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.
The real and imaginary portions of the impedance spectrum of the sensor after the background subtraction. The resonant frequency f0 is defined as the maximal of the real impedance, while the zero-reactance frequency fz is the zero of the imaginary impedance.
