3/30/2024 0 Comments Dual pi filter designThis implements the following transfer function.įilter data along one-dimension with an IIR or FIR filter.Ĭonstruct initial conditions for lfilter given input and output vectors.Ĭonstruct initial conditions for lfilter for step response steady-state.įiltfilt(b, a, x)Īpply a digital filter forward and backward to a signal. The second section uses a reversed sequence. Implement a smoothing IIR filter with mirror-symmetric boundary conditions using a cascade of second-order sections. This implements a system with the following transfer function and mirror-symmetric boundary conditions. Implement a smoothing IIR filter with mirror-symmetric boundary conditions using a cascade of first-order sections. Perform a Wiener filter on an N-dimensional array. Perform a median filter on an N-dimensional array. Smoothing spline (cubic) filtering of a rank-2 array. Gaussian approximation to B-spline basis function of order n.Ĭompute cubic spline coefficients for rank-1 array.Ĭompute quadratic spline coefficients for rank-1 array.Ĭoefficients for 2-D cubic (3rd order) B-spline.Ĭoefficients for 2-D quadratic (2nd order) B-spline:Įvaluate a cubic spline at the new set of points.Įvaluate a quadratic spline at the new set of points.
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