Radiation characteristics of linearly phased, periodic, planar dipole arrays, which can be used as transmitting/ receiving antenna systems for HF skywave radars, are investigated. Rectangular, triangular and trapezoidal arrays are proposed in obtaining different beam shapes in the desired directions. Beam steering is achieved by adjusting the inter-element phase increments coherently. The effects of vertical array-tilt with a desired take-off angle (TOA) α are presented by a number of radiation pattern examples. The ground effect is investigated using the image theory by assuming the Earth's surface as perfectly electric conductor (PEC). Radiated fields are obtained using Floquet wave representations plus the synthetic aperture approach. Va...
This paper highlights recent developments and challenges on beam steering characteristics of reconfi...
This article presents a linear array that provides full-spherical beamsteering. A pattern-reconfigur...
International audienceThis paper deals with H.F. direction finding (DF) and calibration processing. ...
Les ondes de surface se propagent le long de la surface terrestre par-delà l'horizon et ces propriét...
The radiation characteristics of three directional radiation patterns derived from a two-bay horizon...
Phased array antennas have found wide application in both radar and wireless communications systems ...
Antenna arrays located on airplanes or other mobile platforms for satellite communication applicatio...
Array antennas are used in science as well as for commercial and military purposes. The used element...
This book focuses on determination of scattering of parallel-fed planar dipole arrays in terms of re...
A proposed design for a phased-array fed cylindrical-reflector microwave antenna would enable enhanc...
The theoretical analysis of beam-steerable, broadside-radiating Huygens dipole antenna arrays (HDAAs...
This document presents the activities carried out during the three years of my Doctorate of Philosop...
The Space Situational Awareness (SSA) program from the European Space Agency (ESA) protects Europe's...
In this contribution we investigate the flexibility of wide-scan focal plane array antennas at mmWav...
This PhD Thesis entitled, “Phased Array antenna with Dielectric Phase Shifters” presents a candidate...
This paper highlights recent developments and challenges on beam steering characteristics of reconfi...
This article presents a linear array that provides full-spherical beamsteering. A pattern-reconfigur...
International audienceThis paper deals with H.F. direction finding (DF) and calibration processing. ...
Les ondes de surface se propagent le long de la surface terrestre par-delà l'horizon et ces propriét...
The radiation characteristics of three directional radiation patterns derived from a two-bay horizon...
Phased array antennas have found wide application in both radar and wireless communications systems ...
Antenna arrays located on airplanes or other mobile platforms for satellite communication applicatio...
Array antennas are used in science as well as for commercial and military purposes. The used element...
This book focuses on determination of scattering of parallel-fed planar dipole arrays in terms of re...
A proposed design for a phased-array fed cylindrical-reflector microwave antenna would enable enhanc...
The theoretical analysis of beam-steerable, broadside-radiating Huygens dipole antenna arrays (HDAAs...
This document presents the activities carried out during the three years of my Doctorate of Philosop...
The Space Situational Awareness (SSA) program from the European Space Agency (ESA) protects Europe's...
In this contribution we investigate the flexibility of wide-scan focal plane array antennas at mmWav...
This PhD Thesis entitled, “Phased Array antenna with Dielectric Phase Shifters” presents a candidate...
This paper highlights recent developments and challenges on beam steering characteristics of reconfi...
This article presents a linear array that provides full-spherical beamsteering. A pattern-reconfigur...
International audienceThis paper deals with H.F. direction finding (DF) and calibration processing. ...