Efficient and Accurate Optimal Linear Phase FIR Filter Design Using Opposition-Based Harmony Search Algorithm

Table 13

Statistical parameters of FIR BP filters for different algorithms.

Algorithm	FIR BP filter of order 20
	Pass band ripple (normalized)				Stop band attenuation (dB)
	Maximum	Mean	Variance	Standard deviation	Maximum	Mean	Variance	Standard deviation
PM	0.0763	0.07610	2𝑒−8	0.000141	22.38	22.42	0.007267	0.085245
RGA	0.1670	0.145167	0.000448	0.021175	30.80	35.941667	7.752181	2.784278
PSO	0.1460	0.141367	2.11𝑒−5	0.004597	32.03	36.6	10.40607	3.225844
DE	0.1520	0.142533	0.000101	0.010062	32.58	36.86	7.605033	2.757722
OHS	0.1530	0.144567	0.000126	0.011227	34.76	37.215	3.209158	1.791412