Sliding Window Discrete Fourier Transform (SWDFT)


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Documentation for package ‘swdft’ version 0.0.1

Help Pages

c1kp Basis C_k, 1, p in fitting procedure
c2kp Basis C_k, 1, p in fitting procedure
coef_to_search Choose frequency time-series in SWDFT to search
compute_mse Compute MSE of local fit given frequency F and grid-point
cosine Cosine signal with adjustable parameters
dirichlet_kernel Dirichlet Kernel
fit_local_cosine Estimate parameters of a local cosine signal
get_grid Compute possible start/length values of local signal
grid_search Estimate Parameters for all Start/Length Combinations of Local Signal
local_signal Local Periodic Signal
plot_mvts Multivariate Time-Series plot of the SWDFT
plot_swdft Time-Frequency Plot of the SWDFT
prou The principal nth root of unity
sine Sine signal with adjustable parameters
star Magnitude of a Variable Star
swdft Sliding Window Discrete Fourier Transform (SWDFT)
swdft_fft Sliding Window Discrete Fourier Transform with base R
swdft_fftw Sliding Window Discrete Fourier Transform using fftw