Re: [casper] Skewed data samples

2015-04-27 Thread Tom Kuiper
On 04/28/2015 04:31 AM, David MacMahon wrote: Have you calculated the skewness for some largish number of samples or are you just going by the appearance of the histogram? If the latter, are you sure that the apparent skewness is not due to artifacts from the histogram bin limits vs discrete

Re: [casper] Skewed data samples

2015-04-27 Thread David MacMahon
PM > To: Kuiper, Thomas (3266) > Cc: G Jones; Casper Lists > Subject: Re: [casper] Skewed data samples > > hi tom, > > if you are using casper adcs: > > all the casper adc boards are AC coupled > (they have baluns and coupling capacitors), > so even if your input s

Re: [casper] Skewed data samples

2015-04-24 Thread Rick Carlson
ptic links.  You have some experience with that. Tom From: G Jones [glenn.calt...@gmail.com] Sent: Friday, April 24, 2015 4:34 PM To: Kuiper, Thomas (3266) Cc: Casper Lists Subject: Re: [casper] Skewed data samples Hi Tom, Wouldn't that just cause extra

Re: [casper] Skewed data samples

2015-04-24 Thread Ryan Monroe
u] > Sent: Friday, April 24, 2015 5:34 PM > To: Kuiper, Thomas (3266) > Cc: G Jones; Casper Lists > Subject: Re: [casper] Skewed data samples > > hi tom, > > if you are using casper adcs: > > all the casper adc boards are AC coupled > (they have baluns and coupling capac

Re: [casper] Skewed data samples

2015-04-24 Thread Kuiper, Thomas (3266)
...@gmail.com [dan.werthi...@gmail.com] on behalf of Dan Werthimer [d...@ssl.berkeley.edu] Sent: Friday, April 24, 2015 5:34 PM To: Kuiper, Thomas (3266) Cc: G Jones; Casper Lists Subject: Re: [casper] Skewed data samples hi tom, if you are using casper adcs: all the casper adc boards are AC coup

Re: [casper] Skewed data samples

2015-04-24 Thread Dan Werthimer
___ > From: G Jones [glenn.calt...@gmail.com] > Sent: Friday, April 24, 2015 4:34 PM > To: Kuiper, Thomas (3266) > Cc: Casper Lists > Subject: Re: [casper] Skewed data samples > > Hi Tom, > Wouldn't that just cause extra power in the DC bin? Or do the samples > still have ze

Re: [casper] Skewed data samples

2015-04-24 Thread Kuiper, Thomas (3266)
wondering about the fiber-optic links. You have some experience with that. Tom From: G Jones [glenn.calt...@gmail.com] Sent: Friday, April 24, 2015 4:34 PM To: Kuiper, Thomas (3266) Cc: Casper Lists Subject: Re: [casper] Skewed data samples Hi Tom, Wouldn&#x

Re: [casper] Skewed data samples

2015-04-24 Thread G Jones
Hi Tom, Wouldn't that just cause extra power in the DC bin? Or do the samples still have zero mean? Glenn On Fri, Apr 24, 2015 at 7:32 PM, Kuiper, Thomas (3266) wrote: > Does any have an idea what might happen to a PFB if the data samples have > a slight skewness towards negative values? Maybe

[casper] Skewed data samples

2015-04-24 Thread Kuiper, Thomas (3266)
Does any have an idea what might happen to a PFB if the data samples have a slight skewness towards negative values? Maybe someone has the answer before I start modeling. Thank Tom