Co Co Co

Example 12. Using Table 6.6, calculate S/N and psophometrically weighted noise in a FDM/FM derived voice channel for a 972-channel system. First use equation (6.34) to calculate S/N and then equation (6.35) to calculate the noise in pWp. Use the value fr for rms test tone deviation, fm for the maximum baseband frequency, and BIF for the allocated satellite bandwidth.

Example 12. Using Table 6.6, calculate S/N and psophometrically weighted noise in a FDM/FM derived voice channel for a 972-channel system. First use equation (6.34) to calculate S/N and then equation (6.35) to calculate the noise in pWp. Use the value fr for rms test tone deviation, fm for the maximum baseband frequency, and BIF for the allocated satellite bandwidth.

The emphasis improvement may be taken from Figure 2.15. C/N is 17.8 dB

in this case:

0 0

Post a comment