Optimal Sharpening of Compensated Comb Decimation Filters: Analysis and Design

Figure 2

Estimated degree of the sharpening polynomial to sharpen comb filters (dashed line) and compensated comb filters (solid line), with 𝛿_𝑝=0.001 and 𝛿_𝑠=0.001 (a), 𝛿_𝑠=0.0001 (b), and 𝛿_𝑠=0.00001 (c).

(a)

(b)

(c)