Application of the oblique ionogram as vertical ionogram

作者：Chen Gang^*; Zhao ZhengYu; Zhang YuanNong; Yang GuoBin; Zhou Chen; Huang Shuo; Li Ting; Li Ning; Sun HengQing

来源：Science China Technological Sciences, 2012, 55(5): 1240-1244.

DOI：10.1007/s11431-012-4795-8

• ionogram inversion
• critical frequency
• virtual height
• electron density profile

The vertical ionogram can provide the important ionospheric parameters, such as critical frequency, virtual height and electron density, for ionospheric research. The oblique ionosonde has the ability to detect the ionosphere over sea and other terrain where it is not practical to deploy vertical sounder and provide more ionograms with less transmitting and receiving devices. Therefore, the conversion of the oblique ionogram to vertical ionogram for obtaining the important ionospheric parameters is a very useful inversion technology. The experimental comparison between oblique and vertical detections was carried out in the equatorial ionospheric anomaly (EIA) region of south China on 25 and 26 August 2010. The oblique detecting path was from Wuhan to Shenzhen and the VI ionosonde was located in the midpoint of the oblique path. The oblique ionogram reversion results showed a small deviation of the critical frequency, minimum virtual height as well as the electron density profile of the ionospheric F layer, as compared with the real vertical observations.

• 出版日期2012-5
• 单位武汉大学