Eighth International Conference on Antennas and Propagation, 30 March - 2 April 1993 PDF Download
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Author:
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 1106
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Author:
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 1106
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Author: Junping Geng
Publisher: Springer Nature
ISBN: 9811590893
Category : Technology & Engineering
Languages : en
Pages : 188
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Book Description
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 introducing a novel switchable microwave circuit, the omnidirectional /directional pattern switchable antenna can be realized easily.This book proposes a continues method to develop the potentialities of the omnidirectional antenna. And the readers can study the method or ideas of the omnidirectional slots antenna, even graft the CP or diversity methods to other antennae.
Author:
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ISBN:
Category : American literature
Languages : en
Pages : 2318
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Book Description
A world list of books in the English language.
Author: Steven J. Isakowitz
Publisher: AIAA
ISBN: 9781563473531
Category : Reference
Languages : en
Pages : 622
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Book Description
This best-selling reference guide contains the most reliable and up-to-date material on launch programs in Brazil, China, Europe, India, Israel, Japan, Russia, Ukraine, and the United States. Packed with illustrations and figures, the third edition has been extensively updated and expanded, and offers a quick and easy data retrieval source for policymakers, planners, engineers, launch buyers, and students.
Author: Andrzej Cichocki
Publisher: John Wiley & Sons
ISBN: 9780471607915
Category : Science
Languages : en
Pages : 596
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Book Description
Im Mittelpunkt dieses modernen und spezialisierten Bandes stehen adaptive Strukturen und unüberwachte Lernalgorithmen, besonders im Hinblick auf effektive Computersimulationsprogramme. Anschauliche Illustrationen und viele Beispiele sowie eine interaktive CD-ROM ergänzen den Text.
Author:
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ISBN:
Category : Electronic apparatus and appliances
Languages : en
Pages : 1052
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Author:
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 440
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Author: American Astronomical Society
Publisher:
ISBN:
Category :
Languages : en
Pages : 476
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Author:
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ISBN:
Category : Radio
Languages : en
Pages : 436
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Book Description
Author:
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ISBN:
Category : Library science
Languages : en
Pages : 372
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Book Description
