The applet indicates the SNR improvement obtained by multiple consecutive sampling and summing a bandwidth-limited, video signal plus noise along a pulse.
There are optimum, band shape-dependent sample rates for maximising SNR improvement.
The top centre display shows the video band shape, which can be modified by using the drop-down Video Band Shape menu and Shape Order scrollbar.
The left-hand central display shows the video noise autocorrelation function of the chosen video band shape.
The lower two graphs show the signal-to-noise improvement obtained from choices made in the Number of Samples and Sample Interval scrollbars. The lower left-hand plot indicates the SNR improvement as a function of sample interval, whereas the right-hand plot shows the improvement as a function of number of samples.
The spot indicators on the plotted curves reflect the relevant scrollbar choices providing the signal-to-noise output improvement factor displayed.
The Save and Clear buttons refer to the Data Console, either saving plot data or clearing the console, respectively.

User Notes:
To optimise the SNR improvement for a fixed-length pulse, aim for the SNRO required on the Sample Interval graph peak, then reduce the number of samples to within the required Integrated Pulse Width.
Readjust the sample interval if required. Note that the improvement peaks align with negative correlation peaks.