ABSTRACT

CHAPTER OUTLINE Level Recorder .........................................................................................................................129 Histogram ...................................................................................................................................130 Overload Display.......................................................................................................................131 Cumulative Distribution ......................................................................................................... 133

In a number of contexts it is interesting to be able to see what the signal level

has been over a longer period of time. This can be done either by plotting the

level along a time axis or by performing a statistical analysis that shows the

level distribution over a time period.