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Increase smoothing factor in refclock variance

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This commit is contained in:
Miroslav Lichvar 2011-04-20 12:38:34 +02:00
parent 55e0c6a0a1
commit 7f12919fea
1 changed files with 2 additions and 2 deletions
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4
refclock.c
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@ -825,8 +825,8 @@ filter_get_sample(struct MedianFilter *filter, struct timeval *sample_time, doub
prev_avg_var = filter->avg_var;
/* update exponential moving average of the variance */
if (filter->avg_var_n > 100) {
filter->avg_var += dof / (dof + 100.0) * (var - filter->avg_var);
if (filter->avg_var_n > 50) {
filter->avg_var += dof / (dof + 50.0) * (var - filter->avg_var);
} else {
filter->avg_var = (filter->avg_var * filter->avg_var_n + var * dof) /
(dof + filter->avg_var_n);