Grating Lobe Suppression in Sparse Array-Based Ultrawideband Through-Wall Imaging Radar

The use of a sparse through-wall radar array can significantly reduce the complexity and the costs of a radar system. However, due to insufficient spatial sampling, a sparse array often suffers from strong grating lobes that seriously degrade image quality. To suppress grating lobes, we first divide...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2016, Vol.15, p.1020-1023
Hauptverfasser:	Tu, Xin, Zhu, Guofu, Hu, Xikun, Huang, Xiaotao
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Aperture difference Apertures Arrays cross-correlation grating lobe suppression Gratings Image edge detection Imaging Radar imaging
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