现代信息科技2026，Vol.10Issue(18)：30-33,39,5.DOI:10.19850/j.cnki.2096-4706.2026.18.006
电波通信中基于高低阶FD-Pade的抛物方程法误差分析
Error Analysis of the Parabolic Equation Method Based on High-and Low-Order FD-Pade in Radio Wave Communication
摘要
Abstract
Accurate simulation of radio wave propagation characteristics provides an important reference for communication engineering planning and signal quality evaluation.The parabolic equation method balances computation accuracy and efficiency and is suitable for modeling large-scale radio wave propagation scenarios.The finite-difference(FD)method is one of the primary approaches to solving parabolic equations.This method meshes the computational domain and effectively handles boundary problems under complex terrain environments.Introducing the Pade approximation into the FD method can further improve solution accuracy.According to the approximation order,the FD-Pade method can be classified into high-order and low-order methods.This study takes large-scale free-space radio wave propagation as the research scenario and establishes a relative error index to compare and analyze the solution errors of the high-order and low-order FD-Pade methods.Combined with path-loss pseudo-color maps,error comparison curves,computation time,and memory consumption,the error distribution rules of the two methods are quantitatively derived.The research results can provide an intuitive reference for the reasonable selection of parabolic equation methods in radio communication engineering.关键词
抛物方程/有限差分近似/相对误差/电波通信Key words
parabolic equation/finite difference approximation/relative error/radio wave communication分类
信息技术与安全科学引用本文复制引用
吴晓萍..电波通信中基于高低阶FD-Pade的抛物方程法误差分析[J].现代信息科技,2026,10(18):30-33,39,5.基金项目
广州铁路职业技术学院新引进人才科研启动项目 （）
广州铁路职业技术学院-"10+1"研究方向-校内一般项目(GTXYYB250209) （GTXYYB250209）
广州市教育局高校科研项目(2026316046) （2026316046）
