- 标题
- 摘要
- 关键词
- 实验方案
- 产品
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Sensor Localization for Highly-Deformed Partially Calibrated Arrays with Moving Targets
摘要： In this letter, a sensor localization technique for highly-deformed partially calibrated arrays with multiple moving targets is proposed. The deformed array is divided into several subarrays. The first subarray is composed of the pre-calibrated sensors, while the sensors in the other subarrays are uncalibrated. The positions of the sensors are estimated from the phase differences between the pre-calibrated sensors and the uncalibrated sensors. The phase ambiguities caused by the highly-deformed sensor positions can be solved using the subspace orthogonality and the movement of multiple targets. Simulation results evaluate the performance of the proposed method, and the Cramer–Rao bounds are compared.
关键词： highly-deformed sensor array,partially calibrated sensor array,phase ambiguity,Sensor localization
更新于2025-09-23 15:23:52
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[Institution of Engineering and Technology 12th European Conference on Antennas and Propagation (EuCAP 2018) - London, UK (9-13 April 2018)] 12th European Conference on Antennas and Propagation (EuCAP 2018) - Retrieving the Constitutive Parameters of MetalBacked Radar Absorbing Material by Phase Unwrapping Method
摘要： In this paper, we present a phase unwrapping method to unambiguously retrieve the constitutive parameters of metal-backed radar absorbing material (RAM) over the frequency range of 2-18 GHz from the reflection coefficients of slabs with two different thicknesses. Compared with the traditional transmission and reflection method, for example, Nicolson-Ross-Weir (NRW) algorithm, the presented method depends on properly compensating propagation factor with different phase values over specific frequency ranges to resolve the phase ambiguity during the retrieving process. The method is demonstrated over metal-backed magnetic RAM and the validity is confirmed by the good agreement between the retrieved results and the existing experimental data over 2-18 GHz frequency range.
关键词： phase ambiguity,constitutive parameters,reflection coefficient,metal-backed radar absorbing material
更新于2025-09-04 15:30:14