Array of coupled oscillators generating circular polarization

by: L Dussopt, JM Laheurte

Antennas and Propagation Society International Symposium, 1999. IEEE, Vol. 1 (1999), pp. 268-271 vol.1.

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Abstract

This paper presents a 4-element array of linearly polarized active antennas generating circular polarization. The loop arrangement with unidirectional coupling of the four oscillators is theoretically investigated and we find four possible modes of steady-state operation depending on the coupling phase. An array has been designed and realized in order to achieve the π/2-mode required to generate circular polarization. Measurements have shown a wide axial ratio beamwidth for a 2% axial ratio bandwidth

@inproceedings{citeulike:2774501, abstract = {This paper presents a 4-element array of linearly polarized active antennas generating circular polarization. The loop arrangement with unidirectional coupling of the four oscillators is theoretically investigated and we find four possible modes of steady-state operation depending on the coupling phase. An array has been designed and realized in order to achieve the \π/2-mode required to generate circular polarization. Measurements have shown a wide axial ratio beamwidth for a 2\% axial ratio bandwidth}, author = {Dussopt, L. and Laheurte, J. M. }, booktitle = {Antennas and Propagation Society International Symposium, 1999. IEEE}, citeulike-article-id = {2774501}, doi = {10.1109/APS.1999.789132}, journal = {Antennas and Propagation Society International Symposium, 1999. IEEE}, keywords = {active, antenna, array, circular, oscillator, polarisation}, pages = {268--271 vol.1}, posted-at = {2008-05-09 07:42:03}, priority = {2}, title = {Array of coupled oscillators generating circular polarization}, url = {http://dx.doi.org/10.1109/APS.1999.789132}, volume = {1}, year = {1999} }

RIS record

TY - CONF ID - citeulike:2774501 L3 - citeulike-article-id:2774501 TI - Array of coupled oscillators generating circular polarization T2 - Antennas and Propagation Society International Symposium, 1999. IEEE JF - Antennas and Propagation Society International Symposium, 1999. IEEE VL - 1 SP - 268 EP - 271 vol.1 N2 - This paper presents a 4-element array of linearly polarized active antennas generating circular polarization. The loop arrangement with unidirectional coupling of the four oscillators is theoretically investigated and we find four possible modes of steady-state operation depending on the coupling phase. An array has been designed and realized in order to achieve the π/2-mode required to generate circular polarization. Measurements have shown a wide axial ratio beamwidth for a 2% axial ratio bandwidth KW - active KW - antenna KW - array KW - circular KW - oscillator KW - polarisation AU - Dussopt, L AU - Laheurte, JM PY - 1999/// UR - http://dx.doi.org/10.1109/APS.1999.789132 ER -

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