本文分析了在新乡和临潼两地同时接收Omega导航台的H台和C台信号的相位变化。从四条传播路径的测试结果中,分析了TE模的存在以及特点。通过一组导出的方程组,从C台信号的测试数据中,用实验回归法确定出TE_1模的激励因子。结果表明,VLF信号夜间向西传播时,测出的TE_1模的激励因子看来比理论给出的数值要大。 This paper analyzes the phase changes of the H and C stations that simultaneously receive Omega navigation stations in Xinxiang and Lintong. From the test results of four propagation paths, the existence and characteristics of TE modes are analyzed. Through a set of derived equations, from the test data of C signals, the excitation factor of TE_1 mode is determined by the experimental regression method. The results show that when the VLF signal propagates westward at night, the excitation factor of the TE_1 mode appears to be larger than the theoretical one.