Hi everyone

What procedure is used in the Seismosignal to obtain the Fourier Amplitude spectra? Please explain required steps to calculate the Fourier Amplitude spectra of an input record in this software.

Thanks so much

Hi everyone

What procedure is used in the Seismosignal to obtain the Fourier Amplitude spectra? Please explain required steps to calculate the Fourier Amplitude spectra of an input record in this software.

Thanks so much

What procedure is used in the Seismosignal to obtain the Fourier Amplitude spectra? Please explain required steps to calculate the Fourier Amplitude spectra of an input record in this software.

Thanks so much

- sam123 offline
**Posts:**6**Joined:**11 Nov 2017, 01:27

Dear sam123,

Once you load the record, the Fourier Amplitude Spectrum and the Power Spectrum are automatically computed. Please refer to "Fourier and Power Spectra" page of SeismoSignal Help System for more information.

Once you load the record, the Fourier Amplitude Spectrum and the Power Spectrum are automatically computed. Please refer to "Fourier and Power Spectra" page of SeismoSignal Help System for more information.

Zoi Gronti

Seismosoft Srl.

Seismosoft Srl.

- z.gronti offline

**Posts:**430**Joined:**16 Oct 2013, 08:14

Dear z.gronti

Thank you for your response but I did not find a detailed description for the calculation of the fourier amplitude spectra in the page of SeismoSignal Help System. I would be grateful if you could guide me about that how is calculated fourier amplitude spectra in the seismosignal.

Thank you for your response but I did not find a detailed description for the calculation of the fourier amplitude spectra in the page of SeismoSignal Help System. I would be grateful if you could guide me about that how is calculated fourier amplitude spectra in the seismosignal.

- sam123 offline
**Posts:**6**Joined:**11 Nov 2017, 01:27

Hello sam123,

You may find the description you are looking for in any good textbook or in the internet (e.g. see: https://en.wikipedia.org/wiki/Fast_Fourier_transform)

Seismosoft Support

You may find the description you are looking for in any good textbook or in the internet (e.g. see: https://en.wikipedia.org/wiki/Fast_Fourier_transform)

Seismosoft Support

- seismosoft offline

**Posts:**544**Joined:**06 Jul 2007, 04:55

Hello

How could I create Fourier Amplitute Spectrum for Dispplacement, from Seismosignal.

Seismosignal create FAS only for acceleration.

Yours Faithfully

How could I create Fourier Amplitute Spectrum for Dispplacement, from Seismosignal.

Seismosignal create FAS only for acceleration.

Yours Faithfully

- antoniic offline
**Posts:**1**Joined:**10 Dec 2018, 14:09

I suppose there is nothing to prevent you from saving an integrated displacement history as a text file and loading that into SeismoSignal. I am not sure what units problems you might run into., however.

Tim Huff

- huffte offline
**Posts:**820**Joined:**22 Jul 2011, 10:19**Location:**Cookeville, Tennessee, USA

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