[IEEE IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222) - St. Paul, MN, USA (18-21 May 1998)] IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222) - Design of broadband excitation signals with a user imposed power spectrum and amplitude distribution