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Open AccessArticle

A Neural Network with Convolutional Module and Residual Structure for Radar Target Recognition Based on High-Resolution Range Profile

Coast Defense College, Naval Aviation University, Yantai 264001, China
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Sensors 2020, 20(3), 586; https://doi.org/10.3390/s20030586
Received: 14 December 2019 / Revised: 17 January 2020 / Accepted: 19 January 2020 / Published: 21 January 2020
(This article belongs to the Special Issue Remote Sensing in Vessel Detection and Navigation)
In the conventional neural network, deep depth is required to achieve high accuracy of recognition. Additionally, the problem of saturation may be caused, wherein the recognition accuracy is down-regulated with the increase in the number of network layers. To tackle the mentioned problem, a neural network model is proposed incorporating a micro convolutional module and residual structure. Such a model exhibits few hyper-parameters, and can extended flexibly. In the meantime, to further enhance the separability of features, a novel loss function is proposed, integrating boundary constraints and center clustering. According to the experimental results with a simulated dataset of HRRP signals obtained from thirteen 3D CAD object models, the presented model is capable of achieving higher recognition accuracy and robustness than other common network structures. View Full-Text
Keywords: neural network; target recognition; HRRP; residual structure; loss function neural network; target recognition; HRRP; residual structure; loss function
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Fu, Z.; Li, S.; Li, X.; Dan, B.; Wang, X. A Neural Network with Convolutional Module and Residual Structure for Radar Target Recognition Based on High-Resolution Range Profile. Sensors 2020, 20, 586.

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