class_docstr: Waveform analyzer
class_docstr_tok: ["Waveform","analyzer"]
code: def id():
      return "waveform_analyzer"
  
file_path: TimeSide/timeside/plugins/analyzer/waveform.py
imports: from timeside.core import implements, interfacedoc
  from timeside.core.analyzer import Analyzer
  from timeside.core.api import IAnalyzer
  import numpy
  from timeside.core.grapher import DisplayAnalyzer
label_desc: Use image node_id 3 for calling the Waveform obj's underlying member method code with example usage: obj.id() and returns: str