Iterative robust adaptive beamforming
نویسندگان
چکیده
منابع مشابه
Iterative robust adaptive beamforming
The minimum power distortionless response beamformer has a good interference rejection capability, but the desired signal will be suppressed if signal steering vector or data covariance matrix is not precise. The worst-case performance optimization-based robust adaptive beamformer (WCB) has been developed to solve this problem. However, the solution of WCB cannot be expressed in a closed form, ...
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متن کاملNear Optimal Adaptive Robust Beamforming
The performance degradation in traditional adaptive beamformers can be attributed to the imprecise knowledge of the array steering vector and inaccurate estimation of the covariance matrix. The inaccurate estimation of the covariance matrix is due to the limited data samples and presence of desired signal components in the training data, especially when the desired signal is the dominant signal...
متن کاملA Subspace-based Robust Adaptive Capon Beamforming
Adaptive beamforming suffers from performance degradation in the presence of mismatch between the actual and presumed array steering vector of the desired signal. This idea enlightens us, so we propose a subspace approach to adaptive beamforming that is robust to array errors based on minimizing MUSIC output power. The proposed method involves two steps, the first step is to estimate the actual...
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ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2017
ISSN: 1687-6180
DOI: 10.1186/s13634-017-0493-9