Butterworth filter


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Butterworth filter

[′bəd·ər‚wərth ′fil·tər]
(electronics)
An electric filter whose pass band (graph of transmission versus frequency) has a maximally flat shape.
References in periodicals archive ?
This time, we choose a Chebyshev filter, with exactly the same sampling choice as for the above Butterworth filter.
3 standard parameters (hfQRS, RMS40, LAS<40)--calculated from signal filtered by 40Hz high-pass and 250 Hz low pass four-pole IIR Butterworth filter,
Filtering - Enable or disable the use of the 2-pole, 10 kHz, Butterworth filter.
For example, there is an applet assisting with the design of a simple Butterworth Filter and one containing a reflectometer calculator.
The filter approximates the performance of a 4th order Butterworth filter with an optimization toward low overshoot and flat group delay.
As the foremost producer of Signal Averaged ECG (SAECG) products utilizing the patented bi-directional Butterworth filter, the company has received many requests from physicians throughout the world for this addition to our product line.