[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Tasse et al., 2018 - Google Patents

Faceting for direction-dependent spectral deconvolution

Tasse et al., 2018

View PDF
Document ID
8453034061212028205
Author
Tasse C
Hugo B
Mirmont M
Smirnov O
Atemkeng M
Bester L
Hardcastle M
Lakhoo R
Perkins S
Shimwell T
Publication year
Publication venue
Astronomy & Astrophysics

External Links

Snippet

The new generation of radio interferometers is characterized by high sensitivity, wide fields of view and large fractional bandwidth. To synthesize the deepest images enabled by the high dynamic range of these instruments requires us to take into account the direction …
Continue reading at www.aanda.org (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for programme control, e.g. control unit
    • G06F9/06—Arrangements for programme control, e.g. control unit using stored programme, i.e. using internal store of processing equipment to receive and retain programme
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. FFT domain scaling

Similar Documents

Publication Publication Date Title
Tasse et al. Faceting for direction-dependent spectral deconvolution
Smirnov Revisiting the radio interferometer measurement equation-II. Calibration and direction-dependent effects
Tasse et al. Applying full polarization A-Projection to very wide field of view instruments: An imager for LOFAR
Salvini et al. Fast gain calibration in radio astronomy using alternating direction implicit methods: Analysis and applications
Garsden et al. LOFAR sparse image reconstruction
Cantalupo et al. MADmap: A massively parallel maximum likelihood cosmic microwave background map-maker
van der Veen et al. Signal processing tools for radio astronomy
CN107544051A (en) Wave arrival direction estimating method of the nested array based on K R subspaces
CN110244272B (en) Direction-of-arrival estimation method based on rank-denoising model
Bell et al. Faraday synthesis-The synergy of aperture and rotation measure synthesis
CN108802669B (en) Two-dimensional direction of arrival estimation method, two-dimensional direction of arrival estimation device and terminal
Vijay Kartik et al. A Fourier dimensionality reduction model for big data interferometric imaging
Keihänen et al. ArtDeco: a beam-deconvolution code for absolute cosmic microwave background measurements
Girard et al. Sparse representations and convex optimization as tools for LOFAR radio interferometric imaging
Winkel et al. Cygrid: a fast cython-powered convolution-based gridding module for python
Albert et al. Probabilistic direction-dependent ionospheric calibration for LOFAR-HBA
McEwen et al. Simulating full-sky interferometric observations
van der Veen et al. Signal processing for radio astronomy
Sardarabadi et al. Radio astronomical image formation using constrained least squares and Krylov subspaces
Zhang et al. DoA estimation based on accelerated structured alternating projection using coprime array
Hardy Direct deconvolution of radio synthesis images using l1 minimisation
Hosseini et al. DOA estimation using multiple measurement vector model with sparse solutions in linear array scenarios
Cao et al. Elevation, azimuth, and polarization estimation with nested electromagnetic vector-sensor arrays via tensor modeling
Lin et al. Widened nested array: configuration design, optimal array and DOA estimation algorithm
Alonso et al. Non-linear parallel solver for detecting point sources in CMB maps using Bayesian techniques