Declaration

THammingKernel = class(TWindowedSincKernel)

Description

THammingKernel implements a sinc filter modulated by a Hamming window function.

Mathematics

$$w(x)=0.54+0.46\cos \left(\frac{\pi x}{W}\right)$$

The overall filter function is $f(x)=\text{sinc}(x)\cdot w(x)$ for $|x|\le N$.

References

• Richard W. Hamming, "Digital Filters", Prentice-Hall, 1977.
• Window function - Hamming window (Wikipedia)