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Em primeiro lugar, a função do 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. Separe o sinal e o ruído úteis, melhore a relação anti-interferência e o ruído do sinal.
2. Filtro uninteresting frequency components to improve analysis accuracy.
3. Separe os componentes de frequência simples dos componentes de frequência complexos.
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. Separe o sinal e o ruído úteis, melhore a relação anti-interferência e o ruído do sinal.
2. Filtro uninteresting frequency components to improve analysis accuracy.
3. Separe os componentes de frequência simples dos componentes de frequência complexos.
Mainly used to filtro interference signals. Filtros are often used to increase filtroing and before sampling signals while amplifying weak signals.
