International Symposium on Antennas and Propagation
Co-aperture dual-band waveguide monopulse antenna
Yuan-Yun Liu, Feng-wei Yao, Yuan-Bo Shang,
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This paper describe a novel design of dual band monopulse antenna array ,which is made of a X-band and a Kband in the same planar radiating surface. The K-band array is the traditional waveguide slot antenna ,which is interfaced to the X-band antenna. The simulated and measured radiation patterns at center frequency are both presented. The side-lobe level for the sum pattern of two frequency are all less than -22dB , which have been achieved in the experiment .