Results 201 to 210 of about 560 (237)
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Sea Clutter Suppression using EMD-SVD- FRFT Filtering
2019 International Conference on Control, Automation and Information Sciences (ICCAIS), 2019Sea clutter suppression is one of the major measures to improve target detection from sea clutter. Singular value decomposition-fractional Fourier transform (SVD-FRFT) filtering is conducted to suppress sea clutter without impairing the target even when the target and first-order sea clutter are mixed in the Doppler spectrum.
Wenguang Wang, Cheng Chen, Yilin Wang
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Research of Sea Clutter Suppression Algorithm Based on GPU
Applied Mechanics and Materials, 2012This paper presents an algorithm of sea clutter suppression using graphics processing unit (GPU) to meet the real-time requirement in the general radar terminal system. The main idea is to convert an infinite impulse response (IIR) filter to a finite impulse response (FIR) filter, which is suitable for the parallelization processing of GPU.
Yan Guo, Shi Dan Li, De Sheng Wang
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A machine learning approach to radar sea clutter suppression
2017 IEEE Radar Conference (RadarConf), 2017The radar detection of small maritime targets requires special attention to the suppression of sea clutter returns that, in certain circumstances, may be difficult to discriminate from target returns. In this paper, the novel use of machine learning techniques is explored to address this familiar problem.
D. Callaghan, J. Burger, Amit K Mishra
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IEEE Transactions on Geoscience and Remote Sensing
Zihao Zou, Jingtao Ma, Penghui Huang
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Zihao Zou, Jingtao Ma, Penghui Huang
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Sea Clutter Suppression Based on Selective Reconstruction of Features
2019 6th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), 2019This paper presents a sea clutter suppression (SCS) method for single-channel maritime radar based on a deep Convolutional Neural Network (SCS-CNN), which consists of an encoder and a decoder. First, the encoder is used to extract depth features of the original Range-Doppler spectrum obtained from sub-aperture echoes.
Liwu Wen +3 more
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A Novel Sea Clutter Suppression Method based on Neural Network
2021 IEEE 4th International Conference on Electronic Information and Communication Technology (ICEICT), 2021In order to suppress sea clutter effectively, it is necessary to estimate the center and width of the power spectrum of sea clutter accurately. Since the complex property of sea clutter, traditional methods cannot estimate the accurate parameters of power spectrum of sea clutter, which leads to the decrease of the clutter suppression performance.
Yifei Fan +5 more
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An Improved Oblique Projection Method for Sea Clutter Suppression in Shipborne HFSWR
IEEE Geoscience and Remote Sensing Letters, 2016Sea clutter has a major impact on the detection performance of a shipborne high-frequency surface wave radar (HFSWR) system. Due to the platform motion of shipborne HFSWR, the Doppler spectrum of the first-order sea clutter suffers from some broadening so that the targets submerged in this broadening Doppler spectrum can be hardly detected.
Chunlei Yi +4 more
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Suppression of Sea-ice Clutter Observed by a Millimeter Wave Radar
International Journal of Infrared and Millimeter Waves, 2007Sea-ice clutter was measured using a millimeter wave radar (MWR) with a frequency of 34.86 GHz, the beamwidth of 0.25° and pulsewidth of 30 ns which is located at Mombetsu in Hokkaido, Japan. In this paper, targets are an iron tower and a breakwater which are embedded in sea-ice clutter.
S. I. Hwang +3 more
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Suppression of Sea Clutter of Skywave Radar Based on AR Model
Applied Mechanics and Materials, 2012The prediction of chaotic time sequence based on AR model is studied. The forming mechanism of the first-order Bragg lines of sea clutter is analyzed. According to the signal characteristic of sea clutter, a sea clutter time sequence predictor and a skywave radar sea clutter suppression system based on AR model are presented.
X H Zhang, W Sheng, S H Liu
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Research on Sea Clutter Suppression Using Sparse Dictionary Learning
2019 IEEE 8th Joint International Information Technology and Artificial Intelligence Conference (ITAIC), 2019Due to the interference of the strong sea clutter, it’s difficult to detect marine weak targets and clutter attenuation is the key to improve detection performance. A sea clutter suppression method based on sparse dictionary learning was proposed to attenuate sea clutter and thus enhance the detection performance.
Ziwei Dong +3 more
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