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International Reference Ionosphere (IRI) and ray tracing principle were introduced firstly. The group ranges in the mid-latitude region of China were simulated with ray tracing algorithm in the IRI model. The distribution characteristics of the group range were analyzed with hour, ground distance and carrier frequency. The change laws of the group range were obtained. It indicates that the change...
In this paper, the creating ideas, construction contents and management methods of the public laboratory courses for the postgraduates in school of electronic and information engineering of BUAA are presented. The laboratory courses began to be carried out from the grade 2005 for postgraduates and have been running for five years, having better practical effects. The related contents have important...
International Reference Ionosphere and ray tracing algorithm are discussed in the paper. Three-dimensional real-time ray tracing method is illustrated In accordance with International Reference Ionosphere, ray tracing equations are resolved by Runge-Kutta method. Based on International Reference Ionosphere and ray tracing algorithm, the three-dimensional ray tracing simulation software is presented...
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