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Abs si/abs no
#96
pierpower Ha scritto:deve sempre campionare (o leggere come dici) ad almeno il doppio della frequenza a cui gira la ruota.
Il fenomeno che dici tu si manifesta se leggi a meno del doppio della frequenza di rotazione della ruota e si chiama Aliasing

Aliasing dal latino (inglesizzato) che significa "altro" proprio perchè leggi un'altra roba, cioè fischi per fiaschi... :-)

un esempio:
se a 200kmh la ruota gira 30 volte in un secondo (30Hz) devi campionare ad almeno 60Hz

Così facendo sei sicuro di non toppare il verso di rotazione

Grazie, in ogni caso legge buco/non buco, quindi il senso di rotazione non può riconoscerlo...
  Cita messaggio


Messaggi in questa discussione
Abs si/abs no - da Antonio - 06-06-2014, 14:59
Abs si/abs no - da Elwood Blues - 06-06-2014, 14:59
Abs si/abs no - da Alessandro - 06-06-2014, 15:04
Abs si/abs no - da Antonio - 06-06-2014, 15:05
Abs si/abs no - da Alessandro - 06-06-2014, 15:11
Abs si/abs no - da -malleus- - 06-06-2014, 16:10
Abs si/abs no - da Hammer® - 06-06-2014, 16:22
Abs si/abs no - da Bisso - 06-06-2014, 16:55
Abs si/abs no - da -malleus- - 06-06-2014, 17:15
Abs si/abs no - da Lanf - 06-06-2014, 17:44
Abs si/abs no - da Pepi - 06-06-2014, 18:00
Abs si/abs no - da Bisso - 06-06-2014, 18:29
Abs si/abs no - da Enrico - 06-06-2014, 19:19
Abs si/abs no - da davifigo - 06-06-2014, 19:51
Abs si/abs no - da Pepi - 06-06-2014, 20:02
Abs si/abs no - da Alessandro - 06-06-2014, 20:22
Abs si/abs no - da Elwood Blues - 06-06-2014, 20:28
Abs si/abs no - da -PEWO- - 06-06-2014, 20:33
Abs si/abs no - da Alessandro - 06-06-2014, 20:55
Abs si/abs no - da Dangerfield78 - 06-06-2014, 21:23
Abs si/abs no - da alex zanardi - 06-06-2014, 22:40
Abs si/abs no - da misterz - 06-06-2014, 22:53
Abs si/abs no - da Elwood Blues - 06-06-2014, 22:53
Abs si/abs no - da Lanf - 07-06-2014, 00:26
Abs si/abs no - da Marcos - 07-06-2014, 09:02
Abs si/abs no - da Bisso - 07-06-2014, 09:15
Abs si/abs no - da Lanf - 07-06-2014, 11:26
Abs si/abs no - da Marcos - 07-06-2014, 11:30
Abs si/abs no - da Bisso - 07-06-2014, 11:42
Abs si/abs no - da Marcos - 07-06-2014, 12:48
Abs si/abs no - da Elwood Blues - 07-06-2014, 13:01
Abs si/abs no - da Bisso - 07-06-2014, 16:04
Abs si/abs no - da Pepi - 07-06-2014, 16:41
Abs si/abs no - da Doppiaeffe - 07-06-2014, 17:55
Abs si/abs no - da pierpower - 08-06-2014, 01:10
Abs si/abs no - da Lanf - 08-06-2014, 06:20
Abs si/abs no - da tomotto - 08-06-2014, 09:26
Abs si/abs no - da Dangerfield78 - 08-06-2014, 11:04
Abs si/abs no - da tomotto - 08-06-2014, 11:34
Abs si/abs no - da omermon - 08-06-2014, 14:36
Abs si/abs no - da enrymx5 - 08-06-2014, 15:01
Abs si/abs no - da -PEWO- - 08-06-2014, 15:15
Abs si/abs no - da EBI - 08-06-2014, 15:41
Abs si/abs no - da Pee Tee - 08-06-2014, 16:23
Abs si/abs no - da Lanf - 08-06-2014, 16:56
Abs si/abs no - da Elwood Blues - 08-06-2014, 17:21
Abs si/abs no - da EBI - 08-06-2014, 18:09
Abs si/abs no - da Antonio - 08-06-2014, 18:10
Abs si/abs no - da Dangerfield78 - 08-06-2014, 18:40
Abs si/abs no - da pilistation - 08-06-2014, 19:14
Abs si/abs no - da Alessandro - 08-06-2014, 19:27
Abs si/abs no - da Alessandro - 08-06-2014, 19:28
Abs si/abs no - da Dangerfield78 - 08-06-2014, 23:43
Abs si/abs no - da Alessandro - 09-06-2014, 00:00
Abs si/abs no - da Leonow - 09-06-2014, 00:04
Abs si/abs no - da Pdor figlio di Kmer - 09-06-2014, 00:04
Abs si/abs no - da Dangerfield78 - 09-06-2014, 00:21
Abs si/abs no - da -PEWO- - 09-06-2014, 00:35
Abs si/abs no - da Pdor figlio di Kmer - 09-06-2014, 00:38
Abs si/abs no - da Alessandro - 09-06-2014, 00:47
Abs si/abs no - da Dangerfield78 - 09-06-2014, 01:09
Abs si/abs no - da Leonow - 09-06-2014, 01:42
Abs si/abs no - da Pee Tee - 09-06-2014, 02:43
Abs si/abs no - da Pee Tee - 09-06-2014, 02:52
Abs si/abs no - da Pdor figlio di Kmer - 09-06-2014, 08:15
Abs si/abs no - da Pepi - 09-06-2014, 08:40
Abs si/abs no - da Antonio - 09-06-2014, 08:46
Abs si/abs no - da dafde - 09-06-2014, 08:54
Abs si/abs no - da Hammer® - 09-06-2014, 09:19
Abs si/abs no - da Doppiaeffe - 09-06-2014, 09:22
Abs si/abs no - da Hammer® - 09-06-2014, 09:24
Abs si/abs no - da Pdor figlio di Kmer - 09-06-2014, 09:26
Abs si/abs no - da Antonio - 09-06-2014, 09:37
Abs si/abs no - da Leonow - 09-06-2014, 09:43
Abs si/abs no - da Dangerfield78 - 09-06-2014, 10:14
Abs si/abs no - da dafde - 09-06-2014, 10:27
Abs si/abs no - da Antonio - 09-06-2014, 10:28
Abs si/abs no - da dafde - 09-06-2014, 10:34
Abs si/abs no - da Alessandro - 09-06-2014, 10:42
Abs si/abs no - da Antonio - 09-06-2014, 10:47
Abs si/abs no - da -PEWO- - 09-06-2014, 11:50
Abs si/abs no - da enrymx5 - 09-06-2014, 12:05
Abs si/abs no - da Antonio - 09-06-2014, 12:08
Abs si/abs no - da omermon - 09-06-2014, 12:12
Abs si/abs no - da enrymx5 - 09-06-2014, 12:13
Abs si/abs no - da omermon - 09-06-2014, 12:15
Abs si/abs no - da enrymx5 - 09-06-2014, 12:22
Abs si/abs no - da omermon - 09-06-2014, 12:25
Abs si/abs no - da dafde - 09-06-2014, 12:34
Abs si/abs no - da enrymx5 - 09-06-2014, 12:57
Abs si/abs no - da Dangerfield78 - 09-06-2014, 13:05
Abs si/abs no - da Pee Tee - 09-06-2014, 17:39
Abs si/abs no - da -PEWO- - 09-06-2014, 17:51
Abs si/abs no - da pilistation - 13-06-2014, 23:45
Abs si/abs no - da pierpower - 16-06-2014, 21:14
Abs si/abs no - da pilistation - 16-06-2014, 21:16
Abs si/abs no - da pierpower - 16-06-2014, 21:39
Abs si/abs no - da Pee Tee - 16-06-2014, 23:54
Abs si/abs no - da pilistation - 17-06-2014, 23:38
Abs si/abs no - da Fly Lemon - 19-06-2014, 19:40



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