Parameter Sstimation Methods of Uni-Direction-ElectroMagnetic-Vector-Sensor

HU Yili; ZHAO Yongbo; CHEN Sheng; NIU Ben

doi:10.11999/JEIT211385

Volume 45 Issue 2

Feb. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(2): 558-566

HU Yili, ZHAO Yongbo, CHEN Sheng, NIU Ben. Parameter Sstimation Methods of Uni-Direction-ElectroMagnetic-Vector-Sensor[J]. Journal of Electronics & Information Technology, 2023, 45(2): 558-566. doi: 10.11999/JEIT211385

Citation:

HU Yili, ZHAO Yongbo, CHEN Sheng, NIU Ben. Parameter Sstimation Methods of Uni-Direction-ElectroMagnetic-Vector-Sensor[J]. Journal of Electronics & Information Technology, 2023, 45(2): 558-566. doi: 10.11999/JEIT211385

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Parameter Sstimation Methods of Uni-Direction-ElectroMagnetic-Vector-Sensor

doi: 10.11999/JEIT211385

National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China

Funds: The Fund for Foreign Scholars in University Research and Teaching Programs (B18039)

Received Date: 2021-11-30
Rev Recd Date: 2022-03-28

Available Online: 2022-04-07

Publish Date: 2023-02-07

Abstract

Abstract

The traditional Uni-ElectroMagnetic-Vector-Sensor (UEMVS) is composed of three electric dipoles and three magnetic loops, and the pattern is omnidirectional. However, when multiple UEMVS are attached to the conformal platform to form a conformal UEMVS array, the pattern of each sensor is usually directional to reduce the sidelobe of the conformal UEMVS array. The UEMVS based on directional pattern is also called Uni-Direction-ElectroMagnetic-Vector-Sensor(UDEMVS). Considering the parameter estimation problem of UDEMVS, two parameter estimation methods, namely the Estimation of Signal Parameters via Rotational Invariant Technique and Vector Cross Product(ESPRIT-VCP) based on gridless search, and MUltiple SIgnal Classification and Minimum Rayleigh Quotient(MUSIC-MRQ) based on grid search, are proposed. The closed-form solutions of ESPRIT-VCP method can be obtained by the rotation invariance and vector cross product. The angle estimation results of MUSIC-MRQ method can be obtained by grid search and the minimum Rayleigh quotient model, and then the two-dimensional polarization parameters can be obtained by combining with the signal echo model. Using only six channel data of UDEMVS, the proposed two methods can effectively obtain the parameter estimation results, and have low computational complexity. Simulation results verify the effectiveness of the proposed method from the estimation performance of angle and polarization.
- Uni-Direction-ElectroMagnetic-Vector-Sensor (UDEMVS),
- Parameter estimation,
- Vector cross product,
- Minimum Rayleigh quotient

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References(24)

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