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Enhanced MISC-Based Sparse Array With High uDOFs and Low Mutual Coupling
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DOI：10.1109/TCSII.2023.3310512.png)
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摘要
En 中文
In this brief, 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.
Keyword:
Estimation
Direction-of-arrival estimation
Spatial resolution
Simulation
Sensors
Sensor arrays
Mutual coupling
MISC
sparse array (SA)
uDOFs
MC
DOA estimation
期刊
I
IF:
4.9
论文数:
8.8K
被引数:
2.5W
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引用论文
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