Analytical Computation of Mutual Impedance between Two Closely Spaced Antennas

Date

2024-01-01

Author

Öztürk, Mehmet Ali
Koç, Seyit Sencer

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Mutual impedance between two closely spaced an-tennas is analytically computed using spherical harmonics and reaction theorem. When two antennas are closely spaced, a reaction surface that lies completely in the convergence region of spherical wave expansion of both antennas can not be found. In this study, a method that overcomes this problem is introduced. The mutual impedance is expressed as a summation of the product of spherical harmonic coefficients of antennas. The validity of the proposed method is confirmed by analyzing half-wave dipoles and printed dipoles. In the latter case, the results are also confirmed by measurement.

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85207061443&origin=inward
https://hdl.handle.net/11511/112534

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Department of Electrical and Electronics Engineering, Conference / Seminar