[1]朱政霖[][],林友明[],黄鹏[],等. 遥感卫星对地覆盖仿真系统的设计与实现[J].计算机技术与发展,2017,27(10):126-129.
　ZHU Zheng-lin[][],LIN You-ming[],HUANG Peng[],et al. Design and Implementation of Ground Coverage Simulation System of Remote Sensing Satellite[J].,2017,27(10):126-129.
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 遥感卫星对地覆盖仿真系统的设计与实现()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2017年10期
页码:
126-129
栏目:
应用开发研究
出版日期:
2017-10-10

文章信息/Info

Title:
 Design and Implementation of Ground Coverage Simulation System of Remote Sensing Satellite
文章编号:
1673-629X（2017)10-0126-04
作者:
 朱政霖[1][2];  林友明[2];  黄鹏[2];  马广彬[2]
 1.中国科学院大学；2.中国科学院 遥感与数字地球研究所
Author(s):
 ZHU Zheng-lin[1][2];  LIN You-ming[2] ; HUANG Peng[2];  MA Guang-bin[2]
关键词:
 ; 卫星; 对地覆盖; Unity3D; 轨道; 仿真
Keywords:
 ; satellite; ground coverage; Unity3D; orbit; simulation
分类号:
TP391.9
文献标志码:
A
摘要:
 卫星对地覆盖的仿真可以直观、形象地显示对地覆盖方案,并检验其准确性和高效性.当前常见的卫星对地覆盖仿真平台扩展性差、功能不够完善.为此,提出了一种基于Unity3D平台的遥感卫星对地覆盖仿真系统的设计方案.该方案通过建立卫星扫描覆盖模型来计算卫星对地覆盖范围,通过Unity3D脚本系统控制模型的运动、绘制卫星运动轨迹及地面覆盖区域,并在三维场景中动态显示.针对卫星轨道计算问题,采用了NORAD发布的MSGP-SGP4模型,精确计算卫星位置和速度.仿真实验结果表明,所提出的设计方案首次将Unity3D应用到对地观测仿真领域,可准确计算并形象展示卫星对地覆盖区域,具有扩展性好、设计简单和可跨平台应用等优点,拥有较高的推广应用价值,对卫星成像任务规划、卫星轨道设计和教学演示等具有重要意义.
Abstract:
 The simulation of satellites ground coverage can show the scheduling scheme of satellites ground coverage intuitively and verify its accuracy and high efficiency. Currently,common satellite ground coverage simulation platforms lack extensibility and its functions are imperfect. For this purpose,a method of remote sensing satellites ground coverage system based on Unity3D platform is presented,in which ground coverage ranges are calculated by establishing satellite scanning coverage model and the movements of models are con-trolled by the scripts system of Unity3D,besides satellite orbit and ground coverage areas are drawn with the scripts system of Unity3D and 3D scenes are shown dynamically. To solve the problems of satellite orbit calculation,MSGP-SGP4 model published by NORAD is adopted for calculating the positions and velocities of satellites accurately. Simulation results show that it has applied Unity3D to ground coverage simulation field firstly and can calculate and display the satellite ground coverage area precisely and vividly,which demonstrates its advantages of good expansibility,simple design and cross-platform,such as a higher value of spreading,and important significance for satellite imaging tasks planning,satellite orbit design and teaching demonstration.

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更新日期/Last Update: 2017-11-24