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Во-первых, функция фильтр
Loop function: make the signal of a certain frequency band pass smoothly and фильтр out the signal of other frequency band, so it is actually a frequency selection loop. Фильтр is a very important loop in weak signal measurement, and analog фильтр is almost indispensable in various signal processing. The signal below is low pass фильтрed.
Second, the role of the фильтр
1. Разделите полезный сигнал и шум, улучшите помехоустойчивость сигнала и коэффициент шума.
2. Фильтр uninteresting frequency components to improve analysis accuracy.
3. Отделите одночастотные компоненты от сложных частотных компонентов.
Mainly used to фильтр interference signals. Фильтрs are often used to increase фильтрing and before sampling signals while amplifying weak signals.
Loop function: make the signal of a certain frequency band pass smoothly and фильтр out the signal of other frequency band, so it is actually a frequency selection loop. Фильтр is a very important loop in weak signal measurement, and analog фильтр is almost indispensable in various signal processing. The signal below is low pass фильтрed.
Second, the role of the фильтр
1. Разделите полезный сигнал и шум, улучшите помехоустойчивость сигнала и коэффициент шума.
2. Фильтр uninteresting frequency components to improve analysis accuracy.
3. Отделите одночастотные компоненты от сложных частотных компонентов.
Mainly used to фильтр interference signals. Фильтрs are often used to increase фильтрing and before sampling signals while amplifying weak signals.
