If Xt is a wide-sense stationary process then the mean Î¼ and the variance Ï2 are time-independent, and further the autocorrelation depends only on the lag between t and s: the correlation depends only on the time-distance between the pair of values but not on their position in time.
Febreze is classified as an air freshner, created by Proctor & Gamble. It reports to work by trapping odor molecules in a donut-shaped chemical. The first thing that is really important to understand: the product does not remove odor molecules and it doesn't clean the item it comes into contact with.
Mucinex is the brand name of an expectorant drug called guaifenesin. It helps reduce chest congestions caused by colds, infections, or allergies. Mucinex works by thinning the mucus in the air passages.While Mucinex can help control symptoms, it doesn't treat the cause of congestion.Mucinex is sold both over-the-counter and with a doctor's prescription.ucinex works by thinning the mucus in the air passages. While Mucinex can help control symptoms, it doesn't treat the cause of congestion. Mucinex is sold both over-the-counter and with a doctor's prescription.