全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于整数规划下遗传算法的P码直接捕获算法优化

Keywords: P码直接捕获算法,优化,整数规划下遗传算法

Full-Text   Cite this paper   Add to My Lib

Abstract:

P码直接捕获算法包含诸如平均点数、相干积累时间、非相干积累次数、频率步进量、唐检参数及快速傅里叶变换(FFT)运算单元数等10多个参数.当在算法检测概率、虚警概率和捕获时间满足要求的约束下,对算法消耗的多种资源进行优化时,具有多约束、多变量、非线性和整数取值等难点.为解决如此复杂的参数优化问题,提出一种整数规划下遗传算法应用于P码直接捕获算法.该方法借鉴遗传算法的思想,并考虑P码直接捕获算法参数的整数取值要求,适合各种条件下的算法参数优化.数值分析结果表明,该方法获得了最优的参数值,有助于实际应用.

References

[1]  Van Nee D J R, Coenen A J R M. New fast GPS code-acquisition technique using FFT[J]. Electronics Letters, 1991,27(2):158-160.
[2]  Yang C. Fast direct P(Y)-code acquisition using XFAST [C]//Proceedings of ION GPS\'99.Nashville, USA:[s.n.], 1999:317-324.
[3]  David M L J B. Direct P(Y)-code acquisition algorithm for software GPS receivers [C]//Proceedings of ION GPS. Nashville, USA:[s.n.],1999:363-368.
[4]  Jing P. Direct global positioning system P-code acquisition field programmable gate array prototyping. Canada: College of Engineering and Technology, Ohio University, 2003.
[5]  宋成.辅助型GPS定位系统关键技术研究[D].长沙:国防科技大学,2009. Song Chen. Research on key technologies of A-GPS positioning system[D]. Changsha: National University of Defense Technology, 2009. (in Chinese)
[6]  李春宇,张晓林,张超,等.遗传算法在微弱GPS信号捕获方法中的应用[J].航空学报,2007,28(6):1433-1437. Li Chunyu, Zhang Xiaolin, Zhang Chao, et al. Genetic algorithm application in acquisition method of weak GPS signals[J]. Acta Aeronautica Et Astronautica Sinica, 2007,28(6):1433-1437. (in Chinese)
[7]  王俊,李加琪,吴嗣亮.P码直接捕获算法的资源优化[J].宇航学报,2011,32(12):2491-2498. Wang Jun, Li Jiaqi, Wu Siliang. Resource optimizing method for P code direct acquisition[J]. Journal of Astronautics, 2011,32(12):2491-2498. (in Chinese)
[8]  甘应爱,田丰,李维铮,等.运筹学[M].北京:清华大学出版社,1990. Gan Yinai, Tian Feng, Li Weizheng, et al. Operations search[M]. Beijing: Tsinghua University Press,1990. (in Chinese)
[9]  Hirad Mousavi, Ramamurthy A S. Optimal design of multi-reservoir systems for water supply[J]. Advances in Water Resources, 2000,23:613-624.
[10]  王小平,曹立明.遗传算法:理论、应用于软件实现[M].西安:西安交通大学出版社,2002. Wang Xiaoping, Cao Liming. Genetic algorithms: theory, application and software implementation[M]. Xi\'an: Xi\'an Jiaotong University Press, 2002. (in Chinese)
[11]  Renders J M, Flasse S P. Hybrid methods using genetic algorithms for global optimization[J]. IEEE Transaction on System, Man and Cybernetics, Part B: Cybernetics, 1996,26(2):243-258.
[12]  林锉云,董加礼. 多目标优化的方法与理论[M].长春:吉林教育出版社,1992. Lin Cuoyun, Dong Jiali. Methods and theories of multi-objective optimization[M]. Changchun: Jilin Education Press, 1992. (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133