3D Reconstruction Of A Certain Type Of Missile And Launch Vehicle And Rapid Analysis Of Target Characteristics

The missile system studied in this paper is developed by the US Army and is a missile defense missile series.It can be regarded as the most advanced ground-to-air missile equipment of the US active service army.guide.As a subsystem of the US global missile defense system,the missile system has accelerated the expansion of its global deployment in recent years,and even encouraged the indulgence in Japan,Taiwan and even the Philippines to surround China.This paper aims to improve the target characteristics of the missile system by using KD-TREE based SBR ray tracing method for 3D reconstruction and reconstruction(including missile and launch vehicle).Provide a reference for defense deployment of the missile system.The ray tracing method is a high-frequency approximation algorithm for calculating multiple scattering of complex targets.It has been widely used in coupled scattering with complex electric large-size targets such as angular structures and cavities,and the calculation accuracy meets the requirements of engineering.However,the significant disadvantage of the ray tracing method is that the number of ray tubes is large,and the calculation of the intersection of ray and bin is inefficient.Especially in the calculation of the scattering field of a super-large size complex target,the ray tracing time will be greater.Under the premise of ensuring accuracy,the clue KD-TREE can effectively speed up the intersection of ray and bin and increase the calculation speed.The paper firstly completed the 3D reconstruction of the missile system(including missiles and launch vehicles)in CATIA based on engineering drawings and photo reconstruction methods.Secondly,the model was imported into the STL format on the OPENGL platform to form the target of triangular facets.Finally,a SBR ray tracing method based on the clue KD-TREE was established on the C++ platform to quickly analyze the large size target RCS.