Robustness of Difference Coarrays of Sparse Arrays to Sensor Failures-Part I: A Theory Motivated by Coarray MUSIC

In array processing, sparse arrays are capable of resolving O(N 2 ) uncorrelated sources with N sensors. Sparse arrays have this property because they possess uniform linear array (ULA) segments of size O(N 2 ) in the difference coarray, defined as the differences between sensor locations. However,...

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Vydáno v:	IEEE transactions on signal processing Ročník 67; číslo 12; s. 3213 - 3226
Hlavní autoři:	Chun-Lin Liu, Vaidyanathan, Palghat P.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 15.06.2019 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms Array signal processing difference coarrays Direction-of-arrival estimation Failure Fragility Geometry Multiple signal classification Redundancy Robustness Sensor arrays Sensors Signal classification Sparse arrays the <inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> k</tex-math> </inline-formula>-essential Sperner family the <inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> k</tex-math> </inline-formula>-essentialness property the <inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> k</tex-math> </inline-formula>-fragility
ISSN:	1053-587X, 1941-0476
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