Shape Coupling Analysis Of Interconnection Process In Microwave Component And Web Platform Development

With the development trend of high frequency,high density and high reliability of electronic equipment,the mutual influence and restriction between electromagnetism and machinery are more and more inseparable.As the core component of electronic equipment,microwave component has a large number of interconnection points,among which lap welding of gold belt,gold belt welding,lead lap welding and planar welding are widely used as typical interconnection processes.The structure of interconnection process directly affects the signal transmission performance of microwave components,and then restricts the performance of electronic equipments.Therefore,based on the analysis of the coupling relationship between the interconnection process structure and the transmission performance of microwave component,a scientific and efficient shape coupling analysis method is proposed,so as to reduce the design difficulty of the interconnection process of microwave component and ensure the performance of electronic equipments.Focusing on the coupling between structural factors and signal transmission performance of four typical interconnection processes in microwave components,this thesis studies the coupling mechanism between structural form and signal transmission performance of microwave components interconnection process from three aspects of electrical performance calculation,shape coupling characteristics analysis and structural parameter optimization,and develops the shape coupling analysis system of microwave component interconnection process based on Web technology Based on the analysis platform,the electrical performance calculation,correlation strength sorting,key parameters selection and transmission performance oriented structural parameters optimization of interconnection process are realized.The main research contents are as follows:(1)A characterization modeling method for two-dimensional interconnection and threedimensional interconnection is proposed.A functional module for electrical performance calculation based on interconnection process structure parameters and physical parameters is developed.The influence of structure parameters on electromagnetic transmission performance is analyzed.Based on the equivalent circuit method,the circuit coupling model of the relationship between the structure shape and electromagnetic transmission performance is established,and the electrical performance calculation module of twodimensional interconnection is developed.The electromagnetic simulation software is used to characterize and model the three-dimensional interconnection process,including gold belt welding,lead lap welding and planar welding.The HFSSpy library is developed to realize the electromagnetic parametric modeling The electrical performance calculation module of three-dimensional interconnection is developed.Finally,taking the structure parameters of a two-dimensional interconnection and a three-dimensional interconnection as examples,the influence of different frequency bands and different structure parameters on the electromagnetic transmission performance is analyzed,which lays a foundation for exploring the shape coupling mechanism of interconnection technology.(2)In this thesis,a shape property coupling feature analysis method for four typical interconnection processes is proposed.The OEDpy toolkit for building orthogonal array is customized.Combined with the above electrical performance calculation method,the shape property coupling feature analysis function module is developed with correlation strength and key parameters as coupling features.The coupling relationship between structural parameters and signal transmission performance is analyzed.For example,the key parameters of Ku band are: lead extension length L1,solder length L4,lead drop g,solder climb height H,which provide the basis for determining the optimization parameters of interconnection process.(3)The optimization method of the structure parameters of the interconnected process based on particle swarm optimization is designed.The function module of the structure parameter optimization is developed for four kinds of interconnected processes,and the optimization of the structural parameters of the interconnection process is carried out.Based on particle swarm optimization,the optimization methods for single and multi-objective are proposed respectively.The optimization of structural parameters is carried out with the electric performance as the optimization objective.Taking the structural parameters of a lead lap welding as an example,the performance indexes of the same working band before and after optimization are compared and analyzed.The single objective optimization is carried out for the echo loss and insertion loss respectively.The multi-objective optimization is carried out considering the return loss and insertion loss.The results show that the transmission performance can be effectively improved and the effectiveness of the optimization method is verified.(4)The overall framework of the platform is designed,and the key common technologies of web platform development are realized.Based on the above-mentioned calculation methods of electrical performance,analysis mechanism of shape coupling characteristics and optimization of structural parameters,a configuration coupling analysis platform for microwave component interconnection process is developed.Taking four typical interconnection processes as the object,the test cases are designed for each work module of the platform,and the test cases are designed for the platform The system function test is carried out,and the validity and accuracy of the coupled analysis platform for the process configuration of microwave components interconnection are verified.