Re: [science-iwg] FFT Java Library

[Jonah Graham <jonah@xxxxxxxxxxxxxxxx>]

Hi Ian,

Can you do this with a low-pass-FIR?

Jonah

~~~
Jonah Graham
Kichwa Coders Ltd.
www.kichwacoders.com


On 17 November 2016 at 12:11, Ian Mayo <ian@xxxxxxxxxxxxx> wrote:
> Philip,
> I'd be interested in hearing how you get on.  Today I'm taking my
> first steps into FFTs, trying to separate the small oscillations from
> the larger changes in a time series like this:
> https://imgur.com/iZSFDmh
>
> I look forward to your lessons learned :-)
>
> Ian
>
>
> On Thu, Nov 17, 2016 at 9:41 AM, Philip Wenig
> <philip.wenig@xxxxxxxxxxxxx> wrote:
>> Yep, thanks :-).
>>
>>
>> Am 16.11.2016 um 16:43 schrieb Jay Jay Billings:
>>
>> Keep in mind that FFTW is licensed under the GPL.
>>
>> Jay
>>
>> On Wed, Nov 16, 2016 at 9:56 AM, Philip Wenig <philip.wenig@xxxxxxxxxxxxx>
>> wrote:
>>>
>>> Hi Serban,
>>>
>>> thanks a lot.
>>> It's clear now, what I'll do tomorrow .-).
>>>
>>>
>>> Best,
>>> Philip
>>>
>>> Am 16.11.2016 um 15:51 schrieb Serban Maerean:
>>>
>>> Apparently, there are a few options, from Java wrappers to the FFTW to
>>> native Java implementations of FFTW:
>>>
>>> http://www.fftw.org/download.html-> they mention 2 choices here, in
>>> sections "Calling FFTW from Other Languages"
>>>
>>> https://sites.google.com/site/piotrwendykier/software/jtransforms-> this
>>> is a native implementation of FFT in Java that is already used by a few
>>> projects. (maybe your best bet)
>>>
>>> http://carsomyr.github.io/shared/-> this is a more diversified scientific
>>> package, but it mentions that it provides multidimensional FFT operations
>>> backed by FFTW3.
>>>
>>> Hope this helps.
>>>
>>> Serban Maerean
>>> HPC Tools
>>> T/L: 293-9770, Tel.: 845-433-9770
>>> E-mail: serban@xxxxxxxxxx
>>>
>>>
>>>
>>> From:        Philip Wenig <philip.wenig@xxxxxxxxxxxxx>
>>> To:        Science Industry Working Group <science-iwg@xxxxxxxxxxx>
>>> Date:        11/16/2016 09:23 AM
>>> Subject:        [science-iwg] FFT Java Library
>>> Sent by:        science-iwg-bounces@xxxxxxxxxxx
>>> ________________________________
>>>
>>>
>>>
>>> Does anyone can recommend a good java-based fast fourier transformation
>>> (FFT) library?
>>>
>>>
>>> Best,
>>> Philip
>>>
>>> --
>>> ~~~~~~~~~~~~~~~~~~~~~~~~
>>> OpenChrom - the open source alternative for chromatography / mass
>>> spectrometry
>>> Dr. Philip Wenig » Founder » philip.wenig@xxxxxxxxxxxxx »
>>> http://www.openchrom.net
>>> ~~~~~~~~~~~~~~~~~~~~~~~~
>>>
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>>>
>>> --
>>> ~~~~~~~~~~~~~~~~~~~~~~~~
>>> OpenChrom - the open source alternative for chromatography / mass
>>> spectrometry
>>> Dr. Philip Wenig » Founder » philip.wenig@xxxxxxxxxxxxx »
>>> http://www.openchrom.net
>>> ~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>>
>>> _______________________________________________
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>>
>>
>>
>>
>> --
>> Jay Jay Billings
>> Oak Ridge National Laboratory
>> Twitter Handle: @jayjaybillings
>>
>>
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>>
>> --
>> ~~~~~~~~~~~~~~~~~~~~~~~~
>> OpenChrom - the open source alternative for chromatography / mass
>> spectrometry
>> Dr. Philip Wenig » Founder » philip.wenig@xxxxxxxxxxxxx »
>> http://www.openchrom.net
>> ~~~~~~~~~~~~~~~~~~~~~~~~
>>
>>
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