[ravi-delia]

I find it incredibly endearing. Obviously it's not ideal in terms of public communication, but there's something wonderfully earnest about the way a lot of domain experts just kind of forget that most people don't share their obsession, let alone their knowledge.

[teleforce]

To be fair he did point to the more details for another article from the company website [1].

Since according to Einstein "you can make it simpler but no simpler", me think he and his colleague did pretty well there if we refer to the reduced complexity equation provided here [2]. To be honest this simplified coherence estimation equation in words literally looks like the most complicated equation in words that I have ever seen (page 34 in [2]) - imagine the details elaboration for the mathematical equations but bear in mind that this is for the more sophisticated multi-static radar:

Coherence Estimation = [Radar equation system noise (gammaSNR)] x [Quanization Noise (gammaQuant)] x [Ambiguities (gammaAmb)] x [Baseline Decorrelation(gammaGeo) x [Doppler Decorrelation(gammaAz)] x [Volume Decorrelation(gammaVol)] x [Temporal Decorrelation(gammaTemp)] x [Processing & Coregistration Errors(gammaProc)]

[1]https://www.capellaspace.com/sar-101-an-introduction-to-synt...

[2]https://elib.dlr.de/43805/1/eusar06_tutorial_advanced_bistat...

[andi999]

It could also be smokescreen and mirrors. If you find the truth uncomfortable just hide it beneath technical mumble jumble.

[jhrmnn]

It could, but it isn’t in this case.

[andi999]

Well then give me a real reason why it should not be possible. (Basically what they only say is why the appearance of penetrating building cannot be interpreted so easily)

[ravi-delia]

All of the assurance was in the first third at best, and the rest was explaining why it looks like it can penetrate buildings.

[andi999]

Yes, they claim the 'laws of physics' prevent that. They should specify which law exactly. Maybe too low SNR? I know for a fact you can use radar to see through walls.

[system123]

radar is a technique, not a specific thing. Their radar is based in the X-band (9.5 GHz) which is known not to have the ability to penetrate much. In fact, while C-band SAR (Sentinel 1) can partially penetrate forest canopies, and the top few cm of soil, X-band waves can hardly do this and basically just provide a surface scattering.