Bi-conjugate gradient based computation of weight vector in space-time adaptive processing

空时自适应信号处理中基于双共轭梯度法的权重向量计算

Science China Information Sciences volume 59, Article number: 129301 (2016) Cite this article

创新点

在空时自适应信号处理中, 权重向量是通过杂波协方差矩阵的逆和一个导向向量的乘积得到的。为了减少计算权重向量的复杂度, 很多研究都是为了降低计算杂波协方差矩阵逆的计算量。本文将计算该权重向量的计算归结为求解一个线性方程组解, 然后用双共轭梯度法求解该权重向量。分析得到该方法的计算复杂度比直接求逆的方法降低了一个级别。

This is a preview of subscription content, access via your institution.

Access options

Buy single article

Instant access to the full article PDF.

US$ 39.95

Tax calculation will be finalised during checkout.

References

  1. 1

    Melvin W L. A STAP overview. IEEE Aerosp Electron Syst Mag, 2004, 19: 19–35

    Article  Google Scholar 

  2. 2

    Ma L, Dickson K, McAllister J, et al. QR decomposition-based matrix inversion for high performance embedded MIMO receiver. IEEE Trans Signal Process, 2011, 59: 1859–1867

    Google Scholar 

  3. 3

    Cao J, Wang X. New recursive algorithm for matrix inversion. J Syst Eng Electron, 2008, 19: 381–384

    Article  MATH  Google Scholar 

  4. 4

    Beau S, Marcos S. Range dependent clutter rejection using range-recursive space-time adaptive processing algorithms. Signal Process, 2010, 90: 57–68

    Article  MATH  Google Scholar 

  5. 5

    Yang X P, Liu Y X, Long T. A pulse-order recursive method for inverse matrix computation applied to space-time adaptive processing. Sci China Inf Sci, 2013, 56: 042312

    MathSciNet  Google Scholar 

  6. 6

    Fletcher R. Conjugate gradient methods for indefinite systems. In: Watson G A, ed. Numerical Analysis. Berlin/Heidelberg: Springer-Verlag, 1976. 73–89

    Google Scholar 

  7. 7

    Joly P, Meurant G. Complex conjugate gradient methods. Numer Math, 1993, 4: 379–406

    MathSciNet  MATH  Google Scholar 

Download references

Author information

Affiliations

  1. School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China

    Gatai Bai, Ran Tao & Yue Wang

  2. School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China

    Ran Tao & Yue Wang

  3. Beijing Key Laboratory of Fractional Signals and Systems, Beijing, 100081, China

    Gatai Bai, Ran Tao & Yue Wang

Authors
  1. Gatai Bai
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Ran Tao
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Yue Wang
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Ran Tao.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Bai, G., Tao, R. & Wang, Y. Bi-conjugate gradient based computation of weight vector in space-time adaptive processing. Sci. China Inf. Sci. 59, 129301 (2016). https://doi.org/10.1007/s11432-016-5591-z

Download citation

关键词

  • 空时自适应信号处理
  • 杂波协方差矩阵
  • 杂波抑制
  • 权重向量
  • 双共轭梯度法