Sinestream signals are recommended for most situations. They are especially useful when
your system contains strong nonlinearities or you require highly accurate frequency
response models. The frequency-response model that results when you use a sinestream
input contains all the frequencies in the sinestream signal.
When you create your sinestream input signal, you specify parameters that determine the
total number of periods at each frequency, the number of settling periods, and the
number of estimation periods. The estimation algorithms discard response data collected
during the settling periods time frame. Doing so allows any transient responses to die out.
The algorithm uses data collected during the estimation periods to compute the estimated
frequency response.
5 Frequency Response Estimation