Consider making a lookup table. If your accuracy requirements and space will allow it. This is the way things use to be done before calculators and computers and it will work in a lot of cases.
Bob Stricklin > On Dec 13, 2021, at 6:55 AM, baldwin <[email protected]> wrote: > > Hi Guys, > > Quick question; I'm just wondering what is the best way to calculate arctan > on the FPGA? I am currently using the Xilinx CORDIC block to take I and Q and > use them to calculate phase, but have found this to give unreliable data. > While it sometimes gives out the correct phase value, it often just gives > completely nonsensical results. Just wondering if anybody else has ever had > similar issues. > > All the best, > > Eoin. > > -- > You received this message because you are subscribed to the Google Groups > "[email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/6a1e1ff7f781ec963db9c826b973adec%40cp.dias.ie. -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/D705B8FA-0FD9-434D-9474-1F828B73B2A9%40n5brg.com.
