Fig. 19
From: High precision hybrid RF and ultrasonic chirp-based ranging for low-power IoT nodes

CDF plot of the improved accuracy methods on quasi-omnidirectional measurements with a a lower and b a higher SPL
From: High precision hybrid RF and ultrasonic chirp-based ranging for low-power IoT nodes
CDF plot of the improved accuracy methods on quasi-omnidirectional measurements with a a lower and b a higher SPL