Fig. 9
From: Enhanced range doppler mapping algorithm for passive GNSS based radar aerial target detection

RDM generated by GPS signal after noise reduction. (a) Original RDM, (b) 3D RDM.
From: Enhanced range doppler mapping algorithm for passive GNSS based radar aerial target detection

RDM generated by GPS signal after noise reduction. (a) Original RDM, (b) 3D RDM.