How could I find the Fourier spectra for a recorded accelerogram?

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Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

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How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

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Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

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How to do wavelet transform of EXAFS data?

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How can I calculate formation energy using VASP-Ab-initio?

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How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

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What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

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Vinay Mahadik

You can use the open source software GNU Octave with the same MATLAB command in case MATLAB isn't available. Alternatively, for crude estimate of fundamental period, you can write your own code for response spectrum at 0 damping and identify the 1st peak for fundamental period.

Timothy Huff

SeismoSignal (www.seismosoft.com) will provide the Fourier Spectrum as well as many other ground motion parameters for recorded accelerograms. It is freely available for educational purposes.

Mahir Badanagki

You can use this FREE software to calculate it. The software is called PRISM.

Watch this tutorial about this software:

https://youtu.be/n17heFc0pAI