Radiation Calculation And Analysis Of FY3 In The Big Data Environment

In this paper,the structure and process of radiation transmission simulation calculation are studied based on FY3 satellite data.In the research,it's found the problem that the single point calculation can not complete the specified task in the big data environment.According to the structure,process and data of radiation transmission simulation,combined with the relevant knowledge of parallel computing,the paper puts forward a scheme to speed up the simulation calculation.According to the scheme,the radiation transmission simulation will deploy in a cluster system suitable for the scheme.Finally,we analyzed experimental data of the radiation transfer simulation.The main contents and innovations of this paper are as follows:1.A parallel computing scheme for radiation transfer simulation.In order to solve the problem of slow computation of radiation transfer simulation,the methods of data extraction,processing in the process of radiation transmission simulation calculation,and the physical structure of calculation are studied.We also counted times that spent in each step of the statistical calculation process.According to the characteristics of the above mentioned radiation transfer simulation,a parallel computing scheme is proposed based on the parallel computing method.2.The realization of the simulation system of radiation transmission.Based on the parallel computing scheme,a cluster computing system is designed and implemented.This system combined cluster technology knowledge to meet the single system image,high availability and low cost.The experimental results show that the cluster system can improve the efficiency of the simulation calculation of the radiation transmission,and the feasibility of the parallel design of the radiation transfer simulation calculation is explained.3.Realization of cluster management system for radiation transmission simulation.Based on the complex structure and management difficulties of the radiation transmission simulation cluster system,this paper designs a friendly interface and complete function cluster management system.The management system,providing a good management platform for cluster systems,has realized the functions of monitoring,monitoring and managing the nodes in the cluster system.4.In this paper,we first calculate the cluster system and single computer by the same set of data,and prove the high performance of the cluster by comparing the consumption time.Analyzing the simulation results of the radiation transfer of a large number of FY3 satellite data with analysis of the sensitivity of different data on the same data set.According to the error analysis,the influence of different data on the simulation data is judged.