Dear,
i need to filter a signal derived from a seismometer (output in
displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
i need to filter a signal derived from a seismometer (output in
displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
-
Ciao Alessio,
Sac have a Spectral Analysis Module, below a list of commands,
you can read the help for the command that you want to apply.
For example:
sac> help bandpass
HTH,
Cheers,
m.
fft: Performs a discrete Fourier transform.
keepam: Keep only the amplitude component of the spectral file.
ifft: Performs an inverse discrete Fourier transform.
plotsp: Plots spectral data in several different formats.
writesp: Writes spectral files to disk as "normal" data files.
readsp: Reads spectral files written by @writesp@.
lowpass: Applies an IIR lowpass filter.
highpass: Applies an IIR highpass filter.
bandpass: Applies an IIR bandpass filter.
bandrej: Applies an IIR bandreject filter.
wiener: Applies an adaptive Wiener filter.
fir: Applies a finite-impulse-response filter.
hanning: Applies a "hanning" window to each data file.
unwrap: Computes amplitude and unwrapped phase.
khronhite: Applies a Khronhite filter to the data.
benioff: Applies a Benioff filter to the data.
divomega: Performs integration in the frequency domain.
mulomega: Performs differentiation in the frequency domain.
hilbert: Applies a Hilbert transform.
convolve: Computes the convolution of waveforms.
correlate: Computes the auto- and cross- correlation functions.
envelope: Computes the envelope function using a Hilbert transform.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> wrote:
Dear,
i need to filter a signal derived from a seismometer (output in
displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ |
Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
-
Hi Alessio
If I understand your question correctly you want to deconvolve the instrument response, if so then have a look at the transfer command. Sorry have not used it myself but try:
sac> help transfer
for further insight
\p
On 2021-05-11 21:43, Milton Plasencia (via IRIS) wrote:
Ciao Alessio,
Sac have a Spectral Analysis Module, below a list of commands,
you can read the help for the command that you want to apply.
For example:
sac> help bandpass
HTH,
Cheers,
m.
fft: Performs a discrete Fourier transform.
keepam: Keep only the amplitude component of the spectral file.
ifft: Performs an inverse discrete Fourier transform.
plotsp: Plots spectral data in several different formats.
writesp: Writes spectral files to disk as "normal" data files.
readsp: Reads spectral files written by @writesp@.
lowpass: Applies an IIR lowpass filter.
highpass: Applies an IIR highpass filter.
bandpass: Applies an IIR bandpass filter.
bandrej: Applies an IIR bandreject filter.
wiener: Applies an adaptive Wiener filter.
fir: Applies a finite-impulse-response filter.
hanning: Applies a "hanning" window to each data file.
unwrap: Computes amplitude and unwrapped phase.
khronhite: Applies a Khronhite filter to the data.
benioff: Applies a Benioff filter to the data.
divomega: Performs integration in the frequency domain.
mulomega: Performs differentiation in the frequency domain.
hilbert: Applies a Hilbert transform.
convolve: Computes the convolution of waveforms.
correlate: Computes the auto- and cross- correlation functions.
envelope: Computes the envelope function using a Hilbert transform.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it<mplasencia<at>inogs.it>
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <sac-help-bounce<at>lists.ds.iris.edu<sac-help-bounce<at>lists.ds.iris.edu>> wrote:
Dear,
i need to filter a signal derived from a seismometer (output in displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu<sac-help-unsubscribe<at>lists.ds.iris.edu>
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu<sac-help-unsubscribe<at>lists.ds.iris.edu>
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Update subscription preferences at http://ds.iris.edu/account/profile/
--
********************************************************************************
Peter Schmidt Tel: +46-18-4717104
Swedish National Seismological Network (SNSN) Mobile: +46-73-3190975
Dept. of Earth Sciences:geophysics e-mail: peter.schmidt<at>geo.uu.se<peter.schmidt<at>geo.uu.se>
Uppsala University
Villavagen 16
SE-75236 Uppsala
********************************************************************************
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E-mailing Uppsala University means that we will process your personal data. For more information on how this is performed, please read here: http://www.uu.se/en/about-uu/data-protection-policy
-
Thank you very much,
i have another question, i want to use SAC on Windows10, how it is possible to do it?
Best regards,
AL
Da: sac-help-bounce<at>lists.ds.iris.edu [sac-help-bounce<at>lists.ds.iris.edu]
Inviato: martedì 11 maggio 2021 21:55
A: SAC Help <sac-help<at>lists.ds.iris.edu>
Oggetto: Re: [IRIS][sac-help] Question on filtering signal
Hi Alessio
If I understand your question correctly you want to deconvolve the instrument response, if so then have a look at the transfer command. Sorry have not used it myself but try:
sac> help transfer
for further insight
\p
On 2021-05-11 21:43, Milton Plasencia (via IRIS) wrote:
Ciao Alessio,
Sac have a Spectral Analysis Module, below a list of commands,
you can read the help for the command that you want to apply.
For example:
sac> help bandpass
HTH,
Cheers,
m.
fft: Performs a discrete Fourier transform.
keepam: Keep only the amplitude component of the spectral file.
ifft: Performs an inverse discrete Fourier transform.
plotsp: Plots spectral data in several different formats.
writesp: Writes spectral files to disk as "normal" data files.
readsp: Reads spectral files written by @writesp@.
lowpass: Applies an IIR lowpass filter.
highpass: Applies an IIR highpass filter.
bandpass: Applies an IIR bandpass filter.
bandrej: Applies an IIR bandreject filter.
wiener: Applies an adaptive Wiener filter.
fir: Applies a finite-impulse-response filter.
hanning: Applies a "hanning" window to each data file.
unwrap: Computes amplitude and unwrapped phase.
khronhite: Applies a Khronhite filter to the data.
benioff: Applies a Benioff filter to the data.
divomega: Performs integration in the frequency domain.
mulomega: Performs differentiation in the frequency domain.
hilbert: Applies a Hilbert transform.
convolve: Computes the convolution of waveforms.
correlate: Computes the auto- and cross- correlation functions.
envelope: Computes the envelope function using a Hilbert transform.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it <mplasencia<at>inogs.it>
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <sac-help-bounce<at>lists.ds.iris.edu <sac-help-bounce<at>lists.ds.iris.edu> > wrote:
Dear,
i need to filter a signal derived from a seismometer (output in displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu <sac-help-unsubscribe<at>lists.ds.iris.edu>
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu <sac-help-unsubscribe<at>lists.ds.iris.edu>
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
--
********************************************************************************
Peter Schmidt Tel: +46-18-4717104
Swedish National Seismological Network (SNSN) Mobile: +46-73-3190975
Dept. of Earth Sciences:geophysics e-mail: peter.schmidt<at>geo.uu.se <peter.schmidt<at>geo.uu.se>
Uppsala University
Villavagen 16
SE-75236 Uppsala
********************************************************************************
När du har kontakt med oss på Uppsala universitet med e-post så innebär det att vi behandlar dina personuppgifter. För att läsa mer om hur vi gör det kan du läsa här: http://www.uu.se/om-uu/dataskydd-personuppgifter/
E-mailing Uppsala University means that we will process your personal data. For more information on how this is performed, please read here: http://www.uu.se/en/about-uu/data-protection-policy
-
Ciao,
Sac running on OSX and Linux.
Perhaps a virtual PC with linux in your Windows box can do the trick.
M.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Wed, 12 May 2021 at 14:05, Alessio Lodato (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> wrote:
Thank you very much,
i have another question, i want to use SAC on Windows10, how it is
possible to do it?
Best regards,
AL
*Da:* sac-help-bounce<at>lists.ds.iris.edu [mailto:
sac-help-bounce<at>lists.ds.iris.edu]
*Inviato:* martedì 11 maggio 2021 21:55
*A:* SAC Help <sac-help<at>lists.ds.iris.edu>
*Oggetto:* Re: [IRIS][sac-help] Question on filtering signal
Hi Alessio
If I understand your question correctly you want to deconvolve the
instrument response, if so then have a look at the transfer command. Sorry
have not used it myself but try:
sac> help transfer
for further insight
\p
On 2021-05-11 21:43, Milton Plasencia (via IRIS) wrote:
Ciao Alessio,
Sac have a Spectral Analysis Module, below a list of commands,
you can read the help for the command that you want to apply.
For example:
sac> help bandpass
HTH,
Cheers,
m.
fft: Performs a discrete Fourier transform.
keepam: Keep only the amplitude component of the spectral file.
ifft: Performs an inverse discrete Fourier transform.
plotsp: Plots spectral data in several different formats.
writesp: Writes spectral files to disk as "normal" data files.
readsp: Reads spectral files written by @writesp@.
lowpass: Applies an IIR lowpass filter.
highpass: Applies an IIR highpass filter.
bandpass: Applies an IIR bandpass filter.
bandrej: Applies an IIR bandreject filter.
wiener: Applies an adaptive Wiener filter.
fir: Applies a finite-impulse-response filter.
hanning: Applies a "hanning" window to each data file.
unwrap: Computes amplitude and unwrapped phase.
khronhite: Applies a Khronhite filter to the data.
benioff: Applies a Benioff filter to the data.
divomega: Performs integration in the frequency domain.
mulomega: Performs differentiation in the frequency domain.
hilbert: Applies a Hilbert transform.
convolve: Computes the convolution of waveforms.
correlate: Computes the auto- and cross- correlation functions.
envelope: Computes the envelope function using a Hilbert transform.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> wrote:
Dear,
i need to filter a signal derived from a seismometer (output in
displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ |
Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
--
********************************************************************************
Peter Schmidt Tel: +46-18-4717104
Swedish National Seismological Network (SNSN) Mobile: +46-73-3190975
Dept. of Earth Sciences:geophysics e-mail: peter.schmidt<at>geo.uu.se
Uppsala University
Villavagen 16
SE-75236 Uppsala
********************************************************************************
När du har kontakt med oss på Uppsala universitet med e-post så innebär
det att vi behandlar dina personuppgifter. För att läsa mer om hur vi gör
det kan du läsa här: http://www.uu.se/om-uu/dataskydd-personuppgifter/
E-mailing Uppsala University means that we will process your personal
data. For more information on how this is performed, please read here:
http://www.uu.se/en/about-uu/data-protection-policy
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ |
Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
-
-
-
-
Also give a look on:
http://www.cygwin.com
it installs a Linux on your windows box
m.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> wrote:
Dear,
i need to filter a signal derived from a seismometer (output in
displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ |
Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
-
Is there another solution?
I don’t have enough space on disk.
A.
Da: sac-help-bounce<at>lists.ds.iris.edu [sac-help-bounce<at>lists.ds.iris.edu]
Inviato: mercoledì 12 maggio 2021 19:57
A: SAC Help <sac-help<at>lists.ds.iris.edu>
Oggetto: Re: [IRIS][sac-help] Question on filtering signal
Also give a look on:
http://www.cygwin.com
it installs a Linux on your windows box
m.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it <mplasencia<at>inogs.it>
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <sac-help-bounce<at>lists.ds.iris.edu <sac-help-bounce<at>lists.ds.iris.edu> > wrote:
Dear,
i need to filter a signal derived from a seismometer (output in displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu <sac-help-unsubscribe<at>lists.ds.iris.edu>
Sent from the IRIS Message Center (http://ds.iris.edu/message-center/)
Update subscription preferences at http://ds.iris.edu/account/profile/
-
Dear Alessio Lodato,
I have successfully compiled sac on Windows without Cygwin, but it was a while ago.
Thanks.
Brian Savage
On May 12, 2021, at 2:22 PM, Alessio Lodato (via IRIS) <sac-help-bounce<at>lists.ds.iris.edu> wrote:
Is there another solution?
I don’t have enough space on disk.
A.
Da: sac-help-bounce<at>lists.ds.iris.edu <sac-help-bounce<at>lists.ds.iris.edu> [sac-help-bounce<at>lists.ds.iris.edu <sac-help-bounce<at>lists.ds.iris.edu>]
Inviato: mercoledì 12 maggio 2021 19:57
A: SAC Help <sac-help<at>lists.ds.iris.edu <sac-help<at>lists.ds.iris.edu>>
Oggetto: Re: [IRIS][sac-help] Question on filtering signal
Also give a look on:
http://www.cygwin.com https://urldefense.proofpoint.com/v2/url?u=http-3A__www.cygwin.com&d=DwMFaQ&c=dWz0sRZOjEnYSN4E4J0dug&r=xlrnQuY_RWoRIvnCDJ5AfQ&m=tj1Gq5UtpM5jHJr-hD1eawLUZ3iZvCY6wlUHfjPFG6Y&s=zQIygSphbzSNhQCKwtd8wpRYTNwXEYXEUU1xPS_-DU0&e=
it installs a Linux on your windows box
m.
************************************
Milton P. PLASENCIA LINARES
Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS
Borgo Grotta Gigante 42/C
(34010) Sgonico - Trieste - Italia
Tel: +39 040 2140 156 (Udine)
Tel: +39 040 2140 256 (Trieste)
Cell.: +39 331 6481 935
E-mail: mplasencia<at>inogs.it <mplasencia<at>inogs.it>
Antarctic Seismographic Argentinean Italian Network (ASAIN)
**************************************
On Tue, 11 May 2021 at 21:21, Alessio Lodato (via IRIS) <sac-help-bounce<at>lists.ds.iris.edu <sac-help-bounce<at>lists.ds.iris.edu>> wrote:
Dear,
i need to filter a signal derived from a seismometer (output in displacement) from the transfer function of the instrument.
What is the procedure to be followed in SAC?
Thank you in advance.
Regards,
AL
----------------------
SAC Help
Topic home: http://ds.iris.edu/message-center/topic/sac-help/ https://urldefense.proofpoint.com/v2/url?u=http-3A__ds.iris.edu_message-2Dcenter_topic_sac-2Dhelp_&d=DwMFaQ&c=dWz0sRZOjEnYSN4E4J0dug&r=xlrnQuY_RWoRIvnCDJ5AfQ&m=tj1Gq5UtpM5jHJr-hD1eawLUZ3iZvCY6wlUHfjPFG6Y&s=Cj47ajyl8b9N_HTUxK8tdGrkPfRbBLpAxqa5ecm0kMc&e= | Unsubscribe: sac-help-unsubscribe<at>lists.ds.iris.edu <sac-help-unsubscribe<at>lists.ds.iris.edu>
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----------------------
SAC Help
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