radar cross section hfss

Hi;

I want know , how I must do to simulate (the radar cross section RCS) for any

target (rectangle, box, sphere,...) with HFSS v9.0, I want know the steps that I

must fellow to simulate RCS ?

thank you for your interest to my probleme

Email: moncef.amara@caramail.com
or: El_bouni@yahoo.fr