transformations

Comments

• rain_worl@lemmy.world ⁨1⁩ ⁨year⁩ ago

  unlike the courier transform, the fourier transform is reversible

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  • Fuck_u_spez_@sh.itjust.works ⁨1⁩ ⁨year⁩ ago

    Did you accidentally remove the default upvote from your own comment?

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    • rain_worl@lemmy.world ⁨1⁩ ⁨year⁩ ago

      no. purposeful. but yes to your name

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• untorquer@lemmy.world ⁨1⁩ ⁨year⁩ ago

  Still the best graphical explanation of the Fourier transform. Still wish they just showed this in signals and systems and saved the remaining 3 months of the quarter.

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  • i_love_FFT@jlai.lu ⁨11⁩ ⁨months⁩ ago

    You can also use wavelets to get the middle graph and access the benefit of both spatial and fréquential localization, up to the uncertainty limit!

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• Yppm@lemy.lol ⁨1⁩ ⁨year⁩ ago

  Is this how a Fourier transform actually works?

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  • Speculater@lemmy.world ⁨1⁩ ⁨year⁩ ago

    Yep. It translates time spaced frequencies to wavelength based space. So a 1Hz frequency would just have a single peak at 1s.

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    • vaionko@sopuli.xyz ⁨11⁩ ⁨months⁩ ago

      Not necessarily wavelength based, it can be frequency too.

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• Croquette@sh.itjust.works ⁨11⁩ ⁨months⁩ ago

  I wish they would have shown me the top picture 15 years ago, it makes so much sense.

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• SidewaysHighways@lemmy.world ⁨1⁩ ⁨year⁩ ago

  I got spurs that jingle

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• i_love_FFT@jlai.lu ⁨11⁩ ⁨months⁩ ago

  I love Fourier transforms.

  I don’t love courier transforms.

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• FreshLight@sh.itjust.works ⁨1⁩ ⁨year⁩ ago

  To a certain degree a damaged package is the delivery people’s fault, I agree.

  But there’s also the people who don’t pack the orders correctly so the packages don’t even withstand standard handling just so they can save packaging material…

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  • BigDaddySlim@lemmy.world ⁨1⁩ ⁨year⁩ ago

    I’m a carrier for USPS, I have a guy on my route who often orders Volkswagen parts from all over Europe. One day he got a replacement subframe for one of his VW’s from Estonia and it arrived at our office pretty beat up. When he needed to sign for it he saw the condition and I told him that’s how we received it. The shipper sent it by just sticking the subframe in a box, no padding, no supports, just a cardboard box for a trip around the world. He obviously was upset and had another one sent as a replacement after filing a claim.

    The replacement was packaged exactly the same, and luckily only slightly bent on arrival. The old one is still sitting in our office in limbo.

    If you’re gonna ship something overseas or across town package that shit properly

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  • ifItWasUpToMe@lemmy.ca ⁨1⁩ ⁨year⁩ ago

    I once ordered two mugs from Etsy. It was literally two mugs in a cardboard box. No bubble wrap, no nothing. Arrived in about 8 pieces.

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    • Kolanaki@pawb.social ⁨1⁩ ⁨year⁩ ago

      Maybe you just missed the part in the description of the mugs that says “some assembly required.” 🤷🏻‍♂️

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• DogWater@lemmy.world ⁨11⁩ ⁨months⁩ ago

  But why did I pronounce it courier instead of courier

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