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Published on: April 3, 2018
Integrated modeling method of ultraviolet radiation and transmission in aircraft plume detection
Abstract:
The radiation characteristics of aircraft plumes provide the basis for target detection and tracking. Radiation simulation of the plume mainly includes the radiation simulation of its flow field and the transmission characteristics during its long-distance propagation. However, current research in this area often focuses on one of these two aspects and fails to integrate an analysis of both processes. This paper proposes a comprehensive analysis method based on the Monte Carlo method, which can effectively analyze the overall effects of regional radiation and long-distance transmission effects for the plume field. Through the simulation of the ultraviolet radiation of a plume and the atmospheric ultraviolet transmission characteristics at two wavelengths, this paper obtains a distribution image of ultraviolet radiation characteristics after spatial transmission and analyzes the influence of visibility and ultraviolet wavelength on target detection based on the plume. The simulation results are consistent with established conclusions regarding the radiation and transmission characteristics of the plume, further verifying the effectiveness of the comprehensive analysis method presented in this paper.
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