Research And Realization On Key Technologies For Visualization Of Complex Electromagnetic Environment

With the development of complex electromagnetic environment in the field of modern information confrontation,the research of 3D,dynamic and complex electromagnetic environment visualization method is becoming more and more important.Three-dimensional graphics provides a technical basis for the realization of three-dimensional visualization of complex electromagnetic environment,and the efficient generation and rendering technology of 3D geometric modeling based on computational geometry theory and 3D graphics is the key link.Therefore,based on the efficient generation and rendering of 3D geometric modeling,this dissertation studies the key technical problems such as unified modeling and visualization of radar and other radar and other aspects of radar envelope synthesis,such as radar and other electromagnetic environment visualization technology.The content is as follows.1 This dissertation studies the technical framework Open GL and OSG based on this dissertation,and the 3D mathematical foundation,coordinate system,vector and matrix in the computer graphics used in this dissertation.It provides technical support and mathematical foundation for realizing the 3D geometric construction algorithm.2 Design and implementation of the three-dimensional geometric construction algorithm library.At present,the algorithm library has implemented eight kinds of basic geometric modeling efficient generation and rendering algorithms,namely plane,circle,ellipse plane geometry,cube,cylinder,sphere and lathe,extrude.Finally,a demonstration experiment using this three-dimensional geometric construction algorithm library is carried out.3 Proposed the electromagnetic sensor model,used to solve the complex electromagnetic environment visualization of radar and other electromagnetic detection equipment unified modeling and visualization problems.The electromagnetic sensor model is analyzed mainly from the definition of geometry and other attributes such as pulses.Finally,through the above three-dimensional geometric construction algorithm library,to achieve the geometry of the model.4 The method of solving the problem of radar envelope synthesis by three-dimensional Boolean operation based on BSP tree is proposed.The Boolean algorithm of 3D geometry based on BSP tree is realized.The method is mainly used to transform the three-dimensional geometry into a BSP tree with spatial triangles as leaf nodes,and then use the triggering operation of the space triangle to realize the relationship between the two geometries Boolean operation.This dissertation plays a key role on the visualization of complex electromagnetic environment,based on three-dimensional geometry construction technology.