|
|
|
| Applicability of Interpolation Methods forProcessing Physics Experiment Data |
| ZHU Shuting,LIU Lyuting, NIU Xianghong*
|
| School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China |
|
|
|
|
Abstract The aceurate processing of experimental data is essential in physics. However,experimentallymeasured data are often discrete and limited, presenting challenges in reconstructing the inherent continuity ofphysical processes. Consequently, investigating the applicability of various interpolation methods inreconstructing continuous curves across diverse physical scenarios emerges as a pivotal issue.In this study,fourinterpolation methods-linear,shape-preserving piecewise cubic,cubic Hermite,and cubic spline-are appliedto experimental data from three types of experiments:forced vibration, Franck-Hertz,and simple pendulum.Theresults show that shape-preserving piecewise cubic interpolation works best for forced vibration data, cubicsplineinterpolation is more suitable for the Franck-Hertz experiment,while the simple pendulum caseunderscores the limitations of interpolation methods under conditions of data sparsity and high noise levels.Collectively,'these findings support the central conclusion of this study: no single interpolation method isuniversally optimal,and the choice of an appropriate method depends critically on the intrinsic nature of thephysical experiment and the characteristics of the data obtained.
|
|
Published: 25 December 2025
|
|
|
|
|
| [1] |
SHANG Yufeng, LIU Jiaxing, HU Peng, SU Yuqi, WANG Tianyi, HAN Qiyu, DUAN Xiaofeng. Measurement of Liquid Viscosity based on Pasteur Pipet[J]. Physical Experiment of College, 2025, 38(6): 32-34. |
| [2] |
LI Bingyan, LI Qingqing, GE Junqi, WANG He, ZHANG Dan. Design of an Experimental Scheme for Young's Modulus MeasurementBased on an Optical Mouse Displacement Detector[J]. Physical Experiment of College, 2025, 38(6): 58-64. |
|
|
|
|
