Robin Hood
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In this MATHCAD7 file, Betty Boop demonstrates low pass, high pass, bandpass and band notch filtering algorithms based on raised cosine transfer functions in the frequency domain. These may be applied to both real and complex (e.g. I+jQ) time sampled data. A simple cosine based window function is also included to demonstrate amplitude resolution improvement when slightly non periodic signals are processed. Uploaded by the author, Ian Scott.
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