A laser line filter is a precision optical filter with an extremely narrow passband centered on a standard laser wavelength. These optical filters are used to prevent the distortion of measurement ...

DELTA has lifted the application range of variable filters to new levels by introducing a new powerful type of linear variable filter (LVF). Since DELTA offered the first linear variable filters in ...

This paper considers the problem of jointly decomposing a set of time series variables into cyclical and trend components, subject to sets of stochastic linear restrictions among these cyclical and ...