Abstract: A multiaccess ultrasonic positioning system (UPS) based on chirped signals needs to estimate the ultrasonic (US) time-of-flight (TOF) of at least three channels. If the cross correlation ...
In Episode 8, while Zosia and Carol are looking through a telescope one night, Zosia explained that The Others have since learned the radio signal came from Kepler-22b.
Abstract: Linear chirp-based underwater acoustic communication has been widely used due to its reliability and long-range transmission capability. However, unlike the counterpart chirp technology in ...