3 ms·
And then there is phased arrays, a computer-controlled array of antennas which creates a beam of radio waves that can be electronically steered to point in diff
by auslander 8y ago
And then there is phased arrays, a computer-controlled array of antennas which creates a beam of radio waves that can be electronically steered to point in different directions without moving the antennas.
Pure math (matrix of delays per element). Go crazy :)
https://en.wikipedia.org/wiki/Phased_array https://en.wikipedia.org/wiki/Phased_array
- taneq 8y agoThe same thing is used in ultrasounds (except with sound) which is how they can "scan" without having any moving parts. Super cool.