class_docstr: Abstract class for signal reconstruction models
      
class_docstr_tok: ["Abstract","class","for","signal","reconstruction","models"]
docstr: Initialization of the abstract class for signal reconstruction models
  
  Parameters
  ----------
  gtab : GradientTable class instance
docstr_tok: ["Initialization","of","the","abstract","class","for","signal","reconstruction","models","Parameters","--","--","--","--","--","gtab",":","GradientTable","class","instance"]
code: def __init__(self, gtab):
      """Initialization of the abstract class for signal reconstruction models
  
      Parameters
      ----------
      gtab : GradientTable class instance
  
      """
      self.gtab = gtab
  
label_desc: Use image node_id 1 to create a new ReconstModel object  with example: obj = ReconstModel(gtab)