A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.
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Active Message Threads for December 2012
Celine Davy
(no body)
Replies
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Re: problem with transfer pole zero option from script - Arthur Snoke - 2013-01-02 23:41:49
Fabio Dias
Hi,
I'm trying to compilate Sac 101.5c in Ubuntu 12.10 with Matlab 2012A using
this command line: ./configure --enable-png
--prefix=/home/fdias/Programs/sac-101.5/
--with-matlab=/home/fdias/MATLAB/R2012a.
And I get this:
*checking /home/fdias/MATLAB/R2012a/extern/include/matrix.h usability... yes
*
*checking /home/fdias/MATLAB/R2012a/extern/include/matrix.h presence... no*
*configure: WARNING: /home/fdias/MATLAB/R2012a/extern/include/matrix.h:
accepted by the compiler, rejected by the pre…
[more]
No replies
Aderson Nascimento
Hi Milton,
sorry I was not clear in my last email. I want to change the y axis to log
scale...
ymin and ymax will indeed change the linear scale of the amplitudes.
Apologies for the confusion.
Aderson
--
Aderson Farias do Nascimento
Universidade Federal do Rio Grande do Norte
Department of Geophysics
UFRN - Campus Universitário, 3000- Lagoa Nova
Cep 59072-970 - Natal RN - Brasil
http://lattes.cnpq.br/8600906973888297
2012/12/28 Milton Plasencia <mpplasencia@gmail.com>
> Hi Aderson,
>
> Se…
[more]
No replies
Dear SACers,
does anybody know how to change the y axis (frequency) scale of the
spectrogram plot?
Best regards to all,
Aderson
Aderson Farias do Nascimento
Universidade Federal do Rio Grande do Norte
Department of Geophysics
http://lattes.cnpq.br/8600906973888297
No replies
Sunil .
Dear SAC user,
I am trying to set the theoretical travel time in sac head.
But I am get error message as:
-----------------------------------------------------------------------------------------------------------------------------------------------------------------
taup_setsac -mod iasp91 -ph Pdiff-1,P-1 2012.239b.20.57.58.ADK.sac.z
Exception in thread "main" java.io.IOException: 2012.239b.20.57.58.ADK.sac.z does not appear to be a sac file! npts(12000) * 4 + header(632) != file length…
[more]
No replies
Abhash Kumar
Hi,
I am using transfer function in sac to remove the instrument response.
I have checked my pole-zero file and there is no special character in any
of the line. I also switched the line (either first line or last line) to
specify the value of constant and using 'to none' option as well but the
error persist. I have done it as shown below:
SAC> r 2012.011.18.57.FM09.BHZ
SAC> rmean
SAC> rtr
SAC> taper
SAC> transfer from polezero s FM09_ZVBB.zp to none
ERROR 1:
Next time I used the fre…
[more]
Replies
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Re: Problem with transfer function - George Helffrich - 2012-12-25 16:53:24
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Re: Problem with transfer function - Pablo.Palacios@bristol.ac.uk - 2012-12-25 18:49:55
-
Hi,
I am trying to remove the instrument response from the data using
transfer function as shown below:
SAC> r 2010.332.14.48.FS12.BHZ
SAC> rmean
SAC> transfer from polezero s FS12_ZVBB.zp
ERROR 1:
My pole-zero file for station FS12 is
CONSTANT 3.605e+17
ZEROS 2
0.00E+00 0.00E+00
0.00E+00 0.00E+00
POLES 5
-3.701E-02 3.701E-02
-3.701E-02 -3.701E-02
-1.131E+03 0.000E+00
-1.005E+03 0.000E+00
-5.027E+02 0.000E+00
I am unable to understand why this error is appearing. Though I am
followi…
[more]
Replies
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Re: Problem with transfer function - Brian Savage - 2012-12-24 18:01:47
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Re: Problem with transfer function - George Helffrich - 2012-12-24 18:37:58
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Re: Problem with transfer function - Vladimir Karpinsky - 2012-12-24 20:57:06
>
> Hi,
> I am trying to remove the instrument response from the data using
> transfer function as shown below:
>
> > SAC> r 2010.332.14.48.FS12.BHZ
> > SAC> rmean
> > SAC> transfer from polezero s FS12_ZVBB.zp
> > ERROR 1:
>
> My pole-zero file for station FS12 is
> CONSTANT 3.605e+17
> ZEROS 2
> 0.00E+00 0.00E+00
> 0.00E+00 0.00E+00
> POLES 5
> -3.701E-02 3.701E-02
> -3.701E-02 -3.701E-02
> -1.131E+03 0.000E+00
> -1.005E+03 0.000E+00
> -5.027E+02 0.000E+00
>
…
[more]
No replies
marco.olivieri@bo.ingv.it
Dear All,
SSS provides a useful tool for stacking a set of records. For my
purposes the error associate to the resulting stack counts. How can I
evaluate the rms or variance associated to each sample of the
resulting time-series?
Computation is rather simple. Did anybody ever thought to include it
in SSS in order to have the possibility to
plot, and save, the stack plus the stack +/- sigma?
thanks
Marco
Replies
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Re: stacking and standard deviation - George Helffrich - 2012-12-14 16:23:16
Rajiv
Hi All,
I want to remove the instrument response of a file and replace it with another instrument response but I only have the poles and zeros of the replacement instrument. Therefore I couldn't use the sac transfer function, which requires a sac built in instrument. Can someone please help me to implement this
Thank you
Nishath Rajiv Ranasinghe
Replies
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Re: transfer from one instrument to other - George Helffrich - 2012-12-03 05:15:03
Rakotoarisaona Hasiniaina
http://wildcherrywalhalla.com.au/wp-content/themes/esplanade/google.html
