Search found 6 matches
- Sat Jan 23, 2021 2:49 am
- Forum: Geopsy usage
- Topic: Removing Instrumental Response
- Replies: 5
- Views: 85520
Removing Instrumental Response
Hi Marc, I am using ambient data recorded by the British Geological Survey (BGS) in MiniSEED format, available online via the following link: http://earthquakes.bgs.ac.uk/monitoring/data_archive.html I am trying to deconvolve the instrument response- so I have a more scientific unit (i.e displacemen...
- Sun Jan 10, 2021 3:48 pm
- Forum: Geopsy usage
- Topic: Export Microtremor Results in Frequency domain
- Replies: 6
- Views: 19596
Re: Export Microtremor Results in Frequency domain
Also, I am not sure what the units for the Fourier Amplitude Spectrum are according to the Geopsy FFT. The data I uploaded in the time domain was in terms of 'counts' (i.e. counts vs time) and after applying the FFT the y axis (i.e. the Fourier Amplitude spectrum') is labelled with 'counts/sqrt(Hz)'...
- Sat Jan 09, 2021 1:47 am
- Forum: Geopsy usage
- Topic: Export Microtremor Results in Frequency domain
- Replies: 6
- Views: 19596
Re: Export Microtremor Results in Frequency domain
Hi Marc, Thanks for getting back to me. I just wanted to clarify- for the 'frequency (amplitude)' plot (under view) I assume this displays the 'real' component (i.e. the second column in the .txt file), whilst the 'frequency (phase)' plot displays the 'imaginary' component (i.e. the third column in ...
- Thu Jan 07, 2021 8:39 pm
- Forum: Geopsy usage
- Topic: Export Microtremor Results in Frequency domain
- Replies: 6
- Views: 19596
Export Microtremor Results in Frequency domain
Hi Marc, I was wondering if there was a method to export results in the frequency domain using Geopsy. I have imported data in the time domain, and applied the FFT (by selecting view --> frequency (amplitude)). Now I want to export the results, ideally as a .hv file. I know that there is a way of do...
- Mon Jan 04, 2021 4:08 pm
- Forum: Geopsy usage
- Topic: H/V Toolbox Questions ( on Windows- using version 3.3.4)
- Replies: 2
- Views: 11218
Re: H/V Toolbox Questions ( on Windows- using version 3.3.4)
Hi Marc,
Thank you very much- that makes much more sense now.
Luke
Thank you very much- that makes much more sense now.
Luke
- Mon Jan 04, 2021 12:51 am
- Forum: Geopsy usage
- Topic: H/V Toolbox Questions ( on Windows- using version 3.3.4)
- Replies: 2
- Views: 11218
H/V Toolbox Questions ( on Windows- using version 3.3.4)
Dear Marc, I have a couple of questions about the H/V toolbox in Geopsy. Under the Processing tab, there is the option to apply a taper- I am choosing to apply a Cosine taper. I have seen in previous versions of the software an option for modifying the width of the cosine taper (i.e. giving a percen...