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In primo luogo, la funzione del filtro
Loop function: make the signal of a certain frequency band pass smoothly and filtro out the signal of other frequency band, so it is actually a frequency selection loop. Filtro is a very important loop in weak signal measurement, and analog filtro is almost indispensable in various signal processing. The signal below is low pass filtroed.
Second, the role of the filtro
1. Separare il segnale e il rumore utili, migliorare il rapporto anti-interferenza e rumore del segnale.
2. Filtro uninteresting frequency components to improve analysis accuracy.
3. Separare le componenti a frequenza singola da quelle a frequenza complessa.
Mainly used to filtro interference signals. Filtros are often used to increase filtroing and before sampling signals while amplifying weak signals.
Loop function: make the signal of a certain frequency band pass smoothly and filtro out the signal of other frequency band, so it is actually a frequency selection loop. Filtro is a very important loop in weak signal measurement, and analog filtro is almost indispensable in various signal processing. The signal below is low pass filtroed.
Second, the role of the filtro
1. Separare il segnale e il rumore utili, migliorare il rapporto anti-interferenza e rumore del segnale.
2. Filtro uninteresting frequency components to improve analysis accuracy.
3. Separare le componenti a frequenza singola da quelle a frequenza complessa.
Mainly used to filtro interference signals. Filtros are often used to increase filtroing and before sampling signals while amplifying weak signals.
