supported by the National Natural Science Foundation of China(No.61671116,61771096,11905026);National Key Research and Development Program of China(No.2019YFA 0210202);Fundamental Research Funds for the Central Universities(No.ZYGX2019Z006,ZYGX2019J012).
Polar mesosphere summer echoes(PMSE)are observed simultaneously with Digisonde and EISCAT VHF radar.The phenomenon of irregular Es layers is called PMSE-like or PMSE-Es(Polar Mesosphere Summer Echoes-Es)and has some r...
The electromagnetic satellite Zhangheng 01(ZH-01) was successfully launched on February 2, 2018. The GNSS Radio Occultation(GRO) receiver on board the satellite is able to observe the occultation events of GPS and Bei...
Observation of night time spread—F was performed by means of DGS—256 atHainan island.Owing to the multi-parametric measurement ability of DGS—256,themulti—trace structure of range spread—F was found on both the a...