| 書目名稱 | Omnidirectional Slots Antenna | | 編輯 | Junping Geng | | 視頻video | http://file.papertrans.cn/701/700932/700932.mp4 | | 概述 | The first book available on omnidirectional antenna with slot array.Includes several novel special application cases with various polarization and diversity.Offers the principles and evolutions.Propos | | 圖書封面 |  | | 描述 | Omnidirectional antenna with high gain, low profile, vertical polarization, even CP polarization is very difficult to design, although it is from the dipole. In this book, a novel idea that the running wave in the coaxial wire is disturbed by the orthogonal slot array on the cylindrical metal shell is introduced, which radiates the CP wave in omni-direction.?.When feeding on two ends of the coaxial wire respectively, there will appear left hand circularly polarized (LHCP) omnidirectional radiation or right hand circularly polarized (RHCP) omnidirectional radiation. By introducing the T-shaped feed structure, the coaxial wire with slot array can conveniently produce the LHCP and RHCP radiation diversity with one end feeding. In the further, combining with the directional antenna, it will generate the pattern diversity in the half-sphere space.?.The antenna of the coaxial wire with slot array can further transform into conical CP beam antenna if the coaxial wire becomes into a conical frustum. By introducing the PIN diode into the slot, the antenna of the coaxial wire with slot array can radiate the reconfigurable directional beam by switching the states of the PIN diodes. By introdu | | 出版日期 | Book 2021 | | 關鍵詞 | Omnidirectional CP antenna with slot array; Dual CP Omnidirectional antenna with slot array; Conical b | | 版次 | 1 | | doi | https://doi.org/10.1007/978-981-15-9089-4 | | isbn_softcover | 978-981-15-9091-7 | | isbn_ebook | 978-981-15-9089-4 | | copyright | Shanghai Jiao Tong University Press, Shanghai and Springer Nature Singapore Pte Ltd. 2021 |
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