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Radar satellites can see at night and through clouds They also can detect millimetre changes in some cases, from space (!) But I've found them really counter-intuitive, so I spent the last 6 months working on a video explaining how they work Watch:

Max Lenormand

5,277 subscribers

49,438 görüntüleme • 2 yıl önce •via X (Twitter)

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Max Lenormand profil fotoğrafı

Max Lenormand2 yıl önce

There are a lot of people I need to thank for this, this was probably the biggest thing I've made so far - @DarrenMuff for sharing the excitement and answering my dumb questions - @umbraspace for their open data program, meaning 80% of all the images in the video are from them - Thomas Ager for writing what I think is the best book on SAR out there, having a long conversation with me, and proof-reading my script - @boxMica for making such cool SAR renders, and letting me use them in this video - Jason Wang for helping me actually make this, and being a great supporter behind the scenes - @ICEYEfi where I learned a bunch of what I know now and having so many cool animations!

Iniobong profil fotoğrafı

Iniobong2 yıl önce

This is really informative!

Anu Bonthalapati profil fotoğrafı

Anu Bonthalapati2 yıl önce

Are the animations in After Effects?

Max Lenormand profil fotoğrafı

Max Lenormand2 yıl önce

A mix of AE, Blender & Resolve

Nathan Faleide profil fotoğrafı

Nathan Faleide2 yıl önce

@umbraspace Great overview and video. I need to learn your video skills, yet unless ai can do it I can’t seem to find that time yet.

Max Lenormand profil fotoğrafı

Max Lenormand2 yıl önce

@umbraspace Thanks Nathan! It's like many things: repetition and putting a ton of hours into it :)

Only Mamta kumari .. MODI profil fotoğrafı

Only Mamta kumari .. MODI2 yıl önce

I knew it …

Jan-Hendrik Müller profil fotoğrafı

Jan-Hendrik Müller2 yıl önce

Question regarding the virtual 100 km virtual antenna: assuming the microwave travels with light speed, the send-receive delay time should be about 3 ms, so not enough time for the satellite to change position. Probably the send-direction is continuously updated?

Max Lenormand profil fotoğrafı

Max Lenormand2 yıl önce

That's a good question, I'm not quite sure My hunch would be that you need to take that into account to get to higher resolution & better signal to noise ratio I'd defer to some of the folks who actually work on this, thinking of @DarrenMuff or @MasterActual ?

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