Li Jun (1930.3-1994.4.5), academician of Chinese Academy of Sciences, ionospheric physics and radio wave propagation scientist, born in Shaoyang County, Hunan Province, is a member of the Communist Party of China. He was a researcher of Wuhan Institute of physics, Chinese Academy of Sciences.
He graduated from Wuhan University in 1955 and majored in ionosphere and radio wave propagation in 1958. In 1991, he was elected member (academician) of the academic department of the Chinese Academy of Sciences.
Li Jun mainly studied the inhomogeneous structure and disturbance in the ionosphere, radio detection of ionospheric disturbance and radio wave propagation in the disturbed ionosphere.
Life of the characters
On March 3, 1930, he was born into a poor peasant family in Chuying village, xiahuaqiao Town, Shaoyang County. In 1955, he graduated from the Department of physics of Wuhan University. In 1958, he graduated as a graduate student. In 1991, he was elected member (academician) of the academic department of the Chinese Academy of Sciences. on April 4, 1994, he died on a business trip.
Achievements in scientific research
He is one of the founders of China's ionospheric gravity wave observation and research. The first experimental and theoretical research on ionospheric small inhomogeneous structure and drift was carried out in China, which unified the physical basis of similar fading method and correlation analysis method. In the radio diagnosis of ionospheric disturbances, the generalized ray theory of radio wave propagation is developed, which systematically solves a series of positive and negative problems of ray propagation in slowly varying space-time, dispersive, anisotropic and dissipative media. In the aspect of the forward propagation problem, the existing traditional ray theory can be regarded as a special case of the generalized ray theory, and can solve the difficult problem that the traditional theory is difficult to solve; in the inverse propagation problem, a new method of ionospheric disturbance is proposed. He has written papers such as the relationship between ionospheric inhomogeneous body parameters and ionospheric state, and the propagation of radio wave packets in dissipative and disturbed ionosphere.
In 1991, he was elected member (academician) of the academic department of the Chinese Academy of Sciences.
He has successively served as a research intern, assistant researcher, deputy director, director, associate researcher, researcher and doctoral supervisor of the Ionospheric Research Office of Wuhan Institute of physics, Chinese Academy of Sciences. Executive director of China space society, director of China geophysical society, member of Academic Committee of National Antarctic exploration Commission.
Chinese PinYin : Li Jun1
Release Time:2021-03-09 18:17:19
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