Re: findDelay.m

[Juan Pablo Carbajal]

On Tue, May 14, 2013 at 4:15 PM, MV <address@hidden> wrote:
> Belive me, I never use non autorizated copys of any software.
>
> Marcos Varella
>
> Em 14/05/2013 10:11, "Juan Pablo Carbajal" <address@hidden> escreveu:
>
>> On Tue, May 14, 2013 at 3:53 PM, MV <address@hidden> wrote:
>> > I have two periodical signals, not sinoildal. I don't know how the
>> > function
>> > works. I'll try to find a matlab m file...
>> >
>> > Marcos Varella de Almeida
>> > address@hidden
>> > (92) 8821-6511
>> >
>> > Em 14/05/2013 09:25, "Juan Pablo Carbajal" <address@hidden>
>> > escreveu:
>> >
>> >> On Tue, May 14, 2013 at 2:24 PM, MV <address@hidden> wrote:
>> >> > Hi there
>> >> >
>> >> > Thanks for the answer.
>> >> >
>> >> > http://www.mathworks.com/help/comm/ref/finddelay.html
>> >> >
>> >> > Marcos Varella de Almeida
>> >> > address@hidden
>> >> > (92) 8821-6511
>> >> >
>> >> > Em 14/05/2013 08:20, "Juan Pablo Carbajal" <address@hidden>
>> >> > escreveu:
>> >> >
>> >> >> On Tue, May 14, 2013 at 1:56 PM, MV <address@hidden>
>> >> >> wrote:
>> >> >> > Hi there,
>> >> >> >
>> >> >> > Does Octave have an similar function as matlab "findDelay"?
>> >> >> >
>> >> >> > How can I use it on Octave?
>> >> >> >
>> >> >> > Thanks!
>> >> >> >
>> >> >> > Marcos Varella de Almeida
>> >> >> > address@hidden
>> >> >> > (92) 8821-6511
>> >> >> >
>> >> >> >
>> >> >> > _______________________________________________
>> >> >> > Help-octave mailing list
>> >> >> > address@hidden
>> >> >> > https://mailman.cae.wisc.edu/listinfo/help-octave
>> >> >> >
>> >> >>
>> >> >> That is from hte communication system toolbox. Please check in
>> >> >> Octave-Forge
>> >> >> http://octave.sourceforge.net/packages.php
>> >> >>
>> >> >> If you do not find it, can you tell what is the algorithm their are
>> >> >> using? If you can then (maybe a publication?) then it can be
>> >> >> implemented.
>> >> >>
>> >> >> Cheers
>> >>
>> >> So do you understand how they calculate the delay?
>> >> Check the first row of the table of methods.
>> >> "Cross-correlating the columns of X and Y over a range of lags
>> >> -MAXLAG:MAXLAG."
>> >>
>> >> How would you get the delays from that?
>>
>> Be aware that using mathworks files without having a legal copy of the
>> toolbox is a violation of some terms of use...
>>
>> In anycase, think what is your definition of delay between two
>> signals. If you read carefully what the function says their definition
>> is base din some properties of the correlation function. Probably they
>> look at the delays when the correlation has a local maxima.

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