coarray

English

From co- +‎ array .

coarray (plural coarrays )

(mathematics ) The mapping of an array into a cogroup.
- 2016, Mianzhi Wang, Arye Nehorai, "Coarrays, MUSIC, and the Cramér Rao Bound", in arXiv‎^[1]:
  In this paper, we derive a simplified asymptotic mean square error (MSE) expression for the MUSIC algorithm applied to the coarray model, which is applicable even if the source number exceeds the sensor number.
(computing ) A variable declared with a codimension.
(signal processing ) The set of vector differences between the transmit and receive arrays.