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This paper proposes an idea of dual-polarized ridge waveguide two-dimension phased array antenna, which is composed of horizontal and vertical polarization ridge waveguide linear slot antenna arrays alternately. In order to achieve two-dimensional beam scanning and reduce the devices and cost, the pitch direction of antenna array is scanned depending on the frequency with slow-wave line, the azimuth...
Shared-aperture Ku/Ka bands microstrip array feeds of parabolic cylindrical reflector antenna have been developed. Dual-polarized microstrip crossed slots, fed by inverted microstrip lines, are used as Ku-band antennas. Single-polarized square microstrip patches, fed by microstrip lines, are used as Ka-band antennas. The Ka-band microstrip patches are in the upper layer and interlaced with the Ku-band...
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