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本文介绍了磁纬20°以下区域夜间哨声导管传播的某些实验证据。从本区电离层的具体条件出发,分析了电离层导管与磁层导管性质的差别。在此基础上,研完了电离层导管对哨声模波的捕获和引导。文中还提出了低纬哨声可能存在非导管模与导管模混合传播方式的新设想,并通过实例计算与分析证明,对于解释低纬夜间哨声现象,混合模传播方式也许是一种较为有效的机制。
This paper describes some experimental evidence of the night whistle catheter propagation below 20 ° magnetic latitude. Based on the specific conditions of the ionosphere in this area, the differences between the properties of the ionization conduit and the magnetron conduit are analyzed. On this basis, the acquisition and guidance of whistling mode waves by ionospheric catheters were completed. The paper also proposed a new idea of the low-latitude whistle possible non-catheter mode and catheter mode mixed propagation mode of new ideas and examples of calculation and analysis proved that the low-latitude night whistle phenomenon, mixed-mode propagation mode may be more effective Mechanisms.