Results 41 to 50 of about 11,465 (153)
, 2022 A Frequency Diverse Array (FDA), developed innovatively based on phased array radar, can obtain an angle-range-time-dependent multidimensional transmit beampattern by modulating frequencies across different transmit antenna elements, which considerably ...
Guisheng LIAO +5 more
core +1 more source
Electronics Letters, 2023 The range‐angle coupling characteristics of traditional frequency diverse array (FDA) will deteriorate target localization performance. To address this problem, several decoupling methods for FDA have been developed in the past decade, mainly including ...
Mengxuan Xiao +4 more
doaj +1 more source
SVD-Aided Multi-Beam Directional Modulation Scheme Based on Frequency Diverse Array
, 2019 With the assistance of singular value decomposition (SVD), a multi-beam directional modulation (DM) scheme based on symmetrical multi-carrier frequency diverse array (FDA) is proposed.
Cheng, Qian +4 more
core +1 more source
AIP Advances, 2023 By employing a tiny frequency offset across the array elements, a frequency diverse array (FDA) produces a beampattern with the property of being range-angle-dependent.
Ming Tan +4 more
doaj +1 more source
FDA-MIMO Beampattern Synthesis with Hamming Window Weighted Linear Frequency Increments
International Journal of Aerospace Engineering, 2020 By utilizing a tiny frequency increment across the array elements, frequency diverse array (FDA) generates a beampattern possessing the property of range-angle-dependent.
Ming Tan +4 more
doaj +1 more source
Transmitting strategy with high degrees of freedom for pulsed‐coherent FDA radar
IET Radar, Sonar & Navigation, 2022 Multidimensional and flexible radar resource transmission in time, frequency and space domains is strongly demanded for advanced digital array radar to meet the challenging observation requirements.
Lei Yu, Feng He, Yi Su, Zhen Dong
doaj +1 more source
Examination of target RCS characteristics in FDA radars
, 2014 This paper reports on the preliminary analysis of frequency diverse array (FDA) radars for simple target geometries. The radar system employs an FDA and a isotropic element as the transmitter and receiver antennas, respectively, and illuminates a target ...
Cetintepe, Cagri +3 more
core +1 more source
UAV Deployment Optimization for Secure Precise Wireless Transmission
, 2023 This paper develops an unmanned aerial vehicle (UAV) deployment scheme in the context of the directional modulation-based secure precise wireless transmissions (SPWTs) to achieve more secure and more energy efficiency transmission, where the optimal UAV ...
Lichuan Gu +5 more
core +1 more source
Tangent hyperbolic circular frequency diverse array radars
The Journal of Engineering, 2016 Frequency diverse array (FDA) with uniform frequency offset (UFO) has been in spot light of research for past few years. Not much attention has been devoted to non-UFOs in FDA. This study investigates tangent hyperbolic (TH) function for frequency offset
Sarah Saeed +3 more
doaj +1 more source
, 2021 A Frequency Diverse Array (FDA) radar achieves the uniform coverage of a large-scale airspace within a pulse duration by introducing a designed carrier frequency increment between adjacent transmitting elements.
Lei YU +5 more
core +1 more source