User manual
Code: ENIGMA III User Manual
Edition: 1 Revision: 4
Date: 19/12/2008
Page: 15/97
In the above shown examples the clutter has been removed by time domain filtering. They show strong 
attenuation in the weather at zero velocities.
The  same weather  situation  using frequency domain  filtering. The  difference  and  the advantage  of 
frequency domain filtering in respect to time domain filtering is quite obvious.
GAMIC Proprietary
Illustration 5: PPI-Z Pulse Pair 
Processing
Illustration 4: PPI-V pulse Pair 
Processing
Illustration 7: PPI-Z DFT Processing
Illustration 6: PPI-V DFT Processing










