Re: 2D FT of f(r): Fast Hankel Transforms
- To: mathgroup at smc.vnet.net
- Subject: [mg64201] Re: 2D FT of f(r): Fast Hankel Transforms
- From: AES <siegman at stanford.edu>
- Date: Sun, 5 Feb 2006 04:44:55 -0500 (EST)
- Organization: Stanford University
- References: <drus3g$fnf$1@smc.vnet.net> <ds1ruu$fmh$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <ds1ruu$fmh$1 at smc.vnet.net>, "Hypermars" <hypermars00 at yahoo.com> wrote: > "David Annetts" <davidannetts at aapt.net.au> wrote in message > news:drus3g$fnf$1 at smc.vnet.net... > > > You can implement them as a convolution with a digital filter. Google for > > various papers so you can derive coefficients, but one I'd recommend is > > JOHANSEN, HK, AND SORENSEN, K. Fast Hankel transforms in Geophysical > > Prospecting from a "fair while ago". > > I'll certainly look into it, thank you. The choice of journal is > intriguing...what are the applications of FHTs to Geophysics? Earthquakes spread out radially on a surface? (Or tsunamis?) > > Bye > Hyper