aspcol.kernelinterpolation

Functions

analytic_kernel_weighting_disc_2d(...)	Analytic solution of the kernel interpolation weighting filter integral in the frequency domain for a disc in 2D.
freq_to_time_domain_kernel_matrix(freq_kernel)	Turns a frequency domain kernel matrix into a time domain kernel matrix.
get_interpolation_params(kernel_func, ...)	Calculates parameter vector or matrix given a kernel function for Kernel Ridge Regression.
get_kernel_weighting_filter(kernel_func, ...)	Calculates kernel weighting filter A(w) in frequency domain see 'Spatial active noise control based on kernel interpolation of sound field' by Koyama et al.
get_krr_params(data, pos, wave_num, reg_param)	Calculates the kernel ridge regression parameter vector a for a standard l2 KRR problem
kernel_directional_3d(points1, points2, ...)	Directionally weighted kernel for 3D sound field interpolation.
kernel_directional_3d_combined(points1, ...)	Computes the summed directional kernel for a number of directions and weights.
kernel_directional_3d_slow(points1, points2, ...)	Identical to kernel_directional_3d, but is not JIT compiled by numba.
kernel_gaussian(points1, points2, scale)	Guassian kernel, also known as the radial basis function kernel.
kernel_helmholtz_2d(points1, points2, wave_num)
kernel_helmholtz_3d(points1, points2, wave_num)	Diffuse kernel for 3D sound field interpolation.
kernel_helmholtz_3d_slow(points1, points2, ...)	Identical to kernel_helmholtz_3d, but is not JIT compiled by numba.
kernel_reciprocal_3d(points1, points2, wave_num)	Reciprocal kernel for room impulse response interpolation.
learn_kernel_params_directional_l2(pos, ...)	Computes the directional kernel parameters for the directional kernel according to the L2 method in [1].
multifreq_diffuse_kernel(pos1, pos2, wave_num)	Multiple frequency diffuse sound field kernel.
multifreq_directional_kernel_vonmises(pos1, ...)	Multiple frequency directional sound field kernel.
multifreq_envelope_kernel(pos1, pos2, ...[, ...])	The kernel Gamma_r(r, r') of the time domain diffuse sound field with envelope regularization.
multifreq_envelope_kernel_r2(pos1, pos2, ...)	The kernel Gamma_{r^2}(r, r') of the time domain diffuse sound field with envelope regularization.
multifreq_envelope_kernel_r3(pos1, pos2, ...)	The kernel Gamma_{r^3}(r, r') of the time domain diffuse sound field with envelope regularization.
reconstruct_freq(krr_params, pos_output, ...)	Reconstruct the function from kernel ridge regression parameters
soundfield_interpolation(to_points, ...)	Convenience function for calculating the frequency domain interpolation filter from a set of points to another set of points.
soundfield_interpolation_fir(to_points, ...)	Convenience function for calculating the time domain causal FIR interpolation filter from a set of points to another set of points.
time_domain_diffuse_kernel(pos1, pos2, wave_num)	Time domain diffuse sound field kernel.
time_domain_directional_kernel(pos1, pos2, ...)	The time domain directional kernel for a general directional function.
time_domain_directional_kernel_vonmises(...)
time_domain_directional_kernel_vonmises_approx(...)
time_domain_envelope_integral_kernel(pos1, ...)	The kernel Gamma_r(r, r') of the time domain diffuse sound field with envelope regularization.
time_domain_envelope_integral_kernel_r3(...)	The kernel Gamma_r^3(r, r') of the time domain diffuse sound field with envelope regularization.
time_domain_envelope_kernel(pos1, pos2, ...)	The kernel Gamma_r(r, r') of the time domain diffuse sound field with envelope regularization.
time_domain_envelope_kernel_r2(pos1, pos2, ...)	The kernel Gamma_{r^2}(r, r') of the time domain diffuse sound field with envelope regularization.
time_domain_envelope_kernel_r3(pos1, pos2, ...)	The kernel Gamma_{r^3}(r, r') of the time domain diffuse sound field with envelope regularization.
time_domain_freq_dependent_directional_vonmises(...)