Wavecom W61PC V7.5.0 - Manual (Page 79)

WAVECOM Decoder W61PC/LAN Manual V7.5 Analysis Tools  69
The highest and lowest tone of the signal is selected with the right and left cursor. The precision of the
center frequency is very important and directly influences the performance of the decoder.
After every change, the center frequency and shift are automatically updated.
Options can be set using the right mouse button or the context menu (see “ FFT / Sonagram Context
Menu ” on page 59). It is possible to remove the tuning FFT or Sonagram in the View Menu.
Tuning PSK Signals
The upper and lower frequency boundaries of the signal is selected with the right and left cursor. With the
center cursor, the center frequency may be set more precisely. The precision of the center frequency
is very important and directly influences the performance of the decoder.
After every change, the center frequency is automatically updated and the bandwidth of the signal is set
according to the received mode.
Options can be set using the right mouse button or the context menu (see “ FFT / Sonagram Context
Menu ” on page 59). It is possible to remove the tuning FFT or Sonagram in the View Menu.
FFT and Sonagram
This analysis tool combines real-time FFT and sonagram analysis modes.
Detailed information for each of the analysis tools can be found in the corresponding descriptions, see
“
FFT ” on page 67 and “ Sonagram ” on page 70.