EISCAT VHF和UHF雷达同步观测中高能沉淀粒子对PMSE回波的影响

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634250

A. Rauf, Hailong Li, Safi Ullah, L. Meng, Bin Wang, Maoyan Wang

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引用次数: 0

摘要

利用2015年8月8日和9日EISCAT VHF和UHF雷达同步观测，研究了高能粒子沉淀在产生PMSE回波中的作用。由于即使在EISCAT VHF观测中没有粒子沉淀的情况下也能观测到PMSE回波，因此高能粒子的沉淀可能是产生PMSE回波的一个可能原因，但不是产生PMSE回波的必要条件。然而，在EISCAT超高频雷达同时观测的情况下，粒子降水过程中没有PMSE回波，这表明粒子降水可能在低频PMSE产生中起重要作用。

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Role of high energy precipitating particles on PMSE echoes during the simultaneous observations carried out by EISCAT VHF and UHF radar

We investigate the role of precipitating energetic particles in producing PMSE echoes during the simultaneous observations conducted simultaneously by both the EISCAT VHF and UHF radars on 8 and 9 Aug 2015. Since PMSE echoes are observed even in the absence of particle precipitation in case of EISCAT VHF observations, precipitating energetic particles might be one possible reason but are not necessary for producing PMSE echoes. However, the absence of PMSE echoes during the precipitating particle precipitation in case of observations carried out simultaneously by EISCAT UHF radar shows that particle precipitation might play an important role in PMSE creation at lower frequencies.

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2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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