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. 2014 Dec 17;13:170. doi: 10.1186/1475-925X-13-170

Figure 5.

Figure 5

IIR lattice notch filter structure for ALNF. Upper part means all-pole filter and lower part is all-zero filter. (a): signal flow graph representation, (b): block diagram representation. D(z) and N(z) represent denominator and numerator of transfer function of IIR lattice notch filter, respectively.