The design and fabrication of microstrip omnidirectional array antennas for aerospace applications [PDF]
A microstrip antenna design concept was developed that will provide quasi-omnidirectional radiation pattern characteristics about cylindrical and conical aerospace structures. L-band and S-band antenna arrays were designed, fabricated, and, in some cases,
Appleton, M. W. +2 more
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A Broadband Single-Feed Circularly Polarized Patch Antenna with Wide Beamwidth
A broadband single-feed circularly polarized patch antenna with wide beamwidth is presented. The patch is coupled to four asymmetric cross slots via a microstrip ring with eight matching segments underneath the ground plane, traversing through the arms ...
Changhong Zhang +4 more
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High-gain self-steering microwave repeater, volume 1 Final engineering report, Jan. 1966 - Apr. 1969 [PDF]
Engineering model of high gain self steering microwave transponder and application to satellite communication ...
Birgenheier, R. A., Kummer, W. H.
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Coplanar waveguide feeds for phased array antennas [PDF]
The design and performance is presented of the following Coplanar Waveguides (CPW) microwave distribution networks for linear as well as circularly polarized microstrip patches and dipole arrays: (1) CPW/Microstrip Line feed; (2) CPW/Balanced Stripline ...
Lee, Richard Q., Simons, Rainee N.
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Antennas for mobile satellite communications [PDF]
A NASA sponsored program, called the Mobile Satellite (MSAT) system, has prompted the development of several innovative antennas at L-band frequencies. In the space segment of the MSAT system, an efficient, light weight, circularly polarized microstrip ...
Huang, John
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Performance optimization of microstrip antenna array using frequency selective surfaces
This paper presents the application of frequency selective surfaces in antenna arrays as an alternative to improve radiation parameters of the array.
Valdez A. Almeida Filho +1 more
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Passive Microstrip Transmitarray Lens for Ku Band [PDF]
The aim of this paper is to introduce a novel 12 GHz radiating design based on the idea of transmitarray lens device. In this document, an overview of the functioning of this kind of devices is given and the proposed transmitarray lens is studied, with ...
Muñoz Acevedo, Alfonso +2 more
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Microstrip antenna has been recently one of the most innovative fields of antenna techniques. The main advantage of such an antenna is the simplicity of its production, little weight, a narrow profile, and easiness of integration of the radiating ...
Janusz Dudczyk, Adam Kawalec
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Genetic Algorithm Optimization of a High-Directivity Microstrip Patch Antenna Having a Rectangular Profile [PDF]
A single high-directivity microstrip patch antenna (MPA) having a rectangular profile, which can substitute a linear array is proposed. It is designed by using genetic algorithms with the advantage of not requiring a feeding network.
Anguera, J. +2 more
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A Novel Design Approach to X-Band Minkowski Reflectarray Antennas using the Full-Wave EM Simulation-based Complete Neural Model with a Hybrid GA-NM Algorithm [PDF]
In this work, a novel multi-objective design optimization procedure is presented for the Minkowski Reflectarray RAs using a complete 3-D CST Microwave Studio MWS-based Multilayer Perceptron Neural Network MLP NN model including the substrate constant εr ...
Demirel, S., Guneş, F., NESİL, S.
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