R&S ESU Series Operating Manual page 128

R&S ESU
Fig. 4.30 Zero span of a pulsed signal (single or low PRF)
Fig. 4.31 APD of a pulsed signal (single or low PRF)
Next, let us consider the case that the repetition frequency of the impulse increases
as shown in
value than
log-average value (X
4.30. This is because the log-average value mainly depends on the receiver noise
and strongly suppresses impulsive noise in this case. But the APD of the distur-
bance, shown in
Clearly the probability presented in
4.31.
Operating Manual 1302.6163.12 - 03
Fig. 4.32. The disturbance shown in
Fig. 4.30 because of the increasing pulse repetition frequency, but the
) of Fig. 4.32
avg
Fig. 4.33, has high sensitivity to variation in the average value.
Fig. 4.32
does not show any difference from that of
Fig. 4.33 increases when compared with
Instrument Functions
APD Mode
has a higher average
Fig.
Fig.
4.97