nmath filtering

Chebyshev Filters in C#

There are three classes of widely used IIR (recursive) filters in signal processing: Butterworth, Chebyshev, and elliptical. In this postI will give a short introduction to Chebyshev filters, present a code implementation, and end with a usage example. The Butterworth filter was discussed in a previous blog article. Chebyshev filters come in two flavors defined by either allowing ripple in the pa...
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Butterworth Filters in C#

There are three classes of widely used IIR (recursive) filters in signal processing: Butterworth, Chebyshev, and elliptical. In this article I will discuss the Butterworth filter and provide example code implementing and using the filter. The Chebyshev and elliptical filters will be discussed in follow up articles. Butterworth filters are desirable for their ease of implementation, good ph...
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