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Decimators can be used to reduce the sampling frequency, whereas interpolators can be used to increase it. Milic, Ljiljana (2009). Multirate Filtering for Digital Signal Processing. New York: Hershey. p. 35. ISBN 978-1-60566-178-0. Sampling rate conversion systems are used to change the sampling rate of a signal.
Decimator may refer to: . The collector or recipient of tithes; Heinrich Decimator (c.1544 – 1615), a German Protestant theologian, astronomer and linguist; Decimator (Farscape), a fictional race in the TV series Farscape
Generally speaking, using decimation is very common in multirate filter designs. In the second step, after using decimation, interpolation will be used to restore the sampling rate. The advantage of using decimators and interpolator is that they can reduce the computations when resulting in a lower sampling rate.
In digital signal processing, a cascaded integrator–comb (CIC) is a computationally efficient class of low-pass finite impulse response (FIR) filter that chains N number of integrator and comb filter pairs (where N is the filter's order) to form a decimator or interpolator.
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Decimation. Etching by William Hogarth in Beaver's Roman Military Punishments (1725). In the military of ancient Rome, decimation (from Latin decimatio 'removal of a tenth' [1]) was a form of military discipline in which every tenth man in a group was executed by members of his cohort.
In time–frequency signal processing, a filter bank is a special quadratic time–frequency distribution (TFD) that represents the signal in a joint time–frequency domain.
This definition proceeds by establishing the characteristic polynomial independently of the determinant, and defining the determinant as the lowest order term of this polynomial. This general definition recovers the determinant for the matrix algebra A = Mat n × n ( F ) {\displaystyle A=\operatorname {Mat} _{n\times n}(F)} , but also ...