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The Effects of Matched Filter on Stable Performance of Semistrapdown Inertially Stabilized Platform

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  • Feng Liu
  • Hua Wang

Abstract

To enhance the optimization performance of matched filter and further improve line of sight (LOS) stability of platform in inertial space, the proposed matched filter algorithm is conducted by adjusting matched filter coefficients of first-order low pass filter utilizing the regional search method based on invariance principle. The coefficients of the fraction molecule and denominator of proposed regional search algorithm are altered instead of denominator coefficients only being modified. Simulations are performed to verify the validity of inside factors performed with stabilization control model and quartz rate sensor (QRS) mathematical model. The stable angular error is sharply alleviated, so the decoupling accuracy of airborne semistrapdown inertially stabilized platform is largely promoted. The optimization matched filter can effectively increase stability of LOS in inertial space.

Suggested Citation

  • Feng Liu & Hua Wang, 2016. "The Effects of Matched Filter on Stable Performance of Semistrapdown Inertially Stabilized Platform," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-9, July.
    • Handle: RePEc:hin:jnlmpe:8389350
    DOI: 10.1155/2016/8389350
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