Prospects of application of Wigner distribution for unknown radar signals recognition
- 1 Ph.D. (Eng.), Senior Research Scientist, JSC «Concern «VEGA»
Keywords:
Wigner TransformWigner DistributionTime-Frequency Distribution (TFD)Short-time Fourier Transform (STFT)spectrogramLFMrecognitionradar signals
Abstract
The Wigner Distribution is attractive for recognition of unknown radar signals because of its high spectral resolution to instantaneous frequency of LFM signal. The problem of recognition of unknown radar signals may be simplified by detection of triangles in surface of Wigner Distribution. Input signal is recommended to slice in time and compute Wigner Distribution of each slice separately to reduce number of cross terms. The Wigner Distribution is recommended to compute with Short-time Fourier Transform together.
How to cite
Евсиков М.В. Перспективы применения преобразования Вигнера для распознавания неизвестных радиолокационных сигналов // Успехи современной радиоэлектроники. 2015. № 5. С. 36–42.
References
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