Results 61 to 70 of about 11,465 (153)

Multi-Scene Deception Jamming on SAR Imaging With FDA Antenna

IEEE Access, 2020
Most of the existing deception jamming techniques focus on designing effective jamming signals for static targets or scenes. This paper proposes a multi-scene deception jamming against synthetic aperture radar (SAR) imaging with frequency diverse array ...
Hui Wang, Shunsheng Zhang, Wen-Qin Wang, Bang Huang, Zhi Zheng, Zheng Lu   +5 more
doaj   +1 more source

Deceptive signal generating optimization based on frequency diverse array

IET Radar, Sonar & Navigation, 2022
The direction and position of the radar signals are essential information in the radar countermeasure, and with the development of the reconnaissance system, the radar is facing more severe threats.
Jiaang Ge, Junwei Xie, Chushu Chen
doaj   +1 more source

Antenna Beampattern With Range Null Control Using Weighted Frequency Diverse Array

IEEE Access, 2020
The range-angle-dependent beampattern of frequency diverse array (FDA) makes it capable of dealing with range-dependent interference, which cannot be handled by conventional phased array. However, current publications pay more attention to the dot-shaped
Yi Liao, Hu Tang, Xiaolong Chen, Wen-Qin Wang, Mengdao Xing, Zhi Zheng, Jian Wang, Qing Huo Liu   +7 more
doaj   +1 more source

The DOA location deception effect of frequency diverse array on interferometer

IET Radar, Sonar & Navigation, 2021
With advances in radar localisation, especially the emergence and development of passive localisation, there is an urgent demand for countermeasure technology.
Jiaang Ge, Junwei Xie, Bo Wang, Chushu Chen   +3 more
doaj   +1 more source

Physical limitation of range-domain secrecy using frequency diverse arrays [PDF]

, 2020
In this paper, the concept and recent development of exploiting frequency diverse array (FDA) and its variants for the physical-layer wireless security have been revisited and carefully examined.
Narbudowicz, Adam, Goussetis, George; id_orcid, Ding, Yuan; id_orcid   +2 more
core   +1 more source

A Random Subcarrier-Selection Method Based on Index Modulation for Secure Transmission

, 2022
Recently, a frequency diverse array (FDA) has been employed in an orthogonal frequency division multiplexing (OFDM) transmitter to achieve secure wireless communication without mathematical encryption.
Jiangong Chen, Shan Luan, Xia Lei, Tao Zhan   +3 more
core   +1 more source

Research on methods to enhance the survivability of AWACS with FDA against anti‐ARMs on a battlefield

IET Microwaves, Antennas & Propagation
The Airborne Warning and Control System (AWACS) are pivotal assets in aerial operations, necessitating specialised protection measures, and serving as prime targets for enemy anti‐radiation missiles (ARMs).
Bo Wang, Gang Wang, Rengnong Yang, Yonglin Li, Yu Zhao   +4 more
doaj   +1 more source

Experimental Test of Continuous Wave Frequency Diverse Array Doppler Radar

Applied Sciences
The frequency diverse array (FDA) is an antenna array architecture capable of beamforming in both range and angle. It improves upon the traditional phased array (PA), which can only achieve beamforming in angle.
Nicholas R. Munson, Bill Correll, Ram M. Narayanan, Travis D. Bufler   +3 more
doaj   +1 more source

Target Detection Performance Analysis of FDA-MIMO Radar

IEEE Access, 2019
Inspired by recent advances in frequency diverse array (FDA) and multiple-input-multiple-output (MIMO) radars, this paper investigates the target detection performance of FDA-MIMO radar, which jointly utilizes the advantages of FDA radar and MIMO radar ...
Yu Zhu, Lei Liu, Zheng Lu, Shunsheng Zhang   +3 more
doaj   +1 more source

Frequency diverse array spatial data focusing for high precision range-angle-based geocasting

, 2022
A unified frequency diverse array (FDA) and spatialdata focusing (SDF) system, or FDA-SDF, is proposed as a novelapproach to perform spatially confined broadcasting of information, i.e. geocasting.
Sarrazin, Julien S. J., Sarrazin, Julien, Molineaux, Guylian, De Doncker, Philippe, Doncker, Philippe De, Horlin, François   +5 more
core   +1 more source