Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Signal slope characterization. (A) Top. Unipolar signal first derivative. Bottom. Unipolar signal slope approximation for different window length values, M in ms. (B) Frequency response of the equivalent filter h[n] in Equation (6) for different M values.
