Figure 4.
Signal processing and electronic system. (1) The air pressure sensor. (2) RC low-pass filtering circuit. (3) Modular for signal amplitude amplification and offset. (4) Embedded electronic system.
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.