wradlib.dp.DpMethods.phidp_kdp_vulpiani#
- DpMethods.phidp_kdp_vulpiani(*, winlen=7, **kwargs)[source]#
Retrieves \(K_{DP}\) from \(Phi_{DP}\).
Parameter#
- obj
xarray.DataArray
DataArray containing differential phase
- winlenint
window length
- keyword method:
Defaults to ‘lanczos_conv’. Can also take one of ‘lanczos_dot’, ‘lstsq’, ‘cov’, ‘cov_nan’, ‘matrix_inv’.
- kwtype method:
- keyword skipna:
Defaults to True. Local Linear regression removing NaN values using valid neighbors > min_periods
- kwtype skipna:
- keyword min_periods:
Minimum number of valid values in moving window for linear regression. Defaults to winlen // 2 + 1.
- kwtype min_periods:
- returns:
phidp (
xarray.DataArray
) – DataArraykdp (
xarray.DataArray
) – DataArray
- obj