Improved Resolution and Reduced Clutter in Ultra-Wideband Microwave Imaging Using Cross-Correlated Back Projection: Experimental and Numerical Results

Table 1

FWHM and SCR for different imaging methods in numerical test scenario.

Method	SCR (dB)	FWHM𝑥 (mm)	FWHM𝑦 (mm)
Delay-and-sum	19.1	6.3	2.8
Dual cross-correlation	28.0	2.9	2.6
Triple cross-correlation	30.0	2.9	2.5