The propagation effect of VLFwave could become a useful tool of detecting the intensity variation of cosmic rays.
所以，VLF波的传播效应可能成为间接探测宇宙线强度变化的有用工具。
2
By analyzing transmission pathway and mode of VLF radio wave, calculation formula of field intensity is given.
分析甚低频电磁波传播路径与方式，给出场强的计算公式。
3
The signal will have attenuation and disturbance due to environmental factors in the process of VLF radio wave propagation, which will impact the reliability of submarine communication.