Source code for qiskit_experiments.library.characterization.analysis.fine_amplitude_analysis
# This code is part of Qiskit.## (C) Copyright IBM 2021.## This code is licensed under the Apache License, Version 2.0. You may# obtain a copy of this license in the LICENSE.txt file in the root directory# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.## Any modifications or derivative works of this code must retain this# copyright notice, and modified files need to carry a notice indicating# that they have been altered from the originals."""Fine Amplitude calibration analysis."""importlmfitimportqiskit_experiments.curve_analysisascurve
[docs]classFineAmplitudeAnalysis(curve.ErrorAmplificationAnalysis):r"""An analysis class for fine amplitude calibrations to define the fixed parameters. # section: note The following parameters are fixed. * :math:`{\rm apg}` The angle per gate is set by the user, for example pi for a pi-pulse. * :math:`{\rm phase\_offset}` The phase offset in the cosine oscillation, for example, :math:`\pi/2` if a square-root of X gate is added before the repeated gates. """# pylint: disable=super-init-not-calleddef__init__(self):# pylint: disable=non-parent-init-calledcurve.CurveAnalysis.__init__(self,models=[lmfit.models.ExpressionModel(expr="amp / 2 * (2 * x - 1) + base",name="spam cal.",),lmfit.models.ExpressionModel(expr="amp / 2 * cos((d_theta + angle_per_gate) * x - phase_offset) + base",name="fine amp.",),],)@classmethoddef_default_options(cls):"""Return the default analysis options."""default_options=super()._default_options()default_options.data_subfit_map={"spam cal.":{"series":"spam-cal"},"fine amp.":{"series":1},}returndefault_options