GMTI Mode Formation Optimization for Distributed Satellites SAR System

YANG Feng-feng; HUANG Hai-feng; LIANG Dian-nong

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GMTI Mode Formation Optimization for Distributed Satellites SAR System

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- GMTI Mode Formation Optimization for Distributed Satellites SAR System
- Acta Electronica Sinica Vol. 35, Issue 6, Pages: 1037-1041(2007)
- 作者机构：
  
  国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published：2007
- 稿件说明：
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YANG Feng-feng, HUANG Hai-feng, LIANG Dian-nong. GMTI Mode Formation Optimization for Distributed Satellites SAR System[J]. Acta Electronica Sinica, 2007, 35(6): 1037-1041.
DOI：

YANG Feng-feng, HUANG Hai-feng, LIANG Dian-nong. GMTI Mode Formation Optimization for Distributed Satellites SAR System[J]. Acta Electronica Sinica, 2007, 35(6): 1037-1041. DOI：

摘要

以改善因子损失衡量的测速比和时间效用比为联合指标

评价了CartWheel、Pendulum、SAR-Train等典型编队的性能.采用遗传算法优化编队

以卫星的6个轨道根数为优化变量

仿真证明了性能评价指标和优化算法的正确性.然后根据轨道摄动理论和GMTI(Ground Moving Target Indication)对垂直基线的限制来制定约束条件

优化得到了同时符合紧密编队控制要求和GMTI性能需求的编队构形.

Abstract

The joint criterion

which combines the detectable velocity percent with the effective system cycle determined by the improvement factor loss

is presented.The GMTI (Ground Moving Target Indication)performances of the classical formations

such as the Cartwheel

Pendulum

SAR-Train and so on

are evaluated by the presented criterion.Genetic algorithm is used to optimize the formation

with the satellite orbital parameters as the design variables.Simulation results demonstrate the validity of the evaluation function and the optimization algorithm.At last

the formation restriction was established according to the orbital perturbation theory and the cross-track baseline limition for GMTI performance.The optimal formation satisfying the close flying control theory and the GMTI requirement is presented.

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