Mathematics of the bandpass function
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How can I see the math behnd the bandpass function? Is it butterworth or what is the formula used? The help function dosn't seem to help. I would like to know the background mathematics behind the function.
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Jan
il 11 Giu 2019
The documentation explains:
bandpass uses a minimum-order filter with a stopband attenuation of 60 dB and compensates for the delay introduced by the filter.
Did you use the debugger already to examine, what is calculated? Set a breakpoint in the first line of bandpass.m and step through the code line by line. This should reveal all details.
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Star Strider
il 11 Giu 2019
When I used it, the bandpass function designed an efficient elliptical filter. You can simulate it with the ellipord, ellip, zp2sos, and filtfilt functions.
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