Griffin-Galambos 1938 first proved bat echolocation; CF-FM signal types; Doppler-shift-compensation in horseshoe-bat (Schnitzler 1973); detect 0.1 mm wire from 1 m.
Griffin-Galambos 1938 first proved bat echolocation; CF-FM signal types; Doppler-shift-compensation in horseshoe-bat (Schnitzler 1973); detect 0.1 mm wire from 1 m.