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CYBERSKA
A Cyberinfrastructure platform to meet the needs of data intensive radio astronomy on route to the SKA |
Results for "calibration"
Bookmarks
Precision calibration of radio interferometers using redundant baselines
...ents, these interferometers may require new calibration techniques in order to reach their design sensitivities. Self-calibration or redundant calibration tech...the errors and biases in existing redundant calibration schemes through simulations,...4631 days ago
Radio Interferometric Calibration Using The SAGE Algorithm
...this goal, the accuracy of the calibration techniques used is of conside...f data, speed of convergence of calibration is a major bottleneck. The er...e, and the solution obtained by calibration. We present the Space Alterna...ng the performance of different calibration schemes.4491 days ago
On the Calibration of Full-polarization 86GHz Global VLBI Observations
...opment of a semi-automatic pipeline for the calibration of 86 GHz full-polarization o...llimeter-VLBI array (GMVA) and describe the calibration strategy followed in the data..., as an example of the final product of our calibration pipeline, and discuss the eff...4035 days ago
Radio interferometric calibration using the SAGE algorithm
...accomplish this goal, the accuracy of the calibration techniques used is of conside...e amounts of data, speed of convergence of calibration is a major bottleneck. The e...system noise) and the solution obtained by calibration. We present the Space Alterna...4363 days ago
Clustered Radio Interferometric Calibration
This paper introduces an amendment to radio interferometric calibration of sources below the noise level. The...r's sources. An illustrative example reveals the superiority of this calibration compared to the un-clustered...4316 days ago
CALIM 2010: 5th SKA Workshop on Calibration and Imaging
The CALIM series of workshops focuses on progress in algorithms, software and computing aimed at solving the challenges in calibration and imaging requirements of the SKA, its pathfinders and other major new radio telescopes such as EVLA, ALMA, LOFAR, ASKAP, MeerKAT, MWA, LWA, and eMERLIN.4723 days ago
Reduced Ambiguity Calibration for LOFAR
Interferometric calibration always yields non unique solutions. It is the...the ionosphere. We present a method for LOFAR calibration which does not yield a unitar...enables us to use the solutions obtained via calibration for further modeling of instr...3952 days ago
Revisiting the radio interferometer measurement equation. I. A full-sky Jones formalism
...ematical basis for the development of novel calibration methods and techniques, inclu...ow the benefits of a RIME-based approach to calibration. Paper I re-derives the RIME...olutions, and thus can be used as potential calibration beacons in other DDE-related...4455 days ago
Absolute polarization angle calibration using polarized diffuse Galactic emission observed by BICEP
...nstrain the polarization angle offset of WMAP Wband to 0.6 degrees +\- 1.4 degrees. The expected 1 sigma errors on the polarization angle cross-calibration for Planck or EPIC are 1.3 de...4633 days ago
Phased Array Feed Calibration, Beamforming and Imaging
...tor field of view and faster survey speeds. To address some of the development challenges that remain for scientifically useful PAFs, including calibration and beamforming algorithms, s...4613 days ago
