal of reducing contour height, reducing cascade levels, and reducing production costs. Effect
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[0047] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0048] Such as figure 1 and 2 As shown, an 8×8 antenna sub-array is taken as an example to illustrate a specific application of the present invention. The 8×8 antenna sub-array can be generally divided into four layers, such as figure 1 As shown, the upper three layers are switching phase shifters, and the bottom layer is the waveguide feeding structure 4 . The phase shifters from top to bottom are 180° phase shift unit layer 1 (180° phase shift layer 1 has a radiation function, also called radiation unit layer, and the radiation unit layer is attached to the linear bias line layer), 90° phase shifter The phase unit layer 2 and the 45° phase shift unit lay...
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