Root mean square, or RMS, is a mathematical value used to determine and compare the quantities of a cycle, such as electrical current. It is helpful in providing a method to compare values that change over time. It is often used by those who work with alternating electrical current, the static noise on communication lines, and LiDAR, or light detection and ranging, a type of technology that works like radar but uses lasers to measure and map geographical features. By calculating and comparing... więcej

Salem Press Encyclopedia of Science, 2019. 2p.