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Interferometric Direction-Finding Antenna Array with Multiplexed/Switched Radiating Elements
Interferometric Direction-Finding Antenna Array with Multiplexed/Switched Radiating Elements
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机译:具有多路复用/切换辐射元件的干涉测量方向查找天线阵列
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摘要
A direction-finding antenna includes at least a first set of radiating elements configured to radiate at least a first wavelength (λ1) and a second set of radiating elements configured to radiate at a second wavelength (λ2) that is shorter than the first wavelength (λ1). The first set of radiating elements defines a first circle having a first radius. The second set of radiating elements defines a second circle having a second radius that is smaller than the first radius of the first circle. The direction-finding antenna further includes a transmission line-based multiplexer configured to selectively couple the first set of radiating elements or the second set of radiating elements to a radio frequency (RF) feed line, or a plurality of switches configured to selectively couple selected radiating elements of the first set of radiating elements or the second set of radiating elements to the RF feed line.
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