HRRPGraphNet: Make HRRPs to Be Graphs for Efficient Target Recognition

2024-07-11 · Lingfeng Chen, Xiao Sun, Zhiliang Pan, Zehao Wang, Xiaolong Su, Zhen Liu, Panhe Hu

High Resolution Range Profiles (HRRP) have become a key area of focus in the domain of Radar Automatic Target Recognition (RATR). Despite the success of deep learning based HRRP recognition, these methods needs a large amount of training samples to generate good performance, which could be a severe challenge under non-cooperative circumstances. Currently, deep learning based models treat HRRP as sequences, which may lead to ignorance of the internal relationship of range cells. This letter introduces HRRPGraphNet, whose pivotal innovation is the transformation of HRRP data into a novel graph structure, utilizing a range cell amplitude(hyphen)based node vector and a range(hyphen)relative adjacency matrix. This graph(hyphen)based approach facilitates both local feature extraction via one(hyphen)dimensional convolution layers, global feature extraction through a graph convolution layer and a attention module. Experiments on the aircraft electromagnetic simulation dataset confirmed HRRPGraphNet superior accuracy and robustness, particularly in limited training sample environments, underscoring the potential of graph(hyphen)driven innovations in HRRP(hyphen)based RATR.

📄 PDF Abstract BibTeX arXiv:2407.08236

Code (1)

MountainChenCad/HRRPGraphNet 공식 구현 pytorch

Tasks

Graph Neural Network

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