Fig. 4
From: Enhanced range doppler mapping algorithm for passive GNSS based radar aerial target detection

Simulation results of the RDM noise reduction algorithm. (a) B2 signal before noise reduction, (b) B2 signal after noise reduction.
From: Enhanced range doppler mapping algorithm for passive GNSS based radar aerial target detection

Simulation results of the RDM noise reduction algorithm. (a) B2 signal before noise reduction, (b) B2 signal after noise reduction.