Study of Enhanced MISC-Based Sparse Arrays with High uDOFs and Low Mutual Coupling
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Abstract (arXiv)
In this letter, inspired by the maximum inter-element spacing (IES) constraint (MISC) criterion, an enhanced MISC-based (EMISC) sparse array (SA) with high uniform degrees-of-freedom (uDOFs) and low mutual-coupling (MC) is proposed, analyzed and discussed in detail. For the EMISC SA, an IES set is first determined by the maximum IES and number of elements. Then, the EMISC SA is composed of seven uniform linear sub-arrays (ULSAs) derived from an IES set. An analysis of the uDOFs and weight function shows that, the proposed EMISC SA outperforms the IMISC SA in terms of uDOF and MC. Simulation results show a significant advantage of the EMISC SA over other existing SAs.
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References · 4
- 2016Design of Robust Adaptive Beamforming Algorithms Based on Low-Rank and Cross-Correlation Techniquescited by 20
- 2014Direction Finding Algorithms with Joint Iterative Subspace Optimizationcited by 19
- 2021ULA Fitting for Sparse Array Designcited by 2
- 2022Study of Novel Sparse Array Design Based on the Maximum Inter-Element Spacing Criterioncited by 1
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