Basic FAQ for FFT Analyzer

The process of converting an analog time signal that changes over time into a digital signal at certain time intervals using an A/D converter is called sampling, and the time interval is referred to as the sampling period (sampling interval). Additionally, the reciprocal of the sampling period is called sampling frequency, which represents the speed at which data is captured. Specifically, it indicates the number of times the input analog signal is sampled per second
("frequency").