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Near-field Mutual Coupling Assessment in Co-platform Antennas Using a Modified Friis Transmission Formula

  • Yunru Zhao*
  • , Peng Liu
  • , Qi Wu
  • *此作品的通讯作者
  • Beihang University
  • Key Lab of Science and Technology on High Performance Electromagnetic Windows

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

Near-Field mutual coupling between a transmitting (Tx) phased array and a receiving (Rx) antenna on a shared platform is pre-evaluated during beam scanning. The modified Friis transmission formula incorporates relative spatial positions and polarization mismatch of each Tx-Rx antenna pair. Under the assumption that the array's near-field region satisfies far-field conditions for individual elements, the total received power is calculated via the superposition theorem and the time-averaged Poynting vector. Configurations with high elevation angles are analyzed, considering both a single helix antenna and a truncated 4×3 patch array as Rx antennas. Numerical validation confirms the modified Friis formula's effectiveness for efficient near-field coupling assessment in co-platform scenarios.

源语言英语
主期刊名APMC 2025 - 2025 Asia-Pacific Microwave Conference
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9798331534554
DOI
出版状态已出版 - 2025
活动2025 Asia-Pacific Microwave Conference, APMC 2025 - Jeju Island, 韩国
期限: 2 12月 2025 → 5 12月 2025

丛书

姓名Asia-Pacific Microwave Conference Proceedings, APMC
ISSN(电子版)2690-3946

会议

会议2025 Asia-Pacific Microwave Conference, APMC 2025
国家/地区韩国
市Jeju Island
时期2/12/25 → 5/12/25

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