Results 211 to 220 of about 479,510 (262)

On the Size and Redundancy of the Fourth-Order Difference Co-Array

IEEE Signal Processing Letters, 2021
In array processing, the fourth-order difference co-array of sparse arrays with $N$ sensors admits to resolve $\mathcal {O}(N^4)$ source directions with proper assumptions. This $\mathcal {O}(N^4)$ property is relevant to the size of the central uniform linear array (ULA) segment of the fourth-order difference co-array.
Yuan-Pon Chen, Chun-Lin Liu
openaire   +1 more source

Generalized design method for the difference co-array of the sum co-array

2016 IEEE International Conference on Digital Signal Processing (DSP), 2016
Active direction of arrival estimation system can significantly improve the degrees of freedom (DOFs), since the vectorized covariance matrix of the data measurements from transmit and receive arrays can be considered as observations from a augmented virtual array, whose elements are given by the difference co-array of the sum co-array (DCSC).
Jianyan Liu   +3 more
openaire   +1 more source

A framework for performance analysis of Co‐Array Fortran

Concurrency and Computation: Practice and Experience, 2007
AbstractCo‐Array Fortran (CAF) is a parallel programming extension to Fortran that provides a straightforward mechanism for representing distributed memory communication and, in particular, one‐sided communication. Although this integration of communication primitives with the language improves programmer productivity, this new level of abstraction ...
Bernd Mohr   +2 more
openaire   +1 more source

Experiences with Sweep3D implementations in Co-array Fortran

The Journal of Supercomputing, 2006
As part of the recent focus on increasing the productivity of parallel application developers, Co-array Fortran (CAF) has emerged as an appealing alternative to the Message Passing Interface (MPI). CAF belongs to the family of global address space parallel programming languages; such languages provide the abstraction of globally addressable memory ...
Cristian Coarfa   +2 more
openaire   +1 more source

Generalising the co-array, for SAR and MIMO radar

2015 IEEE Radar Conference (RadarCon), 2015
We describe the relationship between far field pattern synthesis for the co-array and the SAR array; showing the application of these to MIMO radar pattern synthesis. Whereas the original co-array concept was developed for planar arrays, the understanding as described in this paper shows its generalisation to arbitrary three dimensional arrays.
Kilpatrick, Troy, Longstaff, I.Dennis
openaire   +2 more sources

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