1. • >> I1=imread(lines1.png);• >> imshow(I1);• >> A1=fft2(I1);• >> A2=fftshift(A1);• >> imshow(A2); 2. fft transform for the striplines…

Slide 1What is k-space? what it is how it works ? vs k-space If you were asked to explain how an automobile works, you could divide your answer into two parts. 1: what it…

Slide 1Eleventh Synthesis Imaging Workshop Socorro, June 10-17, 2008 Wide Field Imaging II: Mosaicing Debra Shepherd Slide 2 2 Contents Mosaicing: required when a source…

Slide 1 Chap 4-2. Frequency domain processing Jen-Chang Liu, 2006 Slide 2 Review of Fourier transform Fourier series: Any function that periodically repeats itself can be…

Imaging mosaic VLA mosaic of W50 (Dubner et al 1998) See entire structure of the remnant, not just the fine scale features Ninth Synthesis Imaging Summer School, Socorro,…

Contents Mosaicing: required when a source is BIG. How mosaicing works: Effective (uv) coverage Mosaicing algorithms Preparing mosaic observations Ninth Synthesis Imaging…

Wide Field Imaging II: Mosaicing Debra Shepherd & Mark Holdaway Mosaicing: required when a source is BIG. How mosaicing works: Effective (uv) coverage Mosaicing algorithms…

Contents Mosaicing: required when a source is BIG. How mosaicing works: Effective (uv) coverage Mosaicing algorithms Preparing mosaic observations Ninth Synthesis Imaging…