Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Filter characteristics (−3 dB) for 3– and 5-point moving averages, using one or two passes. For example, for a 60 Hz system, applying a 3-point moving average once yields an effective 8.8 Hz filter
| Sampling frequency (Hz) | 3-point | 3-point | 5-point | 5-point |
|---|---|---|---|---|
| One-pass frequency (Hz) | Two-pass frequency (Hz) | One-pass frequency (Hz) | Two-pass frequency (Hz) | |
| 50 | 7.3 | 5.2 | 4.4 | 3.1 |
|
| ||||
| 60 | 8.8 | 6.2 | 5.3 | 3.7 |
|
| ||||
| 120 | 17.6 | 12.4 | 10.6 | 7.4 |
