Results 51 to 60 of about 716,699 (142)
Design and Simulation of a Broad Band Retrodirective Array Element
In this paper, a novel dual-polarized antenna fed by microstrip line for retrodirective array is presented. The star-shaped patch is used to reduce the mutual coupling among array elements; also bandwidth can be enhanced by choosing stacked patch.
Li Ye Fang, Jian Hua Zhang, Feng Ge Hu
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Two-dimensional planar passive retrodirective array
A simple passive microstrip array design is introduced comprising four square microstrip patches interconnected with transmission lines to form a Van-Atta retrodirective array suitable as a building block in a larger two-dimensional self-tracking array ...
Fusco, Vincent; id_orcid, Nair, Binoy
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Circular Array Retrodirective Action Using a Rotman Lens Beamformer
We present the first use of a circular array for retrodirection covering full 360°. In particular, we discuss the attributes of the circular array when combined with Rotman beam forming.
Fusco, Vincent; id_orcid +2 more
core +2 more sources
This article proposes and demonstrates a retrodirective array (RDA) for two-way wireless communication with automatic beam tracking. The proposed RDA is enabled by specifically designed chips made using a domestic complementary metal-oxide semiconductor (
Jiacheng Guo +4 more
doaj +1 more source
Active Retrodirective Rotman Lens Antenna for Wide-Angle RCS Enhancement
This paper presents measurement results and analysis of an innovative active retrodirective Rotman lens antenna architecture, designed to enhance the radar cross-section (RCS) for backscattering applications.
Hanieh Kiani Amiri, Michal Okoniewski
doaj +1 more source
Frequency offset retrodirective antenna array
A new architecture for the Van Atta self-steering array is presented. Active antenna techniques are used to realise a compact self-steering array with enhanced retrodirective properties. The experimental performance of the array is demonstrated and a technique is described which compensates for the beam pointing error induced by antenna array element ...
S.L. Karode, V.F. Fusco
openaire +1 more source
Investigations of Retrodirective Array Transponders.
Retrodirective arrays, when illuminated by an interrogator signal, transmit a signal back towards the interrogator in the same direction as the incoming signal, without any prior knowledge of the source direction.
Shah, Rachana
core
Successfully achieving the mission of the unmanned aerial vehicle (UAV) requiring a high gain data link between the UAV and the ground control station (GCS).
Alaa Nadim Salman +2 more
doaj
The implementation of wide angle and UWB retrodirective linear Van Atta array
This paper presents the design, fabrication, and experimental validation of a broadband 1×16 Van Atta reflector array based on compact antipodal Vivaldi antennas.
Mahdi Rahanandeh +2 more
doaj +1 more source
In the first part of this thesis a basic theory of retrodirective antenna arrays and their particular parts – antennas and mixers is summarized. Further, there is a basic summary of possibilities for an usage of retrodirective antenna arrays for an ...
Šindler, Pavel
core

