A Display Simulator for Computer-Aided Systems
R. H. Prager · IRE Transactions on Instrumentation · 1961
' ~~~~ultimate goaliiiaysometimes bethought ofas dis- whichprepare theinputs forprocessing. Signal Process-pensing withdisplays andhumansandletting thecom- ingattempts toseparate thedesired input information putermakeallthedecisions, itisfoundprofitable in fromn theever-present background interference; e.g., mostsystems toretain thehumanelement andan randomnoise, clutter (orreverberation), andjammingattempt ismadetointegrate itintotheover-all design. signials. Thispredetection processing, sometimes calledThere isacontinuing need, therefore, fordisplay sys- signal enhancement, isaccomplished bymatched-temswhich aresufficiently flexible topermit their useas filtering, autocorrelation, cross-correlation, etc.Data simulators aswellasoperational displays. Suchdis- Processing selects events bymeansofasetofappro-plays maybeusedtotestsystemoperation andcheck priate criteria (applied byacomputer and,perhaps, by ' ' ~~out display concepts, tomonitor thecomputer process- itsiliput circuits) and,inmostsystems, programs the i o d ati