'Dirty beam' presentation slideshows

Dirty beam - PowerPoint PPT Presentation

Wide-Field Imaging

Wide-Field Imaging

Wide-Field Imaging. Michael Bietenholz. Based on a lecture by Rick Perley (NRAO) at the NRAO Synthesis Imaging Workshop. Field-of-View Limited by Antenna Primary Beam. Simplest wide-field problem: source is larger than primary beam

★ ★ ★ ★ ★

540 views • 39 slides
Wide-Field Imaging I: Non-Coplanar Visibilities

Wide-Field Imaging I: Non-Coplanar Visibilities

Wide-Field Imaging I: Non-Coplanar Visibilities. Rick Perley. Review: Measurement Equation. From the first lecture, we have a general relation between the complex visibility V(u,v,w), and the sky intensity I ( l , m ):. This equation is valid for:

★ ★ ★ ★ ★

330 views • 32 slides
Lecture 17

Lecture 17

Lecture 17. Reprise: dirty beam, dirty image. Sensitivity Wide-band imaging Weighting Uniform vs Natural Tapering De Villiers weighting Briggs-like schemes. Reprise: dirty beam, dirty image. Fourier inversion of V times the sampling function S gives the dirty image I D :

★ ★ ★ ★ ★

440 views • 30 slides
Deconvolution and Multi frequency synthesis

Deconvolution and Multi frequency synthesis

Deconvolution and Multi frequency synthesis. Bob Sault. Deconvolution. Basics (again!) Multi-frequency synthesis Characteristics of the dirty beam Linear deconvolution Constraints CLEAN Maximum entropy Restoration Multi-frequency deconvolution. An example of deconvolution.

★ ★ ★ ★ ★

303 views • 30 slides
Deconvolution and Multi frequency synthesis

Deconvolution and Multi frequency synthesis

Deconvolution and Multi frequency synthesis. Bob Sault. Deconvolution. Basics (again!) Multi-frequency synthesis Characteristics of the dirty beam Linear deconvolution Constraints CLEAN Maximum entropy Restoration Multi-frequency deconvolution. An example of deconvolution.

★ ★ ★ ★ ★

286 views • 28 slides
Lecture 14

Lecture 14

Lecture 14. Reprise: dirty beam, dirty image. Sensitivity Wide-band imaging Weighting Uniform vs Natural Tapering De Villiers weighting Briggs-like schemes. Reprise: dirty beam, dirty image. Fourier inversion of V times the sampling function S gives the dirty image I D :

★ ★ ★ ★ ★

257 views • 25 slides

View Dirty beam PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Dirty beam PowerPoint presentations. You can view or download Dirty beam presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.