College Physics ›› 2024, Vol. 43 ›› Issue (04): 1-.doi: 10.16854/j.cnki.1000-0712.230293
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TIAN Hong, WANG Xue
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Abstract: The time-averaging method is a mathematical technique employed to approximate certain rapidly fluctuating physical quantities by utilizing their average values over a specific time interval. This method is particularly relevant when the response speed of a physical system is considerably lower than the rate at which external excitation changes occur. Serving as a valuable model simplification tool, the time-averaging method enables the rapid extraction of pertinent information from time-varying signals, including those with oscillatory or noisy characteristics, thereby fostering a deeper comprehension of underlying physical processes. This paper employs the time-averaging characteristics of the sine function as a mathematical foundation and proceeds to provide a succinct exposition and analysis of the diverse applications of the time-averaging method in various branches of physics, such as mechanics, optics, and magnetism.
Key words: timeaveraging method, mechanics, optics, magnetism
TIAN Hong, WANG Xue. Applications of the time-averaging method to physics problems[J].College Physics, 2024, 43(04): 1-.
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URL: https://dxwl.bnu.edu.cn/EN/10.16854/j.cnki.1000-0712.230293
https://dxwl.bnu.edu.cn/EN/Y2024/V43/I04/1
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