effects of reentry plasma sheath on gps patch antenna polarization property

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ID: 187714
2013
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Ranked #78 of 303 articles by views in american journal of physiology endocrinology and metabolism

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Abstract
A plasma sheath enveloping a reentry vehicle would affect performances of on-board antenna greatly, especially the navigation antennas. This paper studies the effects of reentry plasma sheath on a GPS right-hand circularly polarized (RHCP) patch antenna polarization property during a typical reentry process. Utilizing the algorithm of finite integration technique, the polarization characteristic of a GPS antenna coated by a plasma sheath is obtained. Results show that the GPS RHCP patch antenna radiation pattern distortions as well as polarization deteriorations exist during the entire reentry process, and the worst polarization mismatch loss between a GPS antenna and RHCP GPS signal is nearly 3 dB. This paper also indicates that measures should be taken to alleviate the plasma sheath for maintaining the GPS communication during the reentry process.
Reference Key
zhao2013internationaleffects Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;L. Zhao;B. W. Bai;W. M. Bao;X. P. Li
Journal american journal of physiology endocrinology and metabolism
Year 2013
DOI
10.1155/2013/823626
URL
http://dx.doi.org/10.1155/2013/823626
Keywords
electrical engineering electronics wireless telephone industry nuclear engineeringcellular telephone services industry

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