Results 21 to 30 of about 360 (148)

Precision Imaging of Frequency Stepped SAR with Frequency Domain Extracted HRRP and Fast Factorized Back Projection Algorithm [PDF]

open access: yesInternational Journal of Antennas and Propagation, 2017
Novel frequency domain extracted method (FDEM) to obtain high range resolution profile (HRRP) for frequency stepped synthetic aperture radar (SAR) is proposed in this paper, and the mathematical principle and formulas of this new HRRP obtaining idea ...
Can-bin Yin, Da Ran
doaj   +2 more sources

Space Target Tracking with the HRRP Characteristic-Aided Filter via Space-Based Radar [PDF]

open access: yesRemote Sensing, 2023
Approaching space target tracking is a typical and challenging mission in the space situational awareness (SSA) field. As the space-based radar is able to monitor the space targets of interest full-weather all-time, the space-based radar system is ...
Shuyu Zheng   +4 more
doaj   +2 more sources

Radar HRRP Modeling using Dynamic System for Radar Target Recognition [PDF]

open access: yesRadioengineering, 2014
High resolution range profile (HRRP) is being known as one of the most powerful tools for radar target recognition. The main problem with range profile for radar target recognition is its sensitivity to aspect angle. To overcome this problem, consecutive
A. Ajorloo   +3 more
doaj   +1 more source

Scattering Mechanism Identification Based on Polarimetric HRRP of Manmade Target [PDF]

open access: yesLeida xuebao, 2016
In this paper, we analyze the space polarization and frequency dispersion characteristics of the polarimetric High Resolution Range Profile (HRRP) of manmade targets.
Wu Jiani   +4 more
doaj   +2 more sources

HRRPGraphNet++: Dynamic Graph Neural Network with Meta-Learning for Few-Shot HRRP Radar Target Recognition [PDF]

open access: yesRemote Sensing
High-Resolution Range Profile (HRRP) radar recognition suffers from data scarcity challenges in real-world applications. We present HRRPGraphNet++, a framework combining dynamic graph neural networks with meta-learning for few-shot HRRP recognition.
Lingfeng Chen   +3 more
doaj   +2 more sources

Dual-band polarimetric HRRP recognition via a brain-inspired multi-channel fusion feature extraction network. [PDF]

open access: yesFront Neurosci, 2023
Radar high-resolution range profile (HRRP) provides geometric and structural information of target, which is important for radar automatic target recognition (RATR).
Yang W   +5 more
europepmc   +3 more sources

Limited Sample Radar HRRP Recognition Using FWA-GAN [PDF]

open access: yesRemote Sensing
In radar High-Resolution Range Profile (HRRP) target recognition, the targets of interest are always non-cooperative, posing a significant challenge in acquiring sufficient samples.
Yiheng Song, Liang Zhang, Yanhua Wang
doaj   +2 more sources

An Interpretable Target-Aware Vision Transformer for Polarimetric HRRP Target Recognition with a Novel Attention Loss [PDF]

open access: yesRemote Sensing
Polarimetric high-resolution range profile (HRRP), with its rich polarimetric and spatial information, has become increasingly important in radar automatic target recognition (RATR).
Fan Gao   +5 more
doaj   +2 more sources

MSDP-Net: A Multi-Scale Domain Perception Network for HRRP Target Recognition [PDF]

open access: yesRemote Sensing
High-resolution range profile (HRRP) recognition serves as a foundational task in radar automatic target recognition (RATR), enabling robust classification under all-day and all-weather conditions.
Hongxu Li   +4 more
doaj   +2 more sources

Intelligent radar HRRP target recognition based on CNN-BERT model

open access: yesEURASIP Journal on Advances in Signal Processing, 2022
Stable and reliable feature extraction is crucial for radar high-resolution range profile (HRRP) target recognition. Owing to the complex structure of HRRP data, existing feature extraction methods fail to achieve satisfactory performance.
Penghui Wang   +4 more
doaj   +1 more source

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