3 ms·
Mixing is only useful when the change in the signal is slow. In ultrasound you're operating around single wavelengths so you can't mix down.
by hwillis 10y ago
Mixing is only useful when the change in the signal is slow. In ultrasound you're operating around single wavelengths so you can't mix down.
- highd 10y agoFMCW systems would be slowly changing around the central wavelength. It wouldn't work for pulsed systems, though - I'm not sure what's more common.