| 摘要 |
PROBLEM TO BE SOLVED: To reduce mutual interference at the time of transmitting and receiving horizontally polarized waves and vertically polarized waves. SOLUTION: This linearly polarized wave feed horn 1 is provided with a circular waveguide part 3 provided with a horn 2 on one end part, the other end part of which is closed by a terminating end 3a and a dielectric substrate 4 loaded with a horizontal probe 7 and a vertical probe 6 constituted of patterns for transmitting and receiving the radio waves of the horizontally polarized waves and the vertically polarized waves and a signal processing part 5 incorporating a high-frequency signals switching part and a low-noise amplification part, etc. The dielectric substrate 4 is provided vertically to a center axis 1a at a position almostλ/4 (λis an intra-tube wavelength) away from the terminating end 3a of the waveguide part 3, the horizontal probe 7 and the vertical probe 6 are both arranged on the side of the terminating end 3a inside the waveguide part 3 on the dielectric substrate 4, the terminating ends 6a and 7a corresponding to the probes 6 and 7 are arranged on the opposite surface and the horizontal probe 7 is assembled, for example, so as to be horizontal.
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