3 ms·
L2 is moving though right? Or does it need to be simultaneously receiving at the 2 points?
by bravesoul2 1y ago
L2 is moving though right? Or does it need to be simultaneously receiving at the 2 points?
- GMoromisato 1y agoSadly, it has to be simultaneous. My (tenuous) understanding of interferometry is that you receive light from two points separated by a baseline and then combine that light in such a way that the wavelengths match up and reinforce at appropriate points. Wikipedia has a decent summary: https://en.wikipedia.org/wiki/Aperture_synthesis https://en.wikipedia.org/wiki/Aperture_synthesis
- littlestymaar 1y ago> Sadly, it has to be simultaneous. I don't know the details of how it works, but synthetic aperture radar works thanks to the motion of the satellites, so there must be some situations for which simultaneity isn't required.