Burst spectra and AFC plot (Ps)

Use the Burst spectra and AFC plot (Ps) to analyze the frequency content of the burst pulse, and to design an optimized passband filter, to view the matched filter bandwidth after windowing function for the pulse, and to align the AFC.

This process must be done for each new pulse width that is added to the system. Vaisala weather radars have four predefined pulse widths. In their case, the Ps plot is used for fine-tuning.

You can view three alternative graphs in the display:
  • the actual spectrum of the burst signal
  • the digital filter curve computed by the RVP
  • a combination of these two