Results 21 to 30 of about 2,523,034 (280)

Adaptive target detection against spatially correlated compound-Gaussian clutter with multivariate inverse Gaussian texture

open access: yesThe Journal of Engineering, 2019
To improve the detection performance in the presence of target-steering vector mismatches, a novel robust adaptive matched filter (AMF) detector for compound Gaussian clutter is proposed.
Xiaolin Zhang, Liang Yan, Quanhua Liu
doaj   +1 more source

Null Broadening Robust Adaptive Beamforming Algorithm Based on Power Estimation

open access: yesSensors, 2022
In order to solve the problem of severely decreased performance under the situation of rapid moving sources and unstable array platforms, a null broadening robust adaptive beamforming algorithm based on power estimation is proposed in this paper.
Zhenhua Yu   +4 more
doaj   +1 more source

Robust adaptive beamforming method for large-scale array with automatic diagonal loading and steering vector estimation

open access: yesThe Journal of Engineering, 2019
Here, the authors propose a novel robust adaptive beamforming method, which is robust to both of the covariance matrix mismatch and the steering vector estimation mismatch.
Lei Yu   +3 more
doaj   +1 more source

Covariance matrix reconstruction and steering vector estimation for robust adaptive transmit/receive beamforming in full phased‐MIMO radar

open access: yesElectronics Letters, 2021
The hybrid phased multiple‐input‐multiple‐output (MIMO) radar with subarray partition can provide the transmit coherent gain of phased array and the waveform diversity of MIMO radar. The current researches mainly focus on the different subarray partition
J. Lu, J. Yang, B. Hou, F. Zhu, G. Liu
doaj   +1 more source

Robust adaptive beamforming method based on desired signal steering vector estimation and interference-Plus-noise covariance matrix reconstruction

open access: yesThe Journal of Engineering, 2019
Here, the authors propose a robust adaptive beamforming method based on desired signal steering vector estimation and interference-plus-noise covariance matrix reconstruction, so as to attenuate the influences of the desired signal steering vector ...
Junsheng Huang, Hongtao Su, Yang Yang
doaj   +1 more source

Robust Mainlobe Interference Suppression Based on Joint Oblique Projection for Dual Polarization Conformal Array

open access: yesInternational Journal of Antennas and Propagation, 2023
In this paper, a robust mainlobe interference suppression algorithm is proposed in a space-polarization joint domain based on a dual-polarized conformal array. An oblique projection filter can eliminate the interference while retaining the desired signal
Chao Liu   +3 more
doaj   +1 more source

Robust Capon Beamforming against Steering Vector Error Dominated by Large Direction-of-Arrival Mismatch for Passive Sonar

open access: yesJournal of Marine Science and Engineering, 2019
Capon beamforming is often applied in passive sonar to improve the detectability of weak underwater targets. However, we often have no accurate prior information of the direction-of-arrival (DOA) of the target in the practical applications of passive ...
Yu Hao, Nan Zou, Guolong Liang
doaj   +1 more source

A Novel Unitary ESPRIT Algorithm for Monostatic FDA-MIMO Radar

open access: yesSensors, 2020
A novel unitary estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithm, for the joint direction of arrival (DOA) and range estimation in a monostatic multiple-input multiple-output (MIMO) radar with a frequency diverse ...
Feilong Liu   +5 more
doaj   +1 more source

Robust Rank Reduction Algorithm with Iterative Parameter Optimization and Vector Perturbation

open access: yesAlgorithms, 2015
In dynamic propagation environments, beamforming algorithms may suffer from strong interference, steering vector mismatches, a low convergence speed and a high computational complexity.
Peng Li, Jiao Feng, Rodrigo C. de Lamare
doaj   +1 more source

A Robust STAP Method Based on Alternating Projection and Clutter Cancellation

open access: yesIEEE Access, 2019
Space-time steering vector mismatch of targets usually happens in the space-time adaptive processing (STAP) technique, causing space-time beam distortion. Due to the effects of clutter spectrum broadening and jamming, performance of the conventional STAP
Ningkang Chen, Ping Wei, Xiaoyu Ai
doaj   +1 more source

Home - About - Disclaimer - Privacy