Correct spelling for the English word "TOA" is [tˈə͡ʊə], [tˈəʊə], [t_ˈəʊ_ə] (IPA phonetic alphabet).
TOA is an acronym that stands for "Time of Arrival." This term is commonly used in various fields, including physics, engineering, and telecommunications. TOA refers to the process of determining the time at which a signal or a wave arrives at a specific point or location.
In physics and engineering, TOA is often used in the context of acoustic measurements and radar systems. It involves measuring the time difference between the transmission of a signal and its arrival at a receiver. By accurately determining the TOA, one can calculate the distance between the source and the receiver using the speed of sound or electromagnetic waves.
In telecommunications, TOA plays a crucial role in positioning systems, such as GPS (Global Positioning System). GPS receivers determine their location by measuring the time it takes for signals to travel from multiple satellites to the receiver. These TOA measurements allow the device to triangulate its position accurately.
TOA can also be essential in various applications, including navigation, surveillance systems, and signal processing. It helps in calculating distances, determining the direction of signals, and synchronizing different devices or systems.
Overall, TOA is the time taken by a signal or a wave to reach a specific point or location, and it has significant implications in numerous scientific, engineering, and technological endeavors.
A tuberculin apparently corresponding to Denys's bouillon filtre (B.F.).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.