Results 61 to 70 of about 772 (178)

Range Ambiguous Clutter Rank Estimation in Airborne Element‐Pulse Coding‐Multiple‐Input Multiple‐Output Radar

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This paper analyzes the clutter rank under range ambiguity in EPC‐MIMO radar. ABSTRACT Space‐time adaptive processing (STAP) with element‐pulse coding (EPC)‐multiple‐input multiple‐output (MIMO) radars is capable of suppressing range ambiguous clutter in airborne radar fields. However, clutter rank has not been investigated in EPC‐MIMO radars, which is
Di Song   +5 more
wiley   +1 more source

FDA-MIMO Beampattern Synthesis with an Analytical Method

open access: yesInternational Journal of Aerospace Engineering, 2021
Since the beampattern has the characteristics of range-angle dependence, frequency diverse array multiple-input multiple-output (FDA-MIMO) radar has a good application prospect.
Changlin Zhou   +5 more
doaj   +1 more source

Joint Decoupling Optimization of Frequency Offsets and Array Elements for Frequency Diverse Arrays

open access: yesInternational Journal of Antennas and Propagation, Volume 2026, Issue 1, 2026.
Frequency diverse array (FDA) has a distance‐angle–dependent beam direction map, which has a greater application advantage than phased array. However, due to the distance‐angle coupling and periodicity of its beam direction map, it makes the parameter information of the target obtained through FDA have ambiguous phenomena. Currently, researchers mostly
Yuming Lu   +5 more
wiley   +1 more source

Waveform and Weight Vector Design for Anti‐Reconnaissance Based on FDA

open access: yesIET Microwaves, Antennas &Propagation, Volume 19, Issue 1, January/December 2025.
This paper proposes an anti‐reconnaissance waveform and weight vector design method for frequency diverse array (FDA). The theoretical analysis and simulation results show that the proposed method can affect reconnaissance aircraft estimation compared to other radars and methods.
Mingjie Liu   +5 more
wiley   +1 more source

Cognitive MIMO Frequency Diverse Array Radar with High LPI Performance

open access: yesInternational Journal of Antennas and Propagation, 2016
Frequency diverse array (FDA) has its unique advantage in realizing low probability of intercept (LPI) technology for its dependent beam pattern. In this paper, we proposed a cognitive radar based on the frequency diverse array multiple-input multiple ...
Ling Huang   +3 more
doaj   +1 more source

Time-Range FDA Beampattern Characteristics

open access: yes, 2022
Current literature show that frequency diverse arrays (FDAs) are able of producing range-angle-dependent and time-variant transmit beampatterns, but the resulting time and range dependencies and their characteristics are still not well understood.
Jakobsson, Andreas   +2 more
core  

Joint Optimal Allocation of Resources for Multiple Jammer Based on Multi‐Agent Deep Reinforcement Learning

open access: yesIET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.
In response to the complex scenario where multiple jammers navigate through a netted radar system (NRS), this study introduces an optimised allocation algorithm for cooperative jamming resources (MJCJRA), grounded in multi‐agent deep reinforcement learning.
Jieling Wang   +4 more
wiley   +1 more source

Sea Clutter Suppression by Atomic Norm Minimisation in Frequency Diverse Array‐Space‐Time Adaptive Processing Radar Under Range Ambiguity

open access: yesIET Radar, Sonar &Navigation, Volume 19, Issue 1, January/December 2025.
Space‐time adaptive processing (STAP) is a useful approach to address sea clutter suppression. This paper studies to introduce atomic norm minimisation (ANM) into FDA‐STAP to enhance range ambiguous clutter suppression. ABSTRACT Sea clutter suppression is a hot topic for airborne radar.
Zhao Wang   +4 more
wiley   +1 more source

Improved MUSIC Method against Range Dimension Deceptive Jamming Based on FDA-MIMO

open access: yesApplied Sciences, 2022
Frequency diverse array-multiple-input multiple-output (FDA-MIMO) radar makes it transmit beam range–angle two-dimensional freedom by attaching a small frequency offset increment between the array elements.
Yang Chen   +4 more
doaj   +1 more source

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

open access: yes, 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.
Ding, Yuan   +2 more
core   +1 more source

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