Suppression of mainbeam deceptive jammer with FDA-MIMO radar

L Lan, J Xu, G Liao, Y Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Suppression of radar-to-radar jammers, especially the mainbeam jammers, has been an
urgent demand in vehicular sensing systems with the expected increased number of …

Transceive beamforming with accurate nulling in FDA-MIMO radar for imaging

L Lan, G Liao, J Xu, Y Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Beamforming plays a crucial role in synthetic aperture radar (SAR) for interference mitigation
and ambiguity unaliasing. In this article, a series of novel beamforming methods for SAR …

Slow-time FDA-MIMO technique with application to STAP radar

C Wen, Y Huang, J Peng, J Wu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Unlike the conventional phased array, the frequency-diverse array (FDA) employs a tiny
frequency increment across the array elements, which is capable of providing range–angle …

[HTML][HTML] Control and utilization of range-dependent beampattern with waveform diverse array radars

L Lan, L Guisheng, XU Jingwei, ZHU Shengqi… - Chinese Journal of …, 2022 - Elsevier
The transmit antenna beampattern of the phased array radar is only a function of angle,
limiting its ability to discriminate the targets from the same direction. Recently, the waveform …

FDA-MIMO transmitter and receiver optimization

L Lan, M Rosamilia, A Aubry… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper addresses the joint design of the transmit parameters (ie, radar code/frequency
increments) and the receive filter in a Frequency Diverse Array (FDA)-Multiple-Input Multiple …

Mainlobe deceptive jammer suppression in SF-RDA radar: Joint transmit-receive processing

L Lan, J Xu, G Liao, S Zhu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The problem of mainlobe deceptive jammer suppression with a novel stepped frequency
(SF)-receive delay array (RDA) radar is addressed in this paper. In our system design, the …

[HTML][HTML] 基于频率分集阵列的多功能一体化波形设计与信号处理方法

兰岚, 廖桂生, 许京伟, 朱圣棋, 曾操, 张玉洪 - 雷达学报, 2022 - radars.ac.cn
频率分集阵(FDA) 是在相控阵基础上的一次体制革新, 其通过在发射天线阵元间进行频率步进,
得到的发射方向图是角度, 距离, 时间的多维函数, 显著提升了波束控制能力与信号处理维度 …

Range-ambiguous clutter suppression for STAP-based radar with vertical coherent frequency diverse array

Z Liu, S Zhu, J Xu, X He, K Duan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Forward-looking mode for moving target detection is important for airborne radar systems,
however, it is difficult to suppress the range-dependent clutter in the presence of range …

Clutter rank analysis in airborne FDA-MIMO radar with range ambiguity

K Wang, G Liao, J Xu, Y Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Frequency diverse array (FDA), which employs a small frequency increment across its array
elements to generate controllable degrees-of-freedom (DOFs) in range dimension, has …

Interference suppression method with MR-FDA-MIMO radar

Z Wu, S Zhu, J Xu, L Lan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In the conventional array radar, the suppressible interference is generally limited by the
array element number, referred to as the degree of freedom (DOF) of the array. Similarly, the …