code: def get_range(self):
      vel = 100 + 5 * randn()
      alt = 1000 + 10 * randn()
      self.x += vel * self.dt
  
      v = self.x * 0.05 * randn()
      rng = (self.x**2 + alt**2) ** 0.5 + v
      return rng
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import matplotlib.pyplot
  import numpy.random
  from numpy.random import randn
  from numpy import asarray
  import numpy
  from filterpy.kalman import UnscentedKalmanFilter
  from filterpy.kalman import unscented_transform, MerweScaledSigmaPoints, JulierSigmaPoints, SimplexSigmaPoints
  from filterpy.common import Q_discrete_white_noise
  import filterpy.stats
  from math import cos, sin
  from filterpy.kalman import UnscentedKalmanFilter2
label_desc: Use image node_id 2 for calling the RadarSim obj's underlying member method code with example usage: obj.get_range() and returns: rng