Re: [ferret_users] low_pass_filter

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Subject: Re: [ferret_users] low_pass_filter
From: Ryo Furue <furue@xxxxxxxxxx>
Date: Thu, 12 Jul 2012 21:56:15 -1000 (HST)
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Hi

> Ferret has a linear least squares lanczos low pass filter . . .

Ferret also has smoothing operators such as @shn,
which is a low-pass filter using the Hann window.  See

http://ferret.pmel.noaa.gov/Ferret/documentation/users-guide/variables-xpressions/XPRESSIONS#_VPINDEXENTRY_460

Regards,
Ryo

References:
- [ferret_users] low_pass_filter
  - From: Wilhelm Haygen
- Re: [ferret_users] low_pass_filter
  - From: E. D. (Ned) Cokelet

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