… a filter is, what problems are to be expected when using them, how to choose the right filter,
… We recommend reporting filter characteristics with sufficient details, including a plot of the …

… We will suggest that with an appropriate concept of "surface filter", the program that falls under
(la) … Postal (1974, 128) discusses a version of this filter. Below, we consider various filters …

… the other passes through the filter; (2) any particle passing through the filter with certainty (ie
… (filters)! To avoid the "vicious circle", we need an operational definition of filters which would …

… concerning nen-commutativity of the product of filters* § 3 contains some definitions and …
§ 4 we show that in a rather general situation filters do not commute* Namelyf if two filters & …

… of active filters can evaluate … filters, a generalised block diagram of an active power filter
is presented in Section 2. The subsequent Sections deal with the classification of active filters …

… Let us postpone further study of the characteristics of matched filters until we have gained
enough familiarity with the contexts in which they appear to know what properties are …

… The guided-mode resonance filter represents a basic new optical element. … cavity mirror
filter is illustrated. The unfiltered broadband part of the spectrum passes through the filter and is …

… c and d of the filter are assumed to be constants. Such filters are called time-invariant filters
and are the filters most used in practice. Timevarying filters are occasionally useful and will …

According to Herpin’s theorem, a symmetrical thin-film combination is equivalent, at one
wavelength, to a single film, characterized by an equivalent index and equivalent thickness. If a …

… by aselection of filter design tables for Butterworth, Chebyshev, Cauer and Bessel filters. …
in Turbo Pascal which can be used in their own filter design programs. These may be easily …