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Frequency averaging - definition of Frequency averaging in Encyclopedia (124 words) |
 | The process by which the relative phases of precision clocks are compared for the purpose of defining a single time standard. |
| A process in which network synchronization is achieved by use, at all nodes, of oscillators that adjust their frequencies to the average frequency of the digital bit streams received from connected nodes. |
| Note: In frequency averaging, all oscillators are assigned equal weight in determining the ultimate network frequency. |
| paper1.htm (3777 words) |
| Frequency offset may be removed from phase data by subtracting a line determined by the average of the first differences, or by a least-squares linear fit. |
| Frequency drift may be removed from the phase data by a least-squares or 3-point quadratic fit [5], or by subtracting the average of the second differences. |
| Frequency drift may be removed from frequency data by subtracting a least-squares linear fit, by subtracting a line determined by the first-differences of the frequency data or by calculating the drift from the difference between the two halves of the data. |
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