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This paper presents design of C-Band feed assembly for Doppler weather radar application. The feed assembly consists of a corrugated horn antenna to achieve low cross polarization integrated with an Ortho Mode Transducer (OMT) to achieve dual polarization. The novelty in the design is achieving all design goals with reduction in size in comparison to conventional corrugated horn antenna. Size of the corrugated horn antenna is approximately 100 mm*32 mm (D*L). This design also gives low VSWR & symmetric radiation pattern in Elevation & Azimuth plane over 10% bandwidth.

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Development of Compact Dual Polarized Corrugated Feed Horn Antenna with Low Cross-Polarization for Doppler Weather Radar Applications in C-Band

  • 会议论文

  • 发表日期：

    2025年

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  • Rahul Alok Sharma,
  • Manish Baraik,
  • Pragati Srivastava

摘要

This paper presents design of C-Band feed assembly for Doppler weather radar application. The feed assembly consists of a corrugated horn antenna to achieve low cross polarization integrated with an Ortho Mode Transducer (OMT) to achieve dual polarization. The novelty in the design is achieving all design goals with reduction in size in comparison to conventional corrugated horn antenna. Size of the corrugated horn antenna is approximately 100 mm*32 mm (D*L). This design also gives low VSWR & symmetric radiation pattern in Elevation & Azimuth plane over 10% bandwidth.