class_docstr: A computed beamformer.
  
  Notes
  -----
  .. versionadded:: 0.17
docstr: Copy the beamformer.
  
  Returns
  -------
  beamformer : instance of Beamformer
      A deep copy of the beamformer.
docstr_tok: ["Copy","the","beamformer",".","Returns","--","--","--","-","beamformer",":","instance","of","Beamformer","A","deep","copy","of","the","beamformer","."]
code: def copy(self):
      """Copy the beamformer.
  
      Returns
      -------
      beamformer : instance of Beamformer
          A deep copy of the beamformer.
      """
      return deepcopy(self)
  
imports: from copy import deepcopy
  import numpy
  from .._fiff.proj import Projection, make_projector
  from ..cov import Covariance, make_ad_hoc_cov
  from ..forward.forward import _restrict_forward_to_src_sel, is_fixed_orient
  from ..minimum_norm.inverse import _get_vertno, _prepare_forward
  from ..source_space._source_space import label_src_vertno_sel
  from ..time_frequency.csd import CrossSpectralDensity
  from ..utils import _check_option, _check_src_normal, _import_h5io_funcs, _pl, _reg_pinv, _sym_mat_pow, check_fname, logger, verbose, warn
label_desc: Use image node_id 1 for calling the Beamformer obj's underlying member method code with example usage: obj.copy() and returns: deepcopy