Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target

SHAO Changyu; DU Lan; HAN Xun; LIU Hongwei

doi:10.11999/JEIT150316

Volume 38 Issue 2

Feb. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(2): 434-441

SHAO Changyu, DU Lan, HAN Xun, LIU Hongwei. Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target[J]. Journal of Electronics & Information Technology, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316

Citation:

SHAO Changyu, DU Lan, HAN Xun, LIU Hongwei. Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target[J]. Journal of Electronics & Information Technology, 2016, 38(2): 434-441. doi: 10.11999/JEIT150316

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Polarization Scattering Characteristics Based Range Alignment for Bandwidth Echoes of Space Coning Target

doi: 10.11999/JEIT150316

Funds:

The National Natural Science Foundation of China (61271024, 61201292, 61322103), The Fundamental Research Funds for the Central Universities (K5051302010), Shanghai Aerospace Science and Technology Innovation Fund (SAST2015009), Aviation Science Fund (20142081009), Key Laboratory Fund of RF Integrated Laboratory in Avionics System

Received Date: 2015-03-17
Rev Recd Date: 2015-10-20
Publish Date: 2016-02-19

Abstract

Abstract

Range alignment is an important step in the preprocessing of wideband radar echoes. However for the echoes of space coning target with micro-motions that only has several scatter centers, the range alignment methods available do not work well. Range alignment is the key step in the parameters estimation algorithms for wideband radar echoes of targets with micro-motions. This paper proposes a range alignment method based on the polarization scattering characteristics. The proposed method first estimates the number, locations and polarization scattering matrices of the scatter centers in the wideband radar echoes using the combing Pole Capon and Amplitude and Phase EStimation (P-CAPES) super-resolution method. Then, polarization similarities of the scatter centers in the adjacent echoes are calculated with the polarization scattering matrices and are used to range alignment. Experiments verify the effectiveness of the proposed method by using electromagnetic data.
- Wideband radar,
- Micro-motion,
- Polarization scattering matrix,
- Combing Pole Capon and Amplitude and Phase EStimation (P-CAPES),
- Range alignment

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References(28)

References

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