Detection of non-stationary GW signals in high noise from Cohen's class of time–frequency representations using deep learning
Analysis of non-stationary signals in a noisy environment is a challenging research topic in
many fields often requiring simultaneous signal decomposition in the time and frequency …
many fields often requiring simultaneous signal decomposition in the time and frequency …
Structured low-rank and sparse method for ISAR imaging with 2-D compressive sampling
With the development of modern advanced radar, there are high demands to perform
inverse synthetic aperture radar (ISAR) imaging from sparse frequency band (SFB) and …
inverse synthetic aperture radar (ISAR) imaging from sparse frequency band (SFB) and …
[HTML][HTML] 稳健高效通用SAR 图像稀疏特征增强算法
杨磊, 李埔丞, 李慧娟, 方澄 - 电子与信息学报, 2019 - jeit.ac.cn
针对合成孔径雷达(SAR) 成像中的稀疏特征增强问题, 传统方法难以在精度与效率之间实现有效
的平衡. 该文提出基于复数交替方向多乘子方法(C-ADMM), 针对SAR 稀疏特征增强建立增广的 …
的平衡. 该文提出基于复数交替方向多乘子方法(C-ADMM), 针对SAR 稀疏特征增强建立增广的 …
[HTML][HTML] 基于分层贝叶斯Lasso 的稀疏ISAR 成像算法
杨磊, 夏亚波, 毛欣瑶, 廖仙华, 方澄, 高洁 - 电子与信息学报, 2021 - jeit.ac.cn
逆合成孔径雷达(ISAR) 目标回波具有明显的稀疏特征, 传统的凸优化稀疏ISAR
成像算法涉及繁琐的正则项系数调整, 严重限制了超分辨成像的精度及便捷程度. 针对此问题 …
成像算法涉及繁琐的正则项系数调整, 严重限制了超分辨成像的精度及便捷程度. 针对此问题 …
Compressive synthetic aperture radar imaging and autofocusing by augmented Lagrangian methods
We consider the problem of synthetic aperture radar (SAR) image reconstruction from
undersampled data in the presence of phase errors. We formulate the problem as one of …
undersampled data in the presence of phase errors. We formulate the problem as one of …
Sparsity-based time-frequency representation of FM signals with burst missing samples
In this paper, we present an effective time-frequency (TF) analysis of non-stationary
frequency modulated (FM) signals in the presence of burst missing data samples. The key …
frequency modulated (FM) signals in the presence of burst missing data samples. The key …
Ground maneuvering target detection based on discrete polynomial-phase transform and Lv's distribution
W Yu, W Su, H Gu - Signal Processing, 2018 - Elsevier
In a synthetic aperture radar (SAR) system, prolonging the integration time can improve the
detection performance of the ground moving target. However, the complex motions of the …
detection performance of the ground moving target. However, the complex motions of the …
Superresolution composite SAR imaging method by hierarchical pattern with attributed scattering priors
Compared with the ideal point scattering model, the attributed scattering center (ASC) model
provides concise and physically relevant description of the man-made targets, such as the …
provides concise and physically relevant description of the man-made targets, such as the …
PnP-Based ground moving target imaging network for squint SAR and sparse sampling
H Zhang, J Ni, C Zhang, Y Luo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
As a result of residual phase error caused by motion parameters, ground moving targets
(GMTs) are defocused and displaced in conventional synthetic aperture radar (SAR) …
(GMTs) are defocused and displaced in conventional synthetic aperture radar (SAR) …
A SAR Imaging Method for Walking Human Based on mωka-FrFT-mmGLRT
Synthetic aperture radar (SAR) human-imaging technology has been widely used in the
fields of security screening and activity recognition. However, most of the existing methods …
fields of security screening and activity recognition. However, most of the existing methods …