[email protected] wrote: > On Jan 20, 2:00 am, Unruh <[email protected]> wrote: > >>> I want to compare the outputs of an application when this app is fed >>> with GPS input & when it is fed with HW input >>> HW input = series of ("HW timestamp" + event) >>> GPS input = series of ("GPS timestamps" + event) >> So feed it with time stamp inputs and see what it does. Why does it care if >> they came from HW or GPS or were some random numbers you concocted? > > It's a distributed application (it merges tcpdump trace) > and I want to compare my merging algorithm when it uses perfect inputs > (In this case I run a GPS on all nodes) & > when it uses non perfect timestamps (no GPS embedded) > >>> I want the same list of event. Only the timestamp can differ in the >>> inputs. >>> So I have to run the exeperience only once (i don't want to run an >>> experience with GPS and an experience whithout GPS) >>> The only way to do that is to invent a way to convert GPS timestamps >>> to HW timestamps >>> (i.e. the timestamps that would have been generated if the GPS was >>> disabled) >> ???? Make them up. > > Make them up (the english word "make up" is quite confusing for me): > you mean correct the drift as Terje Mathiesen previously explained me? > (cf "Well, you could take the readings of the frequency drift rate > correction and integrated them up"). > "Make them up" is colloquial English meaning something like "invent them" or "falsify them".
I can't guarantee that that was what he MEANT but it certainly seems so! _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
