singleshot.py 文件源码

def update_descriptors(self):

        logger.debug("Updating Plotter %s descriptors based on input descriptor %s", self.name, self.sink.descriptor)
        self.stream = self.sink.input_streams[0]
        self.descriptor = self.sink.descriptor
        try:
            self.time_pts = self.descriptor.axes[self.descriptor.axis_num("time")].points
            self.record_length = len(self.time_pts)
        except ValueError:
            raise ValueError("Single shot filter sink does not appear to have a time axis!")
        self.num_segments = len(self.sink.descriptor.axes[self.descriptor.axis_num("segment")].points)
        self.ground_data = np.zeros((self.record_length, self.num_segments//2), dtype=np.complex)
        self.excited_data = np.zeros((self.record_length, self.num_segments//2), dtype=np.complex)

        output_descriptor = DataStreamDescriptor()
        output_descriptor.axes = [_ for _ in self.descriptor.axes if type(_) is SweepAxis]
        output_descriptor._exp_src = self.sink.descriptor._exp_src
        output_descriptor.dtype = np.complex128
        for os in self.fidelity.output_streams:
            os.set_descriptor(output_descriptor)
            os.end_connector.update_descriptors()