Digital Filters General

Filter Types Butterworth Used in applications where maximum pass band flatness is required. Designed to have as flat a frequency response as possible in the passband. It is also referred to as a maximally flat (no ripples) magnitude filter. One main disadvantage is that it achieves this pass band flatness at the expense of a wide […]

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Median Filter

A median filter is a type of FIR filter which typically takes an odd number of inputs (e.g. 5 or more usually more) and sorts them by value. The filtered output is the median value (the middle value). A median filter can be very effective at removing noise spikes. Example Code   Start New Filter […]

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