But thanks to bat detectors, we can still pick up on it, and [Marcel] recently built a heterodyne bat detector ... volume and center frequency for the detection. The bat signal itself is picked ...

This was verified using an approach called heterodyne detection. “An experienced musician with a good ear can tell the ...

The Heterodyne Spectroscopy Group in the Department of Terahertz and Laser Spectroscopy works on the development of instruments and methods for high-resolution THz spectroscopy based on mm-wave ...