You might not need FFT for this problem, although it's a powerful tool that would work
The minimal LP/HP filter is very little code, https://ccrma.stanford.edu/~jos/filters/Definition_Simplest_Low_Pass.html ________________________________ From: golang-nuts@googlegroups.com <golang-nuts@googlegroups.com> on behalf of pat2...@gmail.com <pat22...@gmail.com> Sent: Wednesday, November 23, 2022 3:21:14 PM To: golang-nuts <golang-nuts@googlegroups.com> Subject: [go-nuts] Re: How to High-pass filter method for well height data You want to find a discrete fast fourier transform package. convolve with a suitable filter, and then inverse the DFFT -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com<mailto:golang-nuts+unsubscr...@googlegroups.com>. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/281723e4-f401-4f4c-8c51-684c2f13914bn%40googlegroups.com<https://groups.google.com/d/msgid/golang-nuts/281723e4-f401-4f4c-8c51-684c2f13914bn%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CO2PR07MB25831BD5400A7DEBB594FDAAA00C9%40CO2PR07MB2583.namprd07.prod.outlook.com.
