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modBin is a floating-point value and can take on any real value including non-integer values. By default modBin = 0.25. The module supports real and complex inputs and always generates a complex output. Internally, the module generates the complex coefficients in the Set function and then applies the coefficients in the Processing function. The coefficients are an array of complex value values of length blockSize:
modCoeffs[n]_real = cos(2 * pi * n * modBin / K);
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