Minimum Phase Property of Chebyshev-Sharpened Cosine Filters

Table 5

Comparison of results in Examples 1 and 2.

	Example 1		Example 2
	Proposed	Method [6]	Proposed	Method [6]
Group delay (samples)	16	22.5	30	56
Complexity of implementation; (number of adders/number of delays)	30/44	15/45	58/90	24/120
% improvement in group delay; (compared with method [6])	≈30%	—	≈47%	—
% increase in complexity of implementation (compared with method [6])	≈23%	—	≈3%	—