基于PE模型的电波传播特性预测技术研究

PE模型已经被广泛地应用于电波传播特性预测技术的研究，并成为解决电波传播问题的主要工具。通过对抛物方程推导过程中由于对伪微分算子Q的处理而产生的误差进行分析，表明PE模型在预测小仰角的电波传播时具有很好的计算精度。对基于PE模型的电波传输损耗理论模型进行计算机仿真，得到电波传播损耗的理论计算值，通过与实测数据进行对比，验证了PE模型用于电波传播特性预测的正确性，并且对理论模型的计算结果稍微偏小的原因做了分析。

Forecasting Technique of Radio Propagation Characteristics Based on Parabolic Equation Model

PE Model has been widely applied to the research on radio propagation characteristic predication,and is also an important method of solving problems in radio propagation.The error caused by the treatment of pseudo-differential operator Q in the deduction process of PE mode is analyzed.The analysis result proves that PE model is of high calculation accuracy when the radio propagation with small elevation angel is predicted.The computer simulation for theoretical model of radio propagation loss based on PE mo...