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eess.SP2024
Frequency analysis and filter design for directed graphs with polar decomposition
Semin Kwak, Laura Shimabukuro, Antonio Ortega
In this study, we challenge the traditional approach of frequency analysis on directed graphs, which typically relies on a single measure of signal variation such as total variatio…
eess.SP2018★ 9 cited
Monopulse beam synthesis using a sparse single-layer of weights
Semin Kwak, Joohwan Chun, Sung Hyuck Ye
A conventional monopulse radar system uses three beams; sum beam, elevation difference beam and azimuth difference beam, which require different layers of weights to synthesize eac…