What's the significance of a low pass filter over pass band? As it allows a signal with a frequency range zero to cut off, isn't it a kind of pass band filter? -
![A Note on Band-Pass Filters Based on the Hodrick-Prescott Filter and the OECD System of Composite Leading Indicators | READ online A Note on Band-Pass Filters Based on the Hodrick-Prescott Filter and the OECD System of Composite Leading Indicators | READ online](https://oecd.dam-broadcast.com/medias/domain7379/media1691/255379-70dp8ltk65-xlarge.jpg)
A Note on Band-Pass Filters Based on the Hodrick-Prescott Filter and the OECD System of Composite Leading Indicators | READ online
![Christiano-Fitzgerald band-pass filter (8-20-year cycle) of M3 growth... | Download Scientific Diagram Christiano-Fitzgerald band-pass filter (8-20-year cycle) of M3 growth... | Download Scientific Diagram](https://www.researchgate.net/publication/348196875/figure/fig4/AS:976520587771905@1609832059402/Christiano-Fitzgerald-band-pass-filter-8-20-year-cycle-of-M3-growth-and-inflation-from.png)
Christiano-Fitzgerald band-pass filter (8-20-year cycle) of M3 growth... | Download Scientific Diagram
![Bandpass Filter window length: filter "in phase" with sinusoidal input - Signal Processing Stack Exchange Bandpass Filter window length: filter "in phase" with sinusoidal input - Signal Processing Stack Exchange](https://i.stack.imgur.com/W4T1G.jpg)